Blessan Thomas, MD
NPI 1336597103 · Family Medicine Physician · Shirley, NY
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Blessan Thomas, MD is a Family Medicine Physician provider in Shirley, NY (NPI 1336597103).
Provider details
- NPI number
- 1336597103
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- MT211715 (PA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Student, Health Care
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
10 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
7,986 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 | 719 | $147 |
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 553 | $9 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 372 | $105 |
| Chronic Care Management Services, First 20 Minutes of Clinical Staff Time Directed By Health Care Professional, Per Calendar Month99490 | 341 | $72 |
| Blood Test, Comprehensive Group of Blood Chemicals80053 | 302 | $10 |
| Complete Blood Cell Count (red Cells, White Blood Cell, Platelets), Automated Test and Automated Differential White Blood Cell Count85025 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 78 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 253 | 99 |
| Amlodipine Besylate | 203 | 80 |
| Losartan Potassium | 196 | 74 |
| Metformin Hcl | 176 | 73 |
| Metoprolol Succinate | 130 | 51 |
| Omeprazole | 103 | 36 |
| Gabapentin |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$262 across 12 records (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
- 2016-06-02
- Last updated
- 2019-10-15
Frequently asked questions
- What is Blessan Thomas's NPI number?
- Blessan Thomas's National Provider Identifier (NPI) is 1336597103, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Blessan Thomas's specialty?
- Blessan Thomas is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Blessan Thomas located?
- Blessan Thomas's practice location on file with NPPES is 800 Montauk Hwy Ste 18, Shirley, NY 11967-2128.
- What is Blessan Thomas's phone number?
- The practice phone number listed in the NPPES registry for Blessan Thomas is (631) 772-4646.
- Does Blessan Thomas accept Medicare?
- Blessan Thomas is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Blessan Thomas's NPI active?
- Yes — Blessan Thomas's NPI (1336597103) is active in the NPPES registry as of the last update on 2019-10-15.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.