T S Dharmarajan, MD
NPI 1194814962 · Geriatric Medicine (Internal Medicine) Physician · Bronx, NY
Enrolled with Medicare as Practitioner - Geriatric Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
T S Dharmarajan, MD is a Geriatric Medicine (Internal Medicine) Physician provider in Bronx, NY (NPI 1194814962).
Provider details
- NPI number
- 1194814962
- Entity type
- Individual
- Primary specialty
- Geriatric Medicine (Internal Medicine) PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 130211 (NY)
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
19 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
255 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 High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 127 | $205 |
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 56 | $9 |
| Visit Complexity Inherent to Evaluation and Management Associated With Medical Care Services That Serve As the Continuing Focal Point for All Needed Health Care Services And/Or With Medical Care Services That Are Part of Ongoing Care Related to a Patient'SG2211 | 32 | $18 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 28 | $147 |
| Administration of Influenza Virus VaccineG0008 | 12 | $37 |
Typical Medicare-allowed amounts for these services range $9–$205 (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 · 33 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 224 | 71 |
| Amlodipine Besylate | 103 | 30 |
| Losartan Potassium | 80 | 17 |
| Metformin Hcl | 69 | 22 |
| Metoprolol Succinate | 64 | 17 |
| Levothyroxine Sodium | 58 | 15 |
| Hydrochlorothiazide |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$266 across 2 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
- 2006-10-12
- Last updated
- 2016-05-11
Frequently asked questions
- What is T S Dharmarajan's NPI number?
- T S Dharmarajan's National Provider Identifier (NPI) is 1194814962, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is T S Dharmarajan's specialty?
- T S Dharmarajan is listed in the NPPES registry with a primary specialty of Geriatric Medicine (Internal Medicine) Physician (Allopathic & Osteopathic Physicians).
- Where is T S Dharmarajan located?
- T S Dharmarajan's practice location on file with NPPES is 4141 Carpenter Ave, Bronx, NY 10466-2600.
- What is T S Dharmarajan's phone number?
- The practice phone number listed in the NPPES registry for T S Dharmarajan is (718) 920-9041.
- Does T S Dharmarajan accept Medicare?
- T S Dharmarajan is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is T S Dharmarajan's NPI active?
- Yes — T S Dharmarajan's NPI (1194814962) is active in the NPPES registry as of the last update on 2016-05-11.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.