Sathya Subbiah, M.D.
NPI 1033128764 · Endocrinology, Diabetes & Metabolism Physician · Mattoon, IL
Enrolled with Medicare as Practitioner - Endocrinology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Sathya Subbiah, M.D. is a Endocrinology, Diabetes & Metabolism Physician provider in Mattoon, IL (NPI 1033128764).
Provider details
- NPI number
- 1033128764
- Entity type
- Individual
- Primary specialty
- Endocrinology, Diabetes & Metabolism PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- No
- License
- 036-104472 (IL)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
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
3 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
556 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 | 172 | $96 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 85 | $68 |
| Continuous Monitoring of Blood Sugar Level in Tissue Fluid Using Sensor Under Skin With Interpretation and Report95251 | 79 | $34 |
| 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 | 63 | $16 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 55 | $141 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 41 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Levothyroxine Sodium | 334 | 57 |
| Metformin Hcl | 150 | 34 |
| Insulin Glargine,hum.rec.anlogbrand: Lantus Solostar | 114 | 32 |
| Methimazole | 91 | 18 |
| Semaglutidebrand: Ozempic | 83 | 18 |
| Insulin Glargine,hum.rec.anlogbrand: Basaglar Kwikpen U-100 | 76 | 21 |
| Hydrocortisone |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$514 across 14 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 (2)
- 1801 Windsor RdChampaign, IL 61822-6217Phone: (217) 366-5434
- 1100 Tuscola BlvdTuscola, IL 61953-2065Phone: (217) 234-7000Fax: (217) 234-2060
Registry dates
- Enumerated
- 2006-08-05
- Last updated
- 2024-01-22
- Certified
- 2024-01-22
Frequently asked questions
- What is Sathya Subbiah's NPI number?
- Sathya Subbiah's National Provider Identifier (NPI) is 1033128764, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Sathya Subbiah's specialty?
- Sathya Subbiah is listed in the NPPES registry with a primary specialty of Endocrinology, Diabetes & Metabolism Physician (Allopathic & Osteopathic Physicians).
- Where is Sathya Subbiah located?
- Sathya Subbiah's practice location on file with NPPES is 200 Richmond Ave E Ste 3, Mattoon, IL 61938-4652.
- What is Sathya Subbiah's phone number?
- The practice phone number listed in the NPPES registry for Sathya Subbiah is (217) 234-7000.
- Does Sathya Subbiah accept Medicare?
- Sathya Subbiah is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Sathya Subbiah's NPI active?
- Yes — Sathya Subbiah's NPI (1033128764) is active in the NPPES registry as of the last update on 2024-01-22.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.