Llewelyn Anthony Williams, M.D.
Pain Medicine (Anesthesiology) Physician · Las Cruces, NM
Llewelyn Anthony Williams, M.D. is a pain medicine (anesthesiology) physician with a practice address in Las Cruces, New Mexico, and NPI 1316922750, issued on Dec 8, 2005. Check the license (New Mexico MD2010-0116, as entered in NPPES) on the New Mexico Medical Board; the Medicare figures below come from public CMS files.
- Name
- Llewelyn Anthony Williams
- Credential
- M.D.
- Primary taxonomy
- Pain Medicine (Anesthesiology) Physician 207LP2900X
- License numbers
- MD2010-0116 NM
MD059713L PA
Self-reported in NPPES; status is on the state search - Practice location
- 2170 E Lohman Ave, Las Cruces, NM 88001
- Phone
- (575) 449-7002
- Enumerated
- Dec 8, 2005
- Record last updated
- Nov 12, 2014 (not updated in 12 years: call before relying on the address or phone)
- Fax
- (575) 652-4684
- Medicare enrollment
- Enrolled (PECOS I20110214000346); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest pain medicine (anesthesiology) physician records → All 33 in New Mexico → Look up another NPI →
Also registered at 2170 E Lohman Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- David Barr, PTPhysical Therapist1023492477
- Criscel Napao, PT,DPTPhysical Therapist1740836055
Verify Llewelyn Anthony Williams in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersNew Mexico Medical Board
Search for license MD2010-0116Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
3.6 times the Medicare Part D claims of the average pain medicine (anesthesiology) physician in 2024
6,246 Medicare Part D claims for 653 beneficiaries, against an average of 1,750 among the 2,982 providers of this specialty who prescribed in Part D. Brand-name drugs were 1% of claims. 1,721 claims were for opioids.
Most prescribed
- Tizanidine Hcl1,039 claims
- Gabapentin729 claims
- Alprazolam641 claims
- Hydrocodone-Acetaminophen636 claims
- Tramadol Hcl445 claims
- Pregabalin430 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): 0 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).
Industry payments in 2024: $1,880.13
27 payments; by number, the most common kind was food and beverage; the largest payer was Boston Scientific Corporation. The 2,789 providers of this specialty with any payment received $3,225.41 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
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
- Agape Pain Management And Anesthesia, LLCLas Cruces, NM
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Llewelyn Anthony Williams among 33 pain medicine (anesthesiology) physician records in New Mexico
Llewelyn Anthony Williams, M.D. is one of 33 pain medicine (anesthesiology) physician records with a practice address in New Mexico. 91% 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, 85% newer
- In a Medicare fileYes · 91% of these records are
- In the CMS Doctors and Clinicians fileYes · 73% of these records are
- Graduated1993 · median 1994 among the 24 with a school on file
- Record last updated2014 · 33% 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 New Mexico 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 New Mexico
There are 33 pain medicine (anesthesiology) physician records in New Mexico.
All 33 in New Mexico → Every provider in Las Cruces → Pain Medicine (Anesthesiology) Physician nationwide →
The 8 pain medicine (anesthesiology) physician records with the nearest ZIP codes
- John Underwood, M.D.Roswell, NM 882011962467555
- David Fran, MDCarlsbad, NM 882201871541631
- Robin Hermes, MDSanta Fe, NM 875071467454744
- David Woog, M.D.Santa Fe, NM 875071083616338
- Angelique Hart, M.D.Santa Fe, NM 875061588621551
- Melissa Covington, M.D.Santa Fe, NM 875051851457394
- Barbara Pero, M.D.Santa Fe, NM 875051174538037
- Penelope Strauss, PHD, APRN-CRNASanta Fe, NM 875051952488652
Common questions
What is Llewelyn Anthony Williams, M.D.'s NPI number?
Llewelyn Anthony Williams, M.D.'s National Provider Identifier (NPI) is 1316922750, issued on Dec 8, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Llewelyn Anthony Williams, M.D. located?
The NPPES record lists a practice address at 2170 E Lohman Ave, Las Cruces, NM, 88001. Phone: (575) 449-7002. Providers update this record themselves, so call before visiting.
How can I verify Llewelyn Anthony Williams, M.D.'s license?
NPPES lists New Mexico license number MD2010-0116, 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 Llewelyn Anthony Williams, M.D. prescribe under Medicare Part D?
In 2024, Llewelyn Anthony Williams, M.D. had 6,246 Medicare Part D claims for 653 beneficiaries; the average among pain medicine (anesthesiology) physician prescribers was 1,750. Part D covers Medicare prescriptions only.
What is Llewelyn Anthony Williams, M.D.'s MIPS final score?
The 2023 MIPS final score is 0 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.