Michael Sherman, M.D., PHD
NPI 1164643359 · Hematology & Oncology Physician · Walnut Creek, CA
Enrolled with Medicare as Practitioner - Hematology/Oncology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Michael Sherman, M.D., PHD is a Hematology & Oncology Physician provider in Walnut Creek, CA (NPI 1164643359).
Provider details
- NPI number
- 1164643359
- Entity type
- Individual
- Primary specialty
- Hematology & Oncology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D., PHD
- Sex
- Male
- Sole proprietor
- No
- License
- G83108 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
19 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
9,807 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 1,457 | $158 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 1,335 | $220 |
| Injection of Drug Or Substance Under Skin Or Into Muscle96372 | 972 | $18 |
| Piflufolastat F-18, Diagnostic, 1 MillicurieA9595 | 874 | $632 |
| Injection of Additional New Drug Or Substance Into Vein96375 | 709 | $21 |
| Administration of Chemotherapy Into Vein, 1 Hour Or Less96413 | 575 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 35 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Denosumabbrand: Xgeva | 179 | 28 |
| Darbepoetin Alfa in Polysorbatbrand: Aranesp | 172 | 39 |
| Abiraterone Acetate | 127 | 23 |
| Prednisone | 126 | 26 |
| Enzalutamidebrand: Xtandi | 103 | 17 |
| Acalabrutinib Maleatebrand: Calquence | 51 | — |
| Zanubrutinibbrand: Brukinsa | 49 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$8,865 across 420 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2007-05-02
- Last updated
- 2009-09-23
Frequently asked questions
- What is Michael Sherman's NPI number?
- Michael Sherman's National Provider Identifier (NPI) is 1164643359, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Michael Sherman's specialty?
- Michael Sherman is listed in the NPPES registry with a primary specialty of Hematology & Oncology Physician (Allopathic & Osteopathic Physicians).
- Where is Michael Sherman located?
- Michael Sherman's practice location on file with NPPES is 500 Lennon Ln, Walnut Creek, CA 94598-2415.
- What is Michael Sherman's phone number?
- The practice phone number listed in the NPPES registry for Michael Sherman is (925) 939-9610.
- Does Michael Sherman accept Medicare?
- Michael Sherman is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Michael Sherman's NPI active?
- Yes — Michael Sherman's NPI (1164643359) is active in the NPPES registry as of the last update on 2009-09-23.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.