NPPES file of Aug 9, 2026

Gregory V. Maynard, D.O.

Family Medicine Physician · Saint James, MO

Gregory V. Maynard, D.O. is a family medicine physician with a practice address in Saint James, Missouri, and NPI 1063450187, issued on Jun 2, 2006. Check the license (Missouri 113166, 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 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1063450187
Name
Gregory V. Maynard
Credential
D.O.
Primary taxonomy
Family Medicine Physician 207Q00000X
License number
113166 MO
Self-reported in NPPES; status is on the state search
Practice location
1000 N Jefferson St, Saint James, MO 65559
Phone
(573) 265-8840
Enumerated
Jun 2, 2006
Record last updated
Jun 11, 2026
Fax
(573) 202-2474
Medicaid ID
244666541 MO
Medicare enrollment
Enrolled (PECOS I20050518000899); accepts Medicare assignment
Medical or professional school
At Still University Of Health Sciences, College Of Osteo Med, Kirksville, 1997
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 1000 N Jefferson St

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

  1. Allison Blacksher, PAPhysician Assistant1679072169
  2. Tiffany BlandFamily Medicine Physician1447755848
  3. Rachelle Gorrell, D.O.Family Medicine Physician1336114800
  4. Megan McBride, FNPFamily Nurse Practitioner1750158630
  5. Jennifer O'Malley, M.D,Family Medicine Physician1831458033
  6. Hugh Schuetz, D.O.Family Medicine Physician1275508368

Verify Gregory V. Maynard 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 113166
    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

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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7.5 times the Medicare Part D claims of the average family medicine physician in 2024

26,588 Medicare Part D claims for 998 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 12% of claims. 2,848 claims were for opioids.

  1. Gregory Maynard26,588
  2. Specialty average3,544

Most prescribed

  1. Hydrocodone-Acetaminophen1,198 claims
  2. Levothyroxine Sodium930 claims
  3. Atorvastatin Calcium893 claims
  4. Gabapentin702 claims
  5. Alprazolam603 claims
  6. Lisinopril601 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.

Industry payments in 2024: $1,500.52

81 payments; by number, the most common kind was food and beverage; the largest payer was Amgen Inc. The 55,478 providers of this specialty with any payment received $902.55 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Gregory Maynard$1,500.52
  2. Specialty average$902.55

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Bills Medicare through one group practice

  1. Mercy Clinic Springfield CommunitiesSaint James, MO

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

Gregory V. Maynard among 2,991 family medicine physician records in Missouri

Gregory V. Maynard, D.O. is one of 2,991 family medicine physician records with a practice address in Missouri. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 13% of them.

  • NPI issued2006 · 13% of these records are older, 52% newer
  • In a Medicare fileYes · 79% of these records are
  • In the CMS Doctors and Clinicians fileYes · 59% of these records are
  • Graduated1997 · median 2006 among the 1,778 with a school on file
  • Record last updated2026 · 53% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a Missouri practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

6 family medicine physician records list a practice address in Saint James

They are 6 of the 71 NPPES records with a practice address in Saint James, and 2,991 family medicine physician records in Missouri.

The 8 family medicine physician records with the nearest ZIP codes

  1. Grace Beaumont, MDSaint James, MO 655591700935459
  2. Tiffany BlandSaint James, MO 655591447755848
  3. Rachelle Gorrell, D.O.Saint James, MO 655591336114800
  4. Jennifer O'Malley, M.D,Saint James, MO 655591831458033
  5. Hugh Schuetz, D.O.Saint James, MO 655591275508368
  6. Morris Glover, DOSalem, MO 655601447416862
  7. Bradley Jones, D.O.Salem, MO 655601154360410
  8. Yvonne Prince, M.D.Salem, MO 655601538150222

Common questions

What is Gregory V. Maynard, D.O.'s NPI number?

Gregory V. Maynard, D.O.'s National Provider Identifier (NPI) is 1063450187, issued on Jun 2, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Gregory V. Maynard, D.O. located?

The NPPES record lists a practice address at 1000 N Jefferson St, Saint James, MO, 65559. Phone: (573) 265-8840. Providers update this record themselves, so call before visiting.

How can I verify Gregory V. Maynard, D.O.'s license?

NPPES lists Missouri license number 113166, 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 V. Maynard, D.O. prescribe under Medicare Part D?

In 2024, Gregory V. Maynard, D.O. had 26,588 Medicare Part D claims for 998 beneficiaries; the average among family medicine physician prescribers was 3,544. Part D covers Medicare prescriptions only.

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.