Mark Edward Van Wormer, MD
General Practice Physician · Clayton, NM
Mark Edward Van Wormer, MD is a general practice physician with a practice address in Clayton, New Mexico, and NPI 1013919034, issued on Aug 10, 2005. Check the license (New Mexico 81333, as entered in NPPES) on the New Mexico Medical Board; the Medicare figures below come from public CMS files.
- Name
- Mark Edward Van Wormer
- Credential
- MD
- Primary taxonomy
- General Practice Physician 208D00000X
- License number
- 81333 NM
Self-reported in NPPES; status is on the state search - Practice location
- 314 N 3RD Ave, Clayton, NM 88415
- Phone
- (575) 374-8313
- Enumerated
- Aug 10, 2005
- Record last updated
- Jul 15, 2009 (not updated in 17 years: call before relying on the address or phone)
- Fax
- (575) 374-2064
- Medicaid ID
- 05645 NM
- Medicare enrollment
- Enrolled (PECOS I20081210000801); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest general practice physician records → All 103 in New Mexico → Look up another NPI →
Also registered at 314 N 3RD Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Nilo Rivera, MDInternal Medicine Physician1821048695
Verify Mark Edward Van Wormer in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersNew Mexico Medical Board
Search for license 81333Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
3.1 times the Medicare Part D claims of the average general practice physician in 2024
9,337 Medicare Part D claims for 357 beneficiaries, against an average of 3,030 among the 8,395 providers of this specialty who prescribed in Part D. Brand-name drugs were 16% of claims. 315 claims were for opioids.
Most prescribed
- Potassium Chloride429 claims
- Lisinopril351 claims
- Levothyroxine Sodium349 claims
- Eliquis322 claims
- Omeprazole234 claims
- Atorvastatin Calcium233 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 practice group's MIPS final score for 2023 (Medicare payment program): 75.1 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. 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, group reporting; category weights for 2023 (qpp.cms.gov).
Bills Medicare through one group practice
- Clayton Health Systems IncClayton, NM
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Mark Edward Van Wormer among 103 general practice physician records in New Mexico
Mark Edward Van Wormer, MD is one of 103 general practice physician records with a practice address in New Mexico. 45% 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, 94% newer
- In a Medicare fileYes · 45% of these records are
- In the CMS Doctors and Clinicians fileYes · 22% of these records are
- Graduated1980 · median 1991 among the 23 with a school on file
- Record last updated2009 · 73% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208D00000X and a New Mexico practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
1 general practice physician record lists a practice address in Clayton
They are 1 of the 67 NPPES records with a practice address in Clayton, and 103 general practice physician records in New Mexico.
All 103 in New Mexico → Every provider in Clayton → General Practice Physician nationwide →
The 8 general practice physician records with the nearest ZIP codes
- Roger Beechie, M.D.Ruidoso, NM 883451881645034
- Linda Miles, MDMescalero, NM 883401881752970
- Christopher Butler, MDHolloman Afb, NM 883301588980262
- Zachary Dreaden, D.O.Holloman Afb, NM 883301437596475
- Guyu Liu, MDHolloman Afb, NM 883301417605684
- Kevin Yeo, DOHolloman Afb, NM 883301740660372
- Allen Hurt, M.D.Hobbs, NM 882401770570749
- Geeta Lele, MDHobbs, NM 882401699961136
Common questions
What is Mark Edward Van Wormer, MD's NPI number?
Mark Edward Van Wormer, MD's National Provider Identifier (NPI) is 1013919034, issued on Aug 10, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Mark Edward Van Wormer, MD located?
The NPPES record lists a practice address at 314 N 3RD Ave, Clayton, NM, 88415. Phone: (575) 374-8313. Providers update this record themselves, so call before visiting.
How can I verify Mark Edward Van Wormer, MD's license?
NPPES lists New Mexico license number 81333, as entered by the provider. Search the New Mexico Medical Board at https://www.nmmb.state.nm.us/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Mark Edward Van Wormer, MD prescribe under Medicare Part D?
In 2024, Mark Edward Van Wormer, MD had 9,337 Medicare Part D claims for 357 beneficiaries; the average among general practice physician prescribers was 3,030. Part D covers Medicare prescriptions only.
What is Mark Edward Van Wormer, MD's MIPS final score?
The 2023 MIPS final score is 75.1 of 100, reported for the practice group. 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.