Gregory H. Smith, D.O.
Pain Medicine (Anesthesiology) Physician · Saint Louis, MO
Gregory H. Smith, D.O. is a pain medicine (anesthesiology) physician with a practice address in Saint Louis, Missouri, and NPI 1386640316, issued on Jun 23, 2005. Check the license (Missouri R1E02, as entered in NPPES) on the Missouri Board of Registration for the Healing Arts; the Medicare figures below come from public CMS files.
- Name
- Gregory H. Smith
- Credential
- D.O.
- Primary taxonomy
- Pain Medicine (Anesthesiology) Physician 207LP2900X
- License number
- R1E02 MO
Self-reported in NPPES; status is on the state search - Practice location
- 1070 Old Des Peres RD, Saint Louis, MO 63131
- Phone
- (314) 821-8644
- Enumerated
- Jun 23, 2005
- Record last updated
- Aug 2, 2011 (not updated in 15 years: call before relying on the address or phone)
- Fax
- (314) 821-4858
- Medicaid ID
- 242057925 MO
- Medicare enrollment
- Enrolled (PECOS I20050728000033); accepts Medicare assignment
- Medical or professional school
- Kansas City University Of Med & Biosciences, College Of Osteo Med, 1983
- Entity
- Type 1 · individual
8 nearest pain medicine (anesthesiology) physician records → All 107 in Missouri → Look up another NPI →
Also registered at 1070 Old Des Peres RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Elizabeth Abernathy, N.P.Adult Health Nurse Practitioner1962680264
- Todd Bailey, M.D.Pain Medicine (Anesthesiology) Physician1336144187
- Thomas Johans, M.D.Pain Medicine (Anesthesiology) Physician1194720037
- Stephen Schmidt, M.D.Pain Medicine (Anesthesiology) Physician1659377687
Verify Gregory H. Smith in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMissouri Board of Registration for the Healing Arts
Search for license R1E02Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
22% fewer Medicare Part D claims than the average pain medicine (anesthesiology) physician in 2024
1,359 Medicare Part D claims for 163 beneficiaries, against an average of 1,750 among the 2,982 providers of this specialty who prescribed in Part D. Brand-name drugs were 4% of claims. 800 claims were for opioids.
Most prescribed
- Tramadol Hcl213 claims
- Gabapentin180 claims
- Pregabalin173 claims
- Morphine Sulfate Er141 claims
- Methadone Hcl139 claims
- Oxycodone-Acetaminophen121 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
The MIPS final score for 2023 (Medicare payment program): 17.7 of 100
The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).
Bills Medicare through one group practice
- 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).
Gregory H. Smith among 107 pain medicine (anesthesiology) physician records in Missouri
Gregory H. Smith, D.O. is one of 107 pain medicine (anesthesiology) physician records with a practice address in Missouri. 82% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 71% newer
- In a Medicare fileYes · 82% of these records are
- In the CMS Doctors and Clinicians fileYes · 68% of these records are
- Graduated1983 · median 2004 among the 73 with a school on file
- Record last updated2011 · 56% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207LP2900X and a Missouri practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Pain Medicine (Anesthesiology) Physician providers in Missouri
There are 107 pain medicine (anesthesiology) physician records in Missouri.
All 107 in Missouri → Every provider in Saint Louis → Pain Medicine (Anesthesiology) Physician nationwide →
The 8 pain medicine (anesthesiology) physician records with the nearest ZIP codes
- Todd Bailey, M.D.Saint Louis, MO 631311336144187
- Barry Feinberg, MDSaint Louis, MO 631311235130345
- John Graham, MDSaint Louis, MO 631311437269081
- Thomas Johans, M.D.Saint Louis, MO 631311194720037
- Mohammed Paracha, M.D.Saint Louis, MO 631311316236409
- Stephen Schmidt, M.D.Saint Louis, MO 631311659377687
- Nicole Shin, MDSaint Louis, MO 631311447645320
- Xiaobin Yi, MDSaint Louis, MO 631311407888498
Common questions
What is Gregory H. Smith, D.O.'s NPI number?
Gregory H. Smith, D.O.'s National Provider Identifier (NPI) is 1386640316, issued on Jun 23, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Gregory H. Smith, D.O. located?
The NPPES record lists a practice address at 1070 Old Des Peres RD, Saint Louis, MO, 63131. Phone: (314) 821-8644. Providers update this record themselves, so call before visiting.
How can I verify Gregory H. Smith, D.O.'s license?
NPPES lists Missouri license number R1E02, 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.
How much does Gregory H. Smith, D.O. prescribe under Medicare Part D?
In 2024, Gregory H. Smith, D.O. had 1,359 Medicare Part D claims for 163 beneficiaries; the average among pain medicine (anesthesiology) physician prescribers was 1,750. Part D covers Medicare prescriptions only.
What is Gregory H. Smith, D.O.'s MIPS final score?
The 2023 MIPS final score is 17.7 of 100. The average among 454,083 clinicians with a measured score was 83.5.
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.
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.