Colleen Claassen, M.D.
Neonatal-Perinatal Medicine Physician · Saint Louis, MO
Colleen Claassen, M.D. is a neonatal-perinatal medicine physician with a practice address in Saint Louis, Missouri, and NPI 1053558932, issued on Jan 14, 2009. Check the license on the Missouri Board of Registration for the Healing Arts; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- Colleen Claassen
- Credential
- M.D.
- Primary taxonomy
- Neonatal-Perinatal Medicine Physician 2080N0001X
- Practice location
- 1465 S Grand Blvd, Saint Louis, MO 63104
- Phone
- (314) 577-5663
- Enumerated
- Jan 14, 2009
- Entity
- Type 1 · individual
Also registered at 1465 S Grand Blvd
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Nabil Abboud, MDAnesthesiology Physician1386660504
- Elaf AbdelmagidPediatrics Physician1831077627
- Michel Adonis, M.D.Pediatric Emergency Medicine (Emergency Medicine) Physician1497190854
- Attila Ahmad, MDPediatrics Physician1245842699
- Emily Ahmad, CPNP-PCPediatric Nurse Practitioner1871875104
- Muteen Ahmed, M.B.B.S.Student in an Organized Health Care Education/Training Program1437950466
Verify Colleen Claassen in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMissouri Board of Registration for the Healing ArtsCheck the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
Neonatal-Perinatal Medicine Physician providers in Missouri
There are 127 neonatal-perinatal medicine physician records in Missouri. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
Other neonatal-perinatal medicine physician records in Missouri
- Mohamad Al-Hosni, M.D.Chesterfield, MO1053351338
- Laura Al-Sayed, MDCape Girardeau, MO1063562734
- Zaineh Alja'Nini, MDSpringfield, MO1841607389
- Anjali Anders, M.D.Columbia, MO1619288594
- Connie Anderson, MDSaint Louis, MO1073619334
- John Anderson, M.D.Kansas City, MO1629007174
- Joshua Baiel, MDSpringfield, MO1457886392
- Aamir Bashir, MDSpringfield, MO1144530965
- Nancy Bauer, MDSaint Louis, MO1154431336
- Thomas BenderSaint Louis, MO1649278789
Common questions
What is Colleen Claassen, M.D.'s NPI number?
Colleen Claassen, M.D.'s National Provider Identifier (NPI) is 1053558932, issued on Jan 14, 2009. An NPI identifies a provider in billing; it is not a license.
Where is Colleen Claassen, M.D. located?
The NPPES record lists a practice address at 1465 S Grand Blvd, Saint Louis, MO, 63104. Phone: (314) 577-5663. Providers update this record themselves, so call before visiting.
How can I verify Colleen Claassen, M.D.'s license?
Search the Missouri Board of Registration for the Healing Arts at https://www.fsmb.org/contact-a-state-medical-board/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. An NPI identifies who bills; it is not a license.
Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.