Registry data as of Aug 27, 2026

Irwin Isaacs, M.D.

Pain Medicine (Anesthesiology) Physician · Albuquerque, NM

Irwin Isaacs, M.D. is a pain medicine (anesthesiology) physician with a practice address in Albuquerque, New Mexico, and NPI 1942202205, issued on Jun 1, 2005. Check the license (New Mexico 2000-52, as entered in NPPES) on the New Mexico Medical Board; the Medicare figures below come from public CMS files.

Record from CMS NPPES, loaded Aug 27, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordas of Aug 27, 2026
1942202205
Name
Irwin Isaacs
Credential
M.D.
Primary taxonomy
Pain Medicine (Anesthesiology) Physician 207LP2900X
License number
2000-52 NM
Self-reported in NPPES; status is on the state search
Practice location
4163 Montgomery Blvd NE, Albuquerque, NM 87109
Phone
(505) 554-4843
Enumerated
Jun 1, 2005
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 4163 Montgomery Blvd NE

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

  1. Miguel Pupiales, MDPain Medicine (Anesthesiology) Physician1306876966

Verify Irwin Isaacs in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersNew Mexico Medical Board
    Search for license 2000-52
    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

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

99% fewer Medicare Part D claims than the average pain medicine (anesthesiology) physician in 2024

13 Medicare Part D claims, against an average of 1,731 among the 2,346 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims.

  1. Irwin Isaacs13
  2. Specialty average1,731

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: $325.01

4 payments, mostly food and beverage; the largest payer was Curonix LLC. The 2,342 providers of this specialty with any payment received $3,354.83 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Irwin Isaacs$325.01
  2. Specialty average$3,354.83

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

Pain Medicine (Anesthesiology) Physician providers in New Mexico

There are 23 pain medicine (anesthesiology) physician records in New Mexico.

Other pain medicine (anesthesiology) physician records in New Mexico

  1. Carmelita Agodon, MDGallup, NM1710965272
  2. David Calkins, M.D.Albuquerque, NM1407966369
  3. Mark Crawford, MDAlbuquerque, NM1619970654
  4. Robert Culling, DOAlbuquerque, NM1245253350
  5. Nels Dahlgren, MDRio Rancho, NM1396884318
  6. David Fran, MDCarlsbad, NM1871541631
  7. Angelique Hart, M.D.Santa Fe, NM1588621551
  8. Robin Hermes, MDSanta Fe, NM1467454744
  9. William Johnson, M.D.Albuquerque, NM1043265275
  10. Eugene Koshkin, MDAlbuquerque, NM1487793428

Common questions

What is Irwin Isaacs, M.D.'s NPI number?

Irwin Isaacs, M.D.'s National Provider Identifier (NPI) is 1942202205, issued on Jun 1, 2005. An NPI identifies a provider in billing; it is not a license.

Where is Irwin Isaacs, M.D. located?

The NPPES record lists a practice address at 4163 Montgomery Blvd NE, Albuquerque, NM, 87109. Phone: (505) 554-4843. Providers update this record themselves, so call before visiting.

How can I verify Irwin Isaacs, M.D.'s license?

NPPES lists New Mexico license number 2000-52, 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 Irwin Isaacs, M.D. prescribe under Medicare Part D?

In 2024, Irwin Isaacs, M.D. had 13 Medicare Part D claims; the average among pain medicine (anesthesiology) physician prescribers was 1,731. Part D covers Medicare prescriptions only.

Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 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.

Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.