Mark Ellenbogen, M.D.
NPI 1902831001 · Pulmonary Disease Physician · Chestnut Hill, MA
Enrolled with Medicare as Practitioner - Pulmonary Disease · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mark Ellenbogen, M.D. is a Pulmonary Disease Physician provider in Chestnut Hill, MA (NPI 1902831001).
Provider details
- NPI number
- 1902831001
- Entity type
- Individual
- Primary specialty
- Pulmonary Disease PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 36631 (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
19 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
3 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
605 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 Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 273 | $70 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 263 | $102 |
| Telephone Medical Discussion With Physician, 21-30 Minutes99443 | 45 | $122 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 24 | $150 |
Typical Medicare-allowed amounts for these services range $70–$150 (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 · 59 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 252 | 73 |
| Rosuvastatin Calcium | 130 | 45 |
| Amlodipine Besylate | 120 | 30 |
| Levothyroxine Sodium | 107 | 31 |
| Lisinopril | 104 | 32 |
| Losartan Potassium | 102 | 27 |
| Omeprazole |
Practice location
Mailing address
Additional practice locations (2)
- 1101 Beacon StBrookline, MA 02446-5587Phone: (617) 731-6333
- 1101 Beacon StBrookline, MA 02446-5587Phone: (617) 731-6333
Registry dates
- Enumerated
- 2006-07-11
- Last updated
- 2019-01-10
Frequently asked questions
- What is Mark Ellenbogen's NPI number?
- Mark Ellenbogen's National Provider Identifier (NPI) is 1902831001, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mark Ellenbogen's specialty?
- Mark Ellenbogen is listed in the NPPES registry with a primary specialty of Pulmonary Disease Physician (Allopathic & Osteopathic Physicians).
- Where is Mark Ellenbogen located?
- Mark Ellenbogen's practice location on file with NPPES is 850 Boylston St, Chestnut Hill, MA 02467.
- What is Mark Ellenbogen's phone number?
- The practice phone number listed in the NPPES registry for Mark Ellenbogen is (617) 732-9900.
- Does Mark Ellenbogen accept Medicare?
- Mark Ellenbogen is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mark Ellenbogen's NPI active?
- Yes — Mark Ellenbogen's NPI (1902831001) is active in the NPPES registry as of the last update on 2019-01-10.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.