NPPES file of Aug 9, 2026

Natalie Wong Calhoon, M.D.

Anesthesiology Physician · St Louis, MO

Natalie Wong Calhoon, M.D. is an anesthesiology physician with a practice address in St Louis, Missouri, and NPI 1487650768, issued on Jun 22, 2005. Check the license (Missouri R1G98, as entered in NPPES) on the Missouri Board of Registration for the Healing Arts; the Medicare figures below come from public CMS files.

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

NPPES recordNPPES file of Aug 9, 2026
1487650768
Name
Natalie Wong Calhoon
Credential
M.D.
Primary taxonomy
Anesthesiology Physician 207L00000X
License number
R1G98 MO
Self-reported in NPPES; status is on the state search
Practice location
615 S New Ballas RD, St Louis, MO 63141
Phone
(314) 469-6800
Enumerated
Jun 22, 2005
Record last updated
Jul 28, 2021 (not updated in 5 years: call before relying on the address or phone)
Medicaid ID
202664710 MO
Medicare enrollment
Enrolled (PECOS I20210727001588); accepts Medicare assignment
Medical or professional school
University Of Missouri, Kansas City, School Of Medicine, 1985
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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Also registered at 615 S New Ballas RD

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

  1. Elizabeth Cavanagh, M.D.Anesthesiology Physician1992700801
  2. Sean Elliott, D.O.Anesthesiology Physician1134124076
  3. Christopher Erkmann, M.D.Anesthesiology Physician1295730133
  4. Robert Forstot, M.D.Anesthesiology Physician1740285683
  5. John Frank, M.D.Anesthesiology Physician1902801673
  6. Joann Galakatos, M.D.Anesthesiology Physician1659376598

Verify Natalie Wong Calhoon 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 R1G98    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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Bills Medicare through 3 group practices

  1. Ambulatory Anesthesia Services OF St. Charles, LLCSaint Peters, MO
  2. Premier Anesthesia LLCChesterfield, MO
  3. Western Anesthesiology Associates IncSaint Louis, MO

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

46 anesthesiology physician records list a practice address in St Louis

They are 46 of the 1,420 NPPES records with a practice address in St Louis, and 1,153 anesthesiology physician records in Missouri.

All 46 in St Louis → All 1,153 in Missouri → Every provider in St Louis →

Other anesthesiology physician records in Missouri

  1. Nabil Abboud, MDSaint Louis, MO1386660504
  2. Frederick Abele, M.D.Saint Louis, MO1346245354
  3. Ahmad Abou Leila, MDColumbia, MO1861741126
  4. Dustan Afshar, D.OSpringfield, MO1245618370
  5. Kaleb AfsharSpringfield, MO1003310608
  6. Mayank Agarwal, MD, MSESaint Louis, MO1083134134
  7. Sirajuddin Agha, MDSaint Louis, MO1750309225
  8. Chad Agnew, M.D.Branson, MO1689985392
  9. Naila Ahmad, M.D.Saint Louis, MO1477593044
  10. Christopher Ahrens, D.O.Saint Louis, MO1235426297

Common questions

What is Natalie Wong Calhoon, M.D.'s NPI number?

Natalie Wong Calhoon, M.D.'s National Provider Identifier (NPI) is 1487650768, issued on Jun 22, 2005. An NPI identifies a provider in billing; it is not a license.

Where is Natalie Wong Calhoon, M.D. located?

The NPPES record lists a practice address at 615 S New Ballas RD, St Louis, MO, 63141. Phone: (314) 469-6800. Providers update this record themselves, so call before visiting.

How can I verify Natalie Wong Calhoon, M.D.'s license?

NPPES lists Missouri license number R1G98, 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. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.