Jonathan Coblyn, MD
NPI 1447200969 · Rheumatology Physician · Boston, MA
Enrolled with Medicare as Practitioner - Rheumatology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Jonathan Coblyn, MD is a Rheumatology Physician provider in Boston, MA (NPI 1447200969).
Provider details
- NPI number
- 1447200969
- Entity type
- Individual
- Primary specialty
- Rheumatology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 41304 (MA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
20 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
450 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) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 253 | $101 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 137 | $69 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 24 | $139 |
| Aspiration And/Or Injection of Fluid From Large Joint20610 | 23 | $50 |
| New Patient Office Or Other Outpatient Visit With Low Level of Medical Decision Making, If Using Time, 30 Minutes Or More99203 | 13 | $85 |
Typical Medicare-allowed amounts for these services range $50–$139 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, 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 · 44 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Prednisone | 229 | 75 |
| Methotrexate Sodiumbrand: Methotrexate | 179 | 53 |
| Etanerceptbrand: Enbrel Sureclick | 136 | 18 |
| Leucovorin Calcium | 62 | 18 |
| Oxycodone Hcl | 57 | — |
| Apremilastbrand: Otezla | 48 | — |
| Atorvastatin Calcium |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-05-12
- Last updated
- 2020-12-07
- Certified
- 2020-12-07
Frequently asked questions
- What is Jonathan Coblyn's NPI number?
- Jonathan Coblyn's National Provider Identifier (NPI) is 1447200969, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Jonathan Coblyn's specialty?
- Jonathan Coblyn is listed in the NPPES registry with a primary specialty of Rheumatology Physician (Allopathic & Osteopathic Physicians).
- Where is Jonathan Coblyn located?
- Jonathan Coblyn's practice location on file with NPPES is 75 Francis Street Pbb B3, Boston, MA 02115.
- What is Jonathan Coblyn's phone number?
- The practice phone number listed in the NPPES registry for Jonathan Coblyn is (617) 732-5347.
- Does Jonathan Coblyn accept Medicare?
- Jonathan Coblyn is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Jonathan Coblyn's NPI active?
- Yes — Jonathan Coblyn's NPI (1447200969) is active in the NPPES registry as of the last update on 2020-12-07.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.