NPPES file of Aug 9, 2026

Michael Blam, MD

Gastroenterology Physician · Long Beach, CA

Michael Blam, MD is a gastroenterology physician with a practice address in Long Beach, California, and NPI 1801877733, issued on Nov 8, 2005. Check the license on the Medical Board of California; 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
1801877733
Name
Michael Blam
Credential
MD
Primary taxonomy
Gastroenterology Physician 207RG0100X
License number
039355 CT
Self-reported in NPPES; status is on the state search
Practice location
2925 Palo Verde Ave, Long Beach, CA 90815
Phone
(562) 429-2473
Enumerated
Nov 8, 2005
Record last updated
Jan 29, 2013 (not updated in 13 years: call before relying on the address or phone)
Medicaid ID
001393553 CT
Medicare enrollment
Enrolled (PECOS I20100922000977); may accept Medicare assignment
Medical or professional school
Washington University School Of Medicine, 1995
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 2925 Palo Verde Ave

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

  1. Peter Chiu, RPHPharmacist1962875625
  2. Jennifer Lee, O.D.Optometrist1891147351
  3. Maltish LorenzoOphthalmology Physician1760010276
  4. Henry Maillefer, PHARM.D.Pharmacist1891168753
  5. Shanti Nilakantan, MDInternal Medicine Physician1902805898
  6. Sheridan Pyle, M.A., CCC-AAudiologist-Hearing Aid Fitter1336327816

Verify Michael Blam in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of CaliforniaCheck 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 California license search

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3% fewer Medicare Part D claims than the average gastroenterology physician in 2024

785 Medicare Part D claims for 440 beneficiaries, against an average of 811 among the 16,445 providers of this specialty who prescribed in Part D. Brand-name drugs were 22% of claims.

  1. Michael Blam785
  2. Specialty average811

Most prescribed

  1. Sod Sulf-Potass Sulf-Mag Sulf135 claims
  2. Gavilyte-G133 claims
  3. Pantoprazole Sodium99 claims
  4. Linzess80 claims
  5. Dicyclomine Hcl69 claims
  6. Peg-3350 And Electrolytes50 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: $99.49

5 payments; by number, the most common kind was food and beverage; the largest payer was Merck Sharp & Dohme LLC. The 13,350 providers of this specialty with any payment received $5,015.95 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Michael Blam$99.49
  2. Specialty average$5,015.95

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. Gastro-Digestive Medical GroupDowney, CA

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

Michael Blam among 2,140 gastroenterology physician records in California

Michael Blam, MD is one of 2,140 gastroenterology physician records with a practice address in California. 83% 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, 93% newer
  • In a Medicare fileYes · 83% of these records are
  • In the CMS Doctors and Clinicians fileYes · 72% of these records are
  • Graduated1995 · median 2002 among the 1,538 with a school on file
  • Record last updated2013 · 60% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RG0100X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Gastroenterology Physician providers in California

There are 2,140 gastroenterology physician records in California.

The 8 gastroenterology physician records with the nearest ZIP codes

  1. Stephanie Gonzalez, M.D.Long Beach, CA 908151497012991
  2. Archana Rao, M.D.Long Beach, CA 908151386740405
  3. Anoop Shah, MDLong Beach, CA 908131154492361
  4. Seper Dezfoli, M.D.Long Beach, CA 908081104159383
  5. Derek Dobalian, MDLong Beach, CA 908081235225467
  6. Tyralee Goo, M.D.Long Beach, CA 908221285887042
  7. Saeid Goshtasbi, MDLong Beach, CA 908081518144344
  8. Erik Kerekes, M.D.Long Beach, CA 908081871679340

Common questions

What is Michael Blam, MD's NPI number?

Michael Blam, MD's National Provider Identifier (NPI) is 1801877733, issued on Nov 8, 2005. An NPI identifies a provider in billing; it is not a license.

Where is Michael Blam, MD located?

The NPPES record lists a practice address at 2925 Palo Verde Ave, Long Beach, CA, 90815. Phone: (562) 429-2473. Providers update this record themselves, so call before visiting.

How can I verify Michael Blam, MD's license?

Search the Medical Board of California at https://www.mbc.ca.gov/License-Verification/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Michael Blam, MD prescribe under Medicare Part D?

In 2024, Michael Blam, MD had 785 Medicare Part D claims for 440 beneficiaries; the average among gastroenterology physician prescribers was 811. 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.