Joshua Baker, M.D.
NPI 1396808937 · Rheumatology Physician · Philadelphia, PA
Enrolled with Medicare as Practitioner - Rheumatology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Joshua Baker, M.D. is a Rheumatology Physician provider in Philadelphia, PA (NPI 1396808937).
Provider details
- NPI number
- 1396808937
- Entity type
- Individual
- Primary specialty
- Rheumatology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- MD432476 (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 tenure28% of score
19 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
82 Medicare services, 2024 (ranked within specialty)
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 methodology.
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) |
|---|---|---|
| Visit Complexity Inherent to Evaluation and Management Associated With Medical Care Services That Serve As the Continuing Focal Point for All Needed Health Care Services And/Or With Medical Care Services That Are Part of Ongoing Care Related to a Patient'SG2211 | 36 | $17 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 30 | $99 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 16 | $146 |
Typical Medicare-allowed amounts for these services range $17–$146 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 11 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Methotrexate Sodiumbrand: Methotrexate | 67 | 12 |
| Hydroxychloroquine Sulfate | 50 | 15 |
| Prednisone | 37 | 12 |
| Gabapentin | 28 | — |
| Alendronate Sodium | 24 | — |
| Colchicine | 22 | — |
| Diclofenac Sodium | 20 | — |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-12-18
- Last updated
- 2019-08-21
Frequently asked questions
- What is Joshua Baker's NPI number?
- Joshua Baker's National Provider Identifier (NPI) is 1396808937, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Joshua Baker's specialty?
- Joshua Baker is listed in the NPPES registry with a primary specialty of Rheumatology Physician (Allopathic & Osteopathic Physicians).
- Where is Joshua Baker located?
- Joshua Baker's practice location on file with NPPES is 3400 Spruce Street, Philadelphia, PA 19104.
- What is Joshua Baker's phone number?
- The practice phone number listed in the NPPES registry for Joshua Baker is (215) 662-2454.
- Does Joshua Baker accept Medicare?
- Joshua Baker is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Joshua Baker's NPI active?
- Yes — Joshua Baker's NPI (1396808937) is active in the NPPES registry as of the last update on 2019-08-21.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.