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Compare the published Medicare service mix of Paul Grin with clinicians in the same registry specialty: Maxillofacial Surgery · Oral Surgery (CMS).

CA · Exact areaEdit location

2024 published service data · 37 eligible profiles compared. Similarity describes billing patterns, not quality, outcomes, or suitability for your care.

Ahmed Zaidi, DMD

Specialty details in registry · Fresno, CA

Shared published services
1 shared services · view billing descriptions
  • Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)
81%Service-mix similarityView profile →

Raymond E. Carpenter, D.D.S.

Dentist (CMS) · San Diego, CA

Shared published services
2 shared services · view billing descriptions
  • Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)
  • New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more (99204)
60%Service-mix similarityView profile →

Quoc Lap Nguyen, DDS

Maxillofacial Surgery (CMS) · Laguna Hills, CA

Shared published services
1 shared services · view billing descriptions
  • New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more (99204)
58%Service-mix similarityView profile →

Brian T. Bast, DMD, MD

Maxillofacial Surgery · Oral Surgery (CMS) · San Francisco, CA

Shared published services
1 shared services · view billing descriptions
  • New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more (99204)
58%Service-mix similarityView profile →

Tara Powers Mathia, MD, DMD

Oral Surgery (CMS) · San Francisco, CA

Shared published services
1 shared services · view billing descriptions
  • New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more (99204)
58%Service-mix similarityView profile →

Wayne Hideo Ozaki, MD, DDS

Maxillofacial Surgery · Oral Surgery · Plastic And Reconstructive Surgery (CMS) · Los Angeles, CA

Shared published services
1 shared services · view billing descriptions
  • Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)
53%Service-mix similarityView profile →

Leon Robert Peck, DDS, PH.D.

Maxillofacial Surgery · Oral Surgery (CMS) · Beverly Hills, CA

Shared published services
2 shared services · view billing descriptions
  • Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)
  • New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more (99204)
50%Service-mix similarityView profile →

Andrew Weeks, MD, DDS

Maxillofacial Surgery · Oral Surgery (CMS) · San Francisco, CA

Shared published services
1 shared services · view billing descriptions
  • New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more (99204)
46%Service-mix similarityView profile →

Zhiwei Zhao, DDS

Specialty details in registry · Pomona, CA

Shared published services
1 shared services · view billing descriptions
  • Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)
45%Service-mix similarityView profile →

Amanda Rae Kronquist, D.D.S.

Specialty details in registry · Santa Ana, CA

Shared published services
1 shared services · view billing descriptions
  • Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)
38%Service-mix similarityView profile →

Alan Newman, D.D.S.

Dentist · Orofacial Pain (CMS) · Los Angeles, CA

Shared published services
1 shared services · view billing descriptions
  • Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)
37%Service-mix similarityView profile →

Shariar Shaun Daneshgar

Maxillofacial Surgery · Oral Surgery (CMS) · Los Angeles, CA

Shared published services
1 shared services · view billing descriptions
  • New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more (99204)
30%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.