Siva Sankaran, MD
NPI 1306986252 · Internal Medicine Physician · Clio, MI
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Siva Sankaran, MD is a Internal Medicine Physician provider in Clio, MI (NPI 1306986252).
Provider details
- NPI number
- 1306986252
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 4301039199 (MI)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
19 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
779 Medicare services, 2024 (ranked within specialty)
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 methodology.
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 Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 562 | $86 |
| Established Patient Office Or Other Outpatient Visit With Straightforward Medical Decision Making, If Using Time, 10 Minutes Or More99212 | 103 | $53 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 99 | $117 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 15 | $122 |
Typical Medicare-allowed amounts for these services range $53–$122 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote 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 · 118 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Simvastatin | 547 | 137 |
| Levothyroxine Sodium | 535 | 142 |
| Atorvastatin Calcium | 350 | 94 |
| Metoprolol Succinate | 312 | 83 |
| Amlodipine Besylate | 302 | 77 |
| Metformin Hcl | 288 | 83 |
| Losartan Potassium |
Practice location
Mailing address
Registry dates
- Enumerated
- 2007-02-08
- Last updated
- 2013-09-19
Frequently asked questions
- What is Siva Sankaran's NPI number?
- Siva Sankaran's National Provider Identifier (NPI) is 1306986252, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Siva Sankaran's specialty?
- Siva Sankaran is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Siva Sankaran located?
- Siva Sankaran's practice location on file with NPPES is 3296 W Vienna Rd, Clio, MI 48420-1300.
- What is Siva Sankaran's phone number?
- The practice phone number listed in the NPPES registry for Siva Sankaran is (810) 686-4030.
- Does Siva Sankaran accept Medicare?
- Siva Sankaran is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Siva Sankaran's NPI active?
- Yes — Siva Sankaran's NPI (1306986252) is active in the NPPES registry as of the last update on 2013-09-19.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.