John Berk, M.D.
NPI 1407831258 · Pulmonary Disease Physician · Boston, MA
Enrolled with Medicare as Practitioner - Pulmonary Disease · source: CMS PECOS Public Provider Enrollment (2026.04.01)
John Berk, M.D. is a Pulmonary Disease Physician provider in Boston, MA (NPI 1407831258).
Provider details
- NPI number
- 1407831258
- Entity type
- Individual
- Primary specialty
- Pulmonary Disease PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 57598 (MA)
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
20 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
314 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 | 86 | $102 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 59 | $151 |
| Critical Care, First 30-74 Minutes99291 | 40 | $219 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 27 | $69 |
| New Patient Office Or Other Outpatient Visit With a High Level of Medical Decision Making, If Using Time, 60 Minutes Or More99205 | 24 | $190 |
| Test to Examine How Well the Lungs Exchange Gases94729 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 7 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Tafamidisbrand: Vyndamax | 98 | 11 |
| Vutrisiran Sodiumbrand: Amvuttra | 28 | 11 |
| Albuterol Sulfatebrand: Albuterol Sulfate Hfa | 18 | — |
| Fluticasone/Umeclidin/Vilanterbrand: Trelegy Ellipta | 15 | — |
| Prednisone | 14 | 13 |
| Azithromycin | 14 | 13 |
| Fluticasone Propionate |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$375 across 1 record (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
- 2005-12-14
- Last updated
- 2014-08-07
Frequently asked questions
- What is John Berk's NPI number?
- John Berk's National Provider Identifier (NPI) is 1407831258, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John Berk's specialty?
- John Berk is listed in the NPPES registry with a primary specialty of Pulmonary Disease Physician (Allopathic & Osteopathic Physicians).
- Where is John Berk located?
- John Berk's practice location on file with NPPES is 725 Albany St, Boston, MA 02118-2526.
- What is John Berk's phone number?
- The practice phone number listed in the NPPES registry for John Berk is (617) 638-7480.
- Does John Berk accept Medicare?
- John Berk is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is John Berk's NPI active?
- Yes — John Berk's NPI (1407831258) is active in the NPPES registry as of the last update on 2014-08-07.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.