Type 2 · Organization ✓ Active NPI ✓ Valid NPI checksum

Internal Medicine Associates, P.C.

Internal Medicine Physician in Greenwood Village, CO · enumerated 2008 · authorized official Sergiu Surdulescu, President.

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

National Provider Identifier

1770736035

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Registry record

Entity type Organization (Type 2)

Legal business name Internal Medicine Associates, P.C.

Practice address 4950 S Yosemite St, Suite F2 - 304, Greenwood Village, CO, 80111

Phone (303) 999-6382

Enumeration date Oct 30, 2008

Last updated in NPPES Dec 31, 2008

Taxonomy & classification

207R00000X Internal Medicine Physician Allopathic & Osteopathic Physicians · License 45091 (CO) Primary

Authorized official

Name Sergiu Surdulescu

Title President

Phone (303) 999-6382

Other identifiers

Identifier	Type	State	Issuer
45091	Other	CO	LICENSE

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.

Read the full guide → Validate an NPI →

Frequently asked questions

How current is this record?

Data comes from the CMS NPPES public dissemination file; this record was last updated in NPPES on 2008-12-31. Verify at npiregistry.cms.hhs.gov.

Where is Internal Medicine Associates, P.C. located?

The practice location on file with NPPES is in Greenwood Village, CO.

Providers at this address

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Eric Yaeger Pulmonary Disease Physician · Greenwood Village, CO NPI 1477515336 Deja Simmons Surgical Physician Assistant · Greenwood Village, CO NPI 1275751315

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2008-12-31.