NPPES file of Aug 9, 2026

Siva Sankaran, MD

Internal Medicine Physician · Clio, MI

Siva Sankaran, MD is an internal medicine physician with a practice address in Clio, Michigan, and NPI 1306986252, issued on Feb 8, 2007. Check the license (Michigan 4301039199, as entered in NPPES) on the Michigan Board of Medicine (LARA); the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1306986252
Name
Siva Sankaran
Credential
MD
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
4301039199 MI
Self-reported in NPPES; status is on the state search
Practice location
3296 W Vienna RD, Clio, MI 48420
Phone
(810) 686-4030
Enumerated
Feb 8, 2007
Record last updated
Sep 19, 2013 (not updated in 13 years: call before relying on the address or phone)
Medicaid ID
2106116 MI
Medicare enrollment
Enrolled (PECOS I20081029000503); accepts Medicare assignment
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Verify Siva Sankaran in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMichigan Board of Medicine (LARA)
    Search for license 4301039199
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Michigan license search

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2.6 times the Medicare Part D claims of the average internal medicine physician in 2024

8,315 Medicare Part D claims for 540 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 10% of claims. 117 claims were for opioids.

  1. Siva Sankaran8,315
  2. Specialty average3,176

Most prescribed

  1. Simvastatin547 claims
  2. Levothyroxine Sodium535 claims
  3. Atorvastatin Calcium350 claims
  4. Metoprolol Succinate312 claims
  5. Amlodipine Besylate302 claims
  6. Metformin Hcl288 claims

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

Bills Medicare through one group practice

  1. Rau Physical Therapy IncFrankenmuth, MI

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Siva Sankaran among 5,735 internal medicine physician records in Michigan

Siva Sankaran, MD is one of 5,735 internal medicine physician records with a practice address in Michigan. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 40% of them.

  • NPI issued2007 · 40% of these records are older, 52% newer
  • In a Medicare fileYes · 79% of these records are
  • In the CMS Doctors and Clinicians fileYes · 62% of these records are
  • Graduated1971 · median 2006 among the 3,564 with a school on file
  • Record last updated2013 · 54% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Michigan practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Internal Medicine Physician providers in Michigan

There are 5,735 internal medicine physician records in Michigan.

The 8 internal medicine physician records with the nearest ZIP codes

  1. Gary Salem, D.O.Clio, MI 484201205839909
  2. Matthew Gormley, M.D.Croswell, MI 484221235324385
  3. Kadi Coe, PA-CDavison, MI 484231023510674
  4. Manoharan Eustace, MDDavison, MI 484231487614723
  5. Maria Goleba, MDDavison, MI 484231306834429
  6. Suresh Gupta, MDDavison, MI 484231376645002
  7. Bill Hukill, DODavison, MI 484231689776320
  8. Asif Ishaque, MDDavison, MI 484231447220371

Common questions

What is Siva Sankaran, MD's NPI number?

Siva Sankaran, MD's National Provider Identifier (NPI) is 1306986252, issued on Feb 8, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Siva Sankaran, MD located?

The NPPES record lists a practice address at 3296 W Vienna RD, Clio, MI, 48420. Phone: (810) 686-4030. Providers update this record themselves, so call before visiting.

How can I verify Siva Sankaran, MD's license?

NPPES lists Michigan license number 4301039199, as entered by the provider. Search the Michigan Board of Medicine (LARA) at https://aca-prod.accela.com/MILARA/GeneralProperty/PropertyLookUp.aspx?isLicensee=Y&TabName=APO. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Siva Sankaran, MD prescribe under Medicare Part D?

In 2024, Siva Sankaran, MD had 8,315 Medicare Part D claims for 540 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.