NPPES file of Aug 9, 2026

Stewart Lane Walther, M.D.

Cardiovascular Disease Physician · Albuquerque, NM

Stewart Lane Walther, M.D. is a cardiovascular disease physician with a practice address in Albuquerque, New Mexico, and NPI 1366732117, issued on Apr 13, 2011. Check the license (New Mexico MD2017-0897, as entered in NPPES) on the New Mexico Medical Board; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1366732117
Name
Stewart Lane Walther
Credential
M.D.
Primary taxonomy
Cardiovascular Disease Physician 207RC0000X
License numbers
MD2017-0897 NM
RS2011-0333 NM
Self-reported in NPPES; status is on the state search
Practice location
1 University OF New Mexico, Albuquerque, NM 87131
Phone
(505) 272-4253
Enumerated
Apr 13, 2011
Record last updated
Mar 20, 2018 (not updated in 8 years: call before relying on the address or phone)
Fax
(505) 272-4356
Medicare enrollment
Enrolled (PECOS I20180419001686); accepts Medicare assignment
Medical or professional school
Texas Tech University Health Science Center School Of Medicine, 2011
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 1 University OF New Mexico

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

  1. Salma AbdelrahimStudent in an Organized Health Care Education/Training Program1578401022
  2. Rogena Abdelrahman, DOStudent in an Organized Health Care Education/Training Program1366385825
  3. Yara Abdou, MDHematology & Oncology Physician1578981114
  4. Osana Abich Oliva, M.D.Pediatrics Physician1891237061
  5. Daniel AboubecharaDiagnostic Radiology Physician1508256868
  6. Diana Aboytes, RDHDental Hygienist1245588656

Verify Stewart Lane Walther in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersNew Mexico Medical Board
    Search for license MD2017-0897
    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 New Mexico license search

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18% fewer Medicare Part D claims than the average cardiovascular disease physician in 2024

2,521 Medicare Part D claims for 435 beneficiaries, against an average of 3,078 among the 20,728 providers of this specialty who prescribed in Part D. Brand-name drugs were 21% of claims.

  1. Stewart Walther2,521
  2. Specialty average3,078

Most prescribed

  1. Metoprolol Succinate303 claims
  2. Atorvastatin Calcium300 claims
  3. Xarelto203 claims
  4. Furosemide178 claims
  5. Carvedilol160 claims
  6. Lisinopril129 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): 83.8 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.

  1. Qualityout of 100 · 30% of the final score84.6
  2. Costout of 100 · 30%58.6
  3. Promoting interoperabilityout of 100 · 25%100.0
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).

Industry payments in 2024: $137.51

3 payments; by number, the most common kind was food and beverage; the largest payer was AstraZeneca Pharmaceuticals LP. The 16,686 providers of this specialty with any payment received $3,819.56 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Stewart Walther$137.51
  2. Specialty average$3,819.56

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. Presbyterian Healthcare ServicesAlbuquerque, NM

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

Cardiovascular Disease Physician providers in New Mexico

There are 117 cardiovascular disease physician records in New Mexico.

Other cardiovascular disease physician records in New Mexico

  1. Abinash AchrekarAlbuquerque, NM1669431201
  2. Fundador Adajar, MDRoswell, NM1013919232
  3. Michael Adjei-Poku, MDAlbuquerque, NM1528050465
  4. H. Adkison, MDTaos, NM1407858624
  5. Enoch Agunanne, M.D.Roswell, NM1679576565
  6. Munif Alkouz, M.D.Las Cruces, NM1366672826
  7. Mohammed AlkubeysiAlbuquerque, NM1770923419
  8. Kathleen Allen, MDAlbuquerque, NM1235223603
  9. Bilal Alqam, M.B.B.SAlbuquerque, NM1982054250
  10. Paul Andre, M.D.Albuquerque, NM1710220611

Common questions

What is Stewart Lane Walther, M.D.'s NPI number?

Stewart Lane Walther, M.D.'s National Provider Identifier (NPI) is 1366732117, issued on Apr 13, 2011. An NPI identifies a provider in billing; it is not a license.

Where is Stewart Lane Walther, M.D. located?

The NPPES record lists a practice address at 1 University OF New Mexico, Albuquerque, NM, 87131. Phone: (505) 272-4253. Providers update this record themselves, so call before visiting.

How can I verify Stewart Lane Walther, M.D.'s license?

NPPES lists New Mexico license number MD2017-0897, 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 Stewart Lane Walther, M.D. prescribe under Medicare Part D?

In 2024, Stewart Lane Walther, M.D. had 2,521 Medicare Part D claims for 435 beneficiaries; the average among cardiovascular disease physician prescribers was 3,078. Part D covers Medicare prescriptions only.

What is Stewart Lane Walther, M.D.'s MIPS final score?

The 2023 MIPS final score is 83.8 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.