Shameek Gayen, MD
NPI 1750819348 · Internal Medicine Physician · Boston, MA
Enrolled with Medicare as Practitioner - Pulmonary Disease · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Shameek Gayen, MD is a Internal Medicine Physician provider in Boston, MA (NPI 1750819348).
Provider details
- NPI number
- 1750819348
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 271454 (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
9 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
702 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) |
|---|---|---|
| Critical Care, First 30-74 Minutes99291 | 131 | $214 |
| Test to Examine How Well the Lungs Exchange Gases94729 | 95 | $9 |
| Test to Measure Expiratory Airflow and Volume Changes Before and After Medication Administration94060 | 84 | $10 |
| Test to Determine Lung Volumes Using Sensors94726 | 80 | $12 |
| Test for Exercise-Induced Lung Stress94618 | 74 | $22 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 68 | $98 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 12 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Albuterol Sulfatebrand: Albuterol Sulfate Hfa | 55 | 17 |
| Fluticasone/Umeclidin/Vilanterbrand: Trelegy Ellipta | 49 | 14 |
| Umeclidinium Brm/Vilanterol Trbrand: Anoro Ellipta | 48 | 13 |
| Prednisone | 29 | 13 |
| Umeclidinium Bromidebrand: Incruse Ellipta | 25 | — |
| Tiotropium Bromidebrand: Spiriva Respimat | 24 | — |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$26 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
- 2017-05-26
- Last updated
- 2017-05-26
Frequently asked questions
- What is Shameek Gayen's NPI number?
- Shameek Gayen's National Provider Identifier (NPI) is 1750819348, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Shameek Gayen's specialty?
- Shameek Gayen is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Shameek Gayen located?
- Shameek Gayen's practice location on file with NPPES is 800 Washington St, Boston, MA 02111-1552.
- What is Shameek Gayen's phone number?
- The practice phone number listed in the NPPES registry for Shameek Gayen is (617) 636-5000.
- Does Shameek Gayen accept Medicare?
- Shameek Gayen is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Shameek Gayen's NPI active?
- Yes — Shameek Gayen's NPI (1750819348) is active in the NPPES registry as of the last update on 2017-05-26.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.