NPPES file of Aug 9, 2026

Peter A. Fahnestock, MD

Psychiatry Physician · Saint Louis, MO

Peter A. Fahnestock, MD is a psychiatry physician with a practice address in Saint Louis, Missouri, and NPI 1174549497, issued on Jul 14, 2006. Check the license (Missouri 2005018590, as entered in NPPES) on the Missouri Board of Registration for the Healing Arts; the federal record below is the public data PlainDoctor holds for this provider.

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

NPPES recordNPPES file of Aug 9, 2026
1174549497
Name
Peter A. Fahnestock
Credential
MD
Primary taxonomy
Psychiatry Physician 2084P0800X
License number
2005018590 MO
Self-reported in NPPES; status is on the state search
Practice location
915 N Grand Blvd, Saint Louis, MO 63106
Phone
(314) 652-4100
Enumerated
Jul 14, 2006
Record last updated
Aug 8, 2012 (not updated in 14 years: call before relying on the address or phone)
Medicaid ID
207406307 MO
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 915 N Grand Blvd

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Nagla Abdelmalek, M.D.Emergency Medicine Physician1003847591
  2. Stephanie AdamsRegistered Nurse1003755810
  3. Jessica Addai, RNRegistered Nurse1225475171
  4. Bernadette Addison-TannerCase Management Registered Nurse1750143566
  5. Oluwafunmilayo Adebayo-Adonis, MDCritical Care Medicine (Anesthesiology) Physician1437593613
  6. Oluwatoyin Adegboyega, FNPFamily Nurse Practitioner1932724614

Verify Peter A. Fahnestock in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMissouri Board of Registration for the Healing Arts
    Search for license 2005018590
    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 Missouri license search

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Peter A. Fahnestock among 965 psychiatry physician records in Missouri

Peter A. Fahnestock, MD is one of 965 psychiatry physician records with a practice address in Missouri. 73% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does not. Its NPI, issued in 2006, is newer than 8% of them.

  • NPI issued2006 · 8% of these records are older, 60% newer
  • In a Medicare fileNo · 73% of these records are
  • In the CMS Doctors and Clinicians fileNo · 49% of these records are
  • Record last updated2012 · 46% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2084P0800X and a Missouri practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Psychiatry Physician providers in Missouri

There are 965 psychiatry physician records in Missouri. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

The 8 psychiatry physician records with the nearest ZIP codes

  1. Aikarakudy Alias, MDSaint Louis, MO 631061558539288
  2. Mahamaya Bhattacharyya, M.D.Saint Louis, MO 631061255719530
  3. Derek Brown, MDSaint Louis, MO 631061184252785
  4. Lara Fuchs, MDSaint Louis, MO 631061659437341
  5. Brandon Kiley, MDSaint Louis, MO 631061013651231
  6. Phillip McDaniel, D.O.Saint Louis, MO 631061720257827
  7. Christopher O'Connell, M.D.Saint Louis, MO 631061255699401
  8. Juee Phalak, M.D., M.P.H.Saint Louis, MO 631061154609733

Common questions

What is Peter A. Fahnestock, MD's NPI number?

Peter A. Fahnestock, MD's National Provider Identifier (NPI) is 1174549497, issued on Jul 14, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Peter A. Fahnestock, MD located?

The NPPES record lists a practice address at 915 N Grand Blvd, Saint Louis, MO, 63106. Phone: (314) 652-4100. Providers update this record themselves, so call before visiting.

How can I verify Peter A. Fahnestock, MD's license?

NPPES lists Missouri license number 2005018590, as entered by the provider. 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), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. 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.