Michael Feldstein, M.D.
NPI 1568799989 · Orthopaedic Surgery Physician · San Francisco, CA
Enrolled with Medicare as Practitioner - Orthopedic Surgery · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Michael Feldstein, M.D. is a Orthopaedic Surgery Physician provider in San Francisco, CA (NPI 1568799989).
Provider details
- NPI number
- 1568799989
- Entity type
- Individual
- Primary specialty
- Orthopaedic Surgery PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- A114702 (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
16 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
814 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 | 212 | $160 |
| Aspiration And/Or Injection of Fluid Large Joint Using Ultrasound Guidance20611 | 131 | $137 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 107 | $206 |
| X-Ray of Knee, 4 Or More Views73564 | 91 | $65 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 48 | $220 |
| X-Ray of Hip, 2-3 Views73502 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$55 across 2 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
- 2009-11-05
- Last updated
- 2021-10-01
- Certified
- 2021-09-16
Frequently asked questions
- What is Michael Feldstein's NPI number?
- Michael Feldstein's National Provider Identifier (NPI) is 1568799989, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Michael Feldstein's specialty?
- Michael Feldstein is listed in the NPPES registry with a primary specialty of Orthopaedic Surgery Physician (Allopathic & Osteopathic Physicians).
- Where is Michael Feldstein located?
- Michael Feldstein's practice location on file with NPPES is 1 Schrader St, San Francisco, CA 94117-1036.
- What is Michael Feldstein's phone number?
- The practice phone number listed in the NPPES registry for Michael Feldstein is (415) 221-0665.
- Does Michael Feldstein accept Medicare?
- Michael Feldstein is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Michael Feldstein's NPI active?
- Yes — Michael Feldstein's NPI (1568799989) is active in the NPPES registry as of the last update on 2021-10-01.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.