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Compare the published Medicare service mix of Phong Ky Nguyen, M.D with clinicians in the same registry specialty: Internal Medicine (CMS).

CA · Exact areaEdit location

2024 published service data · 409 eligible profiles compared. Similarity describes billing patterns, not quality, outcomes, or suitability for your care.

Joomo Yang, M.D.

Internal Medicine (CMS) · Calabasas, CA

Shared published services
3 shared services · view billing descriptions
  • Residence visit for established patient with straightforward medical decision making, per day, if using time, at least 15 minutes (99347)
  • Residence visit for new patient with moderate level of medical decision making, per day, if using time, at least 60 minutes (99344)
  • Residence visit for established patient with low level of medical decision making, per day, if using time, at least 30 minutes (99348)
68%Service-mix similarityView profile →

Victor Santos Flauta, M.D.

General Practice (CMS) · Fresno, CA

Shared published services
3 shared services · view billing descriptions
  • Residence visit for new patient with moderate level of medical decision making, per day, if using time, at least 60 minutes (99344)
  • Physician or allowed practitioner certification for medicare-covered home health services under a home health plan of care (patient not present), including contacts with home health agency and review of reports of patient status required by physicians and (G0180)
  • Residence visit for established patient with moderate level of medical decision making, per day, if using time, at least 40 minutes (99349)
43%Service-mix similarityView profile →

Luis Obispo Garcia-Nique, M.D.

Specialty details in registry · Garden Grove, CA

Shared published services
2 shared services · view billing descriptions
  • Residence visit for new patient with moderate level of medical decision making, per day, if using time, at least 60 minutes (99344)
  • Residence visit for established patient with moderate level of medical decision making, per day, if using time, at least 40 minutes (99349)
38%Service-mix similarityView profile →

Maria Lourdes Castanos De Leon, M.D.

Family Practice · General Practice · Geriatric Medicine · Internal Medicine · Pediatric Medicine (CMS) · South Gate, CA

Shared published services
3 shared services · view billing descriptions
  • Residence visit for new patient with moderate level of medical decision making, per day, if using time, at least 60 minutes (99344)
  • Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)
  • Physician or allowed practitioner certification for medicare-covered home health services under a home health plan of care (patient not present), including contacts with home health agency and review of reports of patient status required by physicians and (G0180)
36%Service-mix similarityView profile →

Kashif Naim Abdullah, M.D. , M.P.H

General Practice (CMS) · San Jose, CA

Shared published services
3 shared services · view billing descriptions
  • Management using the results of remote vital sign monitoring per calendar month, first 20 minutes (99457)
  • Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)
  • Management using the results of remote vital sign monitoring per calendar month, each additional 20 minutes (99458)
36%Service-mix similarityView profile →

James Peter Howard, M.D.

Emergency Medicine · General Practice (CMS) · Encinitas, CA

Shared published services
3 shared services · view billing descriptions
  • Residence visit for established patient with low level of medical decision making, per day, if using time, at least 30 minutes (99348)
  • Management using the results of remote vital sign monitoring per calendar month, first 20 minutes (99457)
  • Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)
35%Service-mix similarityView profile →

David Ghods, DO

General Practice · Osteopathic Manipulative Medicine (CMS) · Los Angeles, CA

Shared published services
3 shared services · view billing descriptions
  • Residence visit for new patient with moderate level of medical decision making, per day, if using time, at least 60 minutes (99344)
  • Management using the results of remote vital sign monitoring per calendar month, first 20 minutes (99457)
  • Management using the results of remote vital sign monitoring per calendar month, each additional 20 minutes (99458)
34%Service-mix similarityView profile →

Valerie Grant, MD

Specialty details in registry · San Pedro, CA

Shared published services
3 shared services · view billing descriptions
  • Residence visit for established patient with low level of medical decision making, per day, if using time, at least 30 minutes (99348)
  • Management using the results of remote vital sign monitoring per calendar month, first 20 minutes (99457)
  • Management using the results of remote vital sign monitoring per calendar month, each additional 20 minutes (99458)
33%Service-mix similarityView profile →

Mignon Walker, MD

Specialty details in registry · Hermosa Beach, CA

Shared published services
3 shared services · view billing descriptions
  • Physician or allowed practitioner certification for medicare-covered home health services under a home health plan of care (patient not present), including contacts with home health agency and review of reports of patient status required by physicians and (G0180)
  • Residence visit for established patient with moderate level of medical decision making, per day, if using time, at least 40 minutes (99349)
  • Physician or allowed practitioner re-certification for medicare-covered home health services under a home health plan of care (patient not present), including contacts with home health agency and review of reports of patient status required by physicians a (G0179)
32%Service-mix similarityView profile →

Ali Hadadz, MD

General Practice (CMS) · Marina Del Rey, CA

Shared published services
3 shared services · view billing descriptions
  • Residence visit for established patient with low level of medical decision making, per day, if using time, at least 30 minutes (99348)
  • Physician or allowed practitioner certification for medicare-covered home health services under a home health plan of care (patient not present), including contacts with home health agency and review of reports of patient status required by physicians and (G0180)
  • Residence visit for established patient with moderate level of medical decision making, per day, if using time, at least 40 minutes (99349)
32%Service-mix similarityView profile →

Katherine Allison Norris, M.D.

General Practice (CMS) · San Diego, CA

Shared published services
3 shared services · view billing descriptions
  • Residence visit for new patient with moderate level of medical decision making, per day, if using time, at least 60 minutes (99344)
  • Residence visit for established patient with low level of medical decision making, per day, if using time, at least 30 minutes (99348)
  • Residence visit for established patient with moderate level of medical decision making, per day, if using time, at least 40 minutes (99349)
31%Service-mix similarityView profile →

Tuan Anh Tran, D.O., D.C.

General Practice · Osteopathic Manipulative Medicine (CMS) · Milpitas, CA

Shared published services
3 shared services · view billing descriptions
  • Management using the results of remote vital sign monitoring per calendar month, first 20 minutes (99457)
  • Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)
  • Management using the results of remote vital sign monitoring per calendar month, each additional 20 minutes (99458)
31%Service-mix similarityView profile →
How this comparison works

We use the same calendar year of CMS Medicare Physician & Other Practitioners data for both providers. Published non-drug service counts are combined by HCPCS code across places of service. We apply log(1 + count), normalize the vectors, and compare them using cosine similarity.

Candidates share the reference provider’s current NPPES primary taxonomy and match the location you enter. We examine up to 500 candidates in NPI order, then show up to 12 with the highest positive similarity within that set. The score is not a percentile, medical recommendation, or prediction. Suppressed services are not estimated. Medicare fee-for-service data does not describe a provider’s entire practice.

Source: CMS Medicare Physician & Other Practitioners - by Provider and Service : 2024-12-01 · Published May 21, 2026.