Thyagarajan Subramanian, MD
NPI 1003864091 · Neurology Physician · Hershey, PA
Enrolled with Medicare as Practitioner - Neurology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Thyagarajan Subramanian, MD is a Neurology Physician provider in Hershey, PA (NPI 1003864091).
Provider details
- NPI number
- 1003864091
- Entity type
- Individual
- Primary specialty
- Neurology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- MD051253L (PA)
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
2 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
149 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) |
|---|---|---|
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 47 | $117 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 44 | $125 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 18 | $176 |
| New Patient Office Or Other Outpatient Visit With a High Level of Medical Decision Making, If Using Time, 60 Minutes Or More99205 | 16 | $214 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 13 | $89 |
| Initial Hospital Care With Moderate Level of Medical Decision Making, If Using Time, at Least 75 Minutes |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 10 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Carbidopa/Levodopabrand: Carbidopa-Levodopa | 213 | 60 |
| Pimavanserin Tartratebrand: Nuplazid | 36 | — |
| Primidone | 31 | — |
| Entacapone | 25 | — |
| Amantadine Hclbrand: Gocovri | 22 | — |
| Rivastigmine | 17 | — |
| Rasagiline Mesylate | 13 | — |
| Ropinirole Hcl |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$1,799 across 8 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
Additional practice locations (1)
- 500 University DrMc A410Hershey, PA 17033-2360Phone: (800) 243-1455
Registry dates
- Enumerated
- 2006-05-04
- Last updated
- 2019-11-22
Frequently asked questions
- What is Thyagarajan Subramanian's NPI number?
- Thyagarajan Subramanian's National Provider Identifier (NPI) is 1003864091, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Thyagarajan Subramanian's specialty?
- Thyagarajan Subramanian is listed in the NPPES registry with a primary specialty of Neurology Physician (Allopathic & Osteopathic Physicians).
- Where is Thyagarajan Subramanian located?
- Thyagarajan Subramanian's practice location on file with NPPES is 30 Hope Dr Ste 1300, Hershey, PA 17033-2036.
- What is Thyagarajan Subramanian's phone number?
- The practice phone number listed in the NPPES registry for Thyagarajan Subramanian is (717) 531-3828.
- Does Thyagarajan Subramanian accept Medicare?
- Thyagarajan Subramanian is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Thyagarajan Subramanian's NPI active?
- Yes — Thyagarajan Subramanian's NPI (1003864091) is active in the NPPES registry as of the last update on 2019-11-22.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.