Michael Duncan, MD
NPI 1588993596 · Sports Medicine (Family Medicine) Physician · Philadelphia, PA
Enrolled with Medicare as Practitioner - Sports Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Michael Duncan, MD is a Sports Medicine (Family Medicine) Physician provider in Philadelphia, PA (NPI 1588993596).
Provider details
- NPI number
- 1588993596
- Entity type
- Individual
- Primary specialty
- Sports Medicine (Family Medicine) PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- MT190706 (PA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
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
861 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) |
|---|---|---|
| Aspiration And/Or Injection of Fluid From Large Joint20610 | 318 | $77 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 125 | $94 |
| Aspiration And/Or Injection of Fluid Large Joint Using Ultrasound Guidance20611 | 124 | $104 |
| New Patient Office Or Other Outpatient Visit With Low Level of Medical Decision Making, If Using Time, 30 Minutes Or More99203 | 99 | $116 |
| X-Ray of Knee, 4 Or More Views73564 | 84 | $49 |
| X-Ray of Hip, 1 View73501 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$194 across 4 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
- 2009-12-22
- Last updated
- 2015-11-10
Frequently asked questions
- What is Michael Duncan's NPI number?
- Michael Duncan's National Provider Identifier (NPI) is 1588993596, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Michael Duncan's specialty?
- Michael Duncan is listed in the NPPES registry with a primary specialty of Sports Medicine (Family Medicine) Physician (Allopathic & Osteopathic Physicians).
- Where is Michael Duncan located?
- Michael Duncan's practice location on file with NPPES is 925 Chestnut St, Philadelphia, PA 19107-4216.
- What is Michael Duncan's phone number?
- The practice phone number listed in the NPPES registry for Michael Duncan is (267) 339-3500.
- Does Michael Duncan accept Medicare?
- Michael Duncan is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Michael Duncan's NPI active?
- Yes — Michael Duncan's NPI (1588993596) is active in the NPPES registry as of the last update on 2015-11-10.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.