NPPES file of Aug 9, 2026

Adam Joseph Legg, D.O.

Family Medicine Physician · Oak Grove, MO

Adam Joseph Legg, D.O. is a family medicine physician with a practice address in Oak Grove, Missouri, and NPI 1871956011, issued on Apr 4, 2016. Check the license (Missouri 2019022410, 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
1871956011
Name
Adam Joseph Legg
Credential
D.O.
Primary taxonomy
Family Medicine Physician 207Q00000X
License number
2019022410 MO
Self-reported in NPPES; status is on the state search
Practice location
302 SE Salem St, Oak Grove, MO 64075
Phone
(816) 690-6566
Enumerated
Apr 4, 2016
Record last updated
Nov 10, 2025
Fax
(816) 625-8276
Medicare enrollment
Enrolled (PECOS I20190711003413); accepts Medicare assignment
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 302 SE Salem St

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

  1. Ashley Keating, FNP-CFamily Nurse Practitioner1811628464

Verify Adam Joseph Legg 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 2019022410
    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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3.4 times the Medicare Part D claims of the average family medicine physician in 2024

11,920 Medicare Part D claims for 863 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 13% of claims. 581 claims were for opioids.

  1. Adam Legg11,920
  2. Specialty average3,544

Most prescribed

  1. Atorvastatin Calcium631 claims
  2. Levothyroxine Sodium484 claims
  3. Lisinopril391 claims
  4. Amlodipine Besylate327 claims
  5. Hydrocodone-Acetaminophen322 claims
  6. Metformin Hcl315 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: $66.79

3 payments; by number, the most common kind was food and beverage; the largest payer was Abbvie 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. Adam Legg$66.79
  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. Prime Healthcare Kansas City - Physician Services LLCOak Grove, MO

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

Adam Joseph Legg among 2,991 family medicine physician records in Missouri

Adam Joseph Legg, 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 2016, is newer than 74% of them.

  • NPI issued2016 · 74% of these records are older, 24% newer
  • In a Medicare fileYes · 79% of these records are
  • In the CMS Doctors and Clinicians fileYes · 59% of these records are
  • Graduated2016 · median 2006 among the 1,778 with a school on file
  • Record last updated2025 · 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).

1 family medicine physician record lists a practice address in Oak Grove

They are 1 of the 59 NPPES records with a practice address in Oak Grove, and 2,991 family medicine physician records in Missouri.

The 8 family medicine physician records with the nearest ZIP codes

  1. Ahmad Aslami, D.O.Odessa, MO 640761831154210
  2. Ram Chandra, D.O.Odessa, MO 640761750349874
  3. Bradley Zink, DOOdessa, MO 640761316901010
  4. Heather Bloesser, DOPeculiar, MO 640781659692135
  5. Laurie Clarkston, M.D.Platte City, MO 640791346358579
  6. Carl Myers, MDPlatte City, MO 640791659342285
  7. Jonathan Philippe, MDPlatte City, MO 640791477991925
  8. Ann Riggs, D.O.Platte City, MO 640791124099072

Common questions

What is Adam Joseph Legg, D.O.'s NPI number?

Adam Joseph Legg, D.O.'s National Provider Identifier (NPI) is 1871956011, issued on Apr 4, 2016. An NPI identifies a provider in billing; it is not a license.

Where is Adam Joseph Legg, D.O. located?

The NPPES record lists a practice address at 302 SE Salem St, Oak Grove, MO, 64075. Phone: (816) 690-6566. Providers update this record themselves, so call before visiting.

How can I verify Adam Joseph Legg, D.O.'s license?

NPPES lists Missouri license number 2019022410, 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 Adam Joseph Legg, D.O. prescribe under Medicare Part D?

In 2024, Adam Joseph Legg, D.O. had 11,920 Medicare Part D claims for 863 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.