Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Michael Ryskin, M.D.

Obstetrics & Gynecology Physician in Bloomington, IN · enumerated 2006 · practices at Southern Indiana Physicians for Women.

Data current as of Jul 13, 2026 · sourced from CMS NPPES

National Provider Identifier

1326007774

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Registry record

Entity type Individual (Type 1)

Name Michael Ryskin

Credential M.D.

Sex Male

Practice address 1010 W 2nd St, Bloomington, IN, 47403

Phone (812) 334-3955

Fax (812) 334-5792

Enumeration date Mar 22, 2006

Last updated in NPPES Dec 23, 2020

Taxonomy & licenses

207V00000X Obstetrics & Gynecology Physician Allopathic & Osteopathic Physicians · License 34.0138679 (OH) Primary

207V00000X Obstetrics & Gynecology Physician Allopathic & Osteopathic Physicians · License 43490 (CO) Secondary

207V00000X Obstetrics & Gynecology Physician Allopathic & Osteopathic Physicians · License 01070038A (IN) Secondary

MD · Doctor of Medicine: A physician who completed medical school (allopathic medicine), residency training, and state licensure. About the MD credential

Other identifiers

Identifier	Type	State	Issuer
201033060	Medicaid	IN	-

What is an NPI number?

A National Provider Identifier (NPI) is a unique 10-digit number that CMS assigns to every U.S. healthcare provider and organization under HIPAA. Type 1 NPIs identify individual providers; Type 2 NPIs identify organizations. The NPI appears on insurance claims, prescriptions, and credentialing paperwork, and never changes, even if the provider moves or changes specialty.

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Frequently asked questions

What is the NPI number for Michael Ryskin?

The National Provider Identifier (NPI) for Michael Ryskin is 1326007774, a Type 1 (individual) record in the CMS NPPES registry.

Where does Michael Ryskin practice?

The practice location on file with NPPES is in Bloomington, IN. Providers can have multiple locations; NPPES lists the primary practice address.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2020-12-23.