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Compare the published Medicare service mix of Christina Lam, FNP-BC with clinicians in the same registry specialty: Nurse Practitioner (CMS).

SAN DIEGO, CA · Exact areaEdit location

2024 published service data · 41 eligible profiles compared. Similarity describes billing patterns, not quality, outcomes, or suitability for your care.

Travis Chase, NP

Nurse Practitioner (CMS) · San Diego, CA

Shared published services
3 shared services · view billing descriptions
  • Psychotherapy with evaluation and management visit, 30 minutes (90833)
  • Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)
  • Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)
72%Service-mix similarityView profile →

Corinne Margaret Powell, MSN,RN,PMHNP-BC

Nurse Practitioner (CMS) · San Diego, CA

Shared published services
2 shared services · view billing descriptions
  • Psychotherapy with evaluation and management visit, 30 minutes (90833)
  • Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)
63%Service-mix similarityView profile →

Tara Jennifer Knight

Nurse Practitioner (CMS) · San Diego, CA

Shared published services
2 shared services · view billing descriptions
  • Psychotherapy with evaluation and management visit, 30 minutes (90833)
  • Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)
63%Service-mix similarityView profile →

Annabelle C. Touponce

Nurse Practitioner (CMS) · San Diego, CA

Shared published services
2 shared services · view billing descriptions
  • Psychotherapy with evaluation and management visit, 30 minutes (90833)
  • Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)
62%Service-mix similarityView profile →

Kelvin Ka-Fai Poon

Nurse Practitioner (CMS) · San Diego, CA

Shared published services
2 shared services · view billing descriptions
  • Psychotherapy with evaluation and management visit, 30 minutes (90833)
  • Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)
58%Service-mix similarityView profile →

Nuri Ohn Alberga, PMHNP

Nurse Practitioner (CMS) · San Diego, CA

Shared published services
2 shared services · view billing descriptions
  • Psychotherapy with evaluation and management visit, 30 minutes (90833)
  • Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)
49%Service-mix similarityView profile →

Chandra Faith Rogers, PMHNP

Nurse Practitioner (CMS) · San Diego, CA

Shared published services
1 shared services · view billing descriptions
  • Psychotherapy with evaluation and management visit, 30 minutes (90833)
48%Service-mix similarityView profile →

Penny D Greaves, PMHNP-BC, FNP

Nurse Practitioner (CMS) · San Diego, CA

Shared published services
3 shared services · view billing descriptions
  • Psychotherapy with evaluation and management visit, 30 minutes (90833)
  • Residence visit for established patient with moderate level of medical decision making, per day, if using time, at least 40 minutes (99349)
  • Residence visit for new patient with moderate level of medical decision making, per day, if using time, at least 60 minutes (99344)
46%Service-mix similarityView profile →

Melissa Peet

Nurse Practitioner (CMS) · San Diego, CA

Shared published services
1 shared services · view billing descriptions
  • Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)
42%Service-mix similarityView profile →

Klaudia Monika Mayer, PMHNP-BC

Nurse Practitioner (CMS) · San Diego, CA

Shared published services
1 shared services · view billing descriptions
  • Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)
42%Service-mix similarityView profile →

Natalie Ann Spang, NP

Specialty details in registry · San Diego, CA

Shared published services
1 shared services · view billing descriptions
  • Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)
42%Service-mix similarityView profile →

Twanna D Davis-Arnold, PMHNP

Nurse Practitioner (CMS) · San Diego, CA

Shared published services
1 shared services · view billing descriptions
  • Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)
42%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.