NPPES file of Aug 9, 2026

Alan I. Erlbaum, M.D.

Nephrology Physician · Long Beach, CA

Alan I. Erlbaum, M.D. is a nephrology physician with a practice address in Long Beach, California, and NPI 1255337028, issued on Jun 24, 2005. Check the license (California A25643, as entered in NPPES) 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
1255337028
Name
Alan I. Erlbaum
Credential
M.D.
Primary taxonomy
Nephrology Physician 207RN0300X
License number
A25643 CA
Self-reported in NPPES; status is on the state search
Practice location
3780 Kilroy Airport Way Ste 115, Long Beach, CA 90806
Phone
(562) 595-7426
Enumerated
Jun 24, 2005
Record last updated
Aug 16, 2018 (not updated in 8 years: call before relying on the address or phone)
Fax
(562) 989-3054
Medicaid ID
00A256430 CA
Medicare enrollment
Enrolled (PECOS I20100913000248); accepts Medicare assignment
Telehealth
Offers telehealth (CMS)
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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8 nearest nephrology physician records → All 1,468 in California → Look up another NPI →

Also registered at 3780 Kilroy Airport Way Ste 115

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

  1. John Hsieh, M.D.Nephrology Physician1659376606
  2. Essam Maasarani, M.D.Nephrology Physician1366448136
  3. Alice Park, M.D.Nephrology Physician1649336298
  4. Lei Win, M.DNephrology Physician1124436001
  5. Karen Zoller, M.D.Nephrology Physician1508861535

Verify Alan I. Erlbaum in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A25643    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 California license search

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52% fewer Medicare Part D claims than the average nephrology physician in 2024

707 Medicare Part D claims for 62 beneficiaries, against an average of 1,465 among the 10,986 providers of this specialty who prescribed in Part D. Brand-name drugs were 15% of claims. 12 claims were for opioids.

  1. Alan Erlbaum707
  2. Specialty average1,465

Most prescribed

  1. Atorvastatin Calcium52 claims
  2. Ezetimibe39 claims
  3. Sevelamer Carbonate30 claims
  4. Losartan Potassium29 claims
  5. Calcium Acetate25 claims
  6. Nifedipine Er23 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: $123.86

5 payments; by number, the most common kind was food and beverage; the largest payer was Bayer Healthcare Pharmaceuticals Inc. The 8,230 providers of this specialty with any payment received $3,091.37 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Alan Erlbaum$123.86
  2. Specialty average$3,091.37

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. Coast Nephrology Medical Group Inc.Long Beach, CA

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

Alan I. Erlbaum among 1,468 nephrology physician records in California

Alan I. Erlbaum, M.D. is one of 1,468 nephrology physician records with a practice address in California. 88% 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, 90% newer
  • In a Medicare fileYes · 88% of these records are
  • In the CMS Doctors and Clinicians fileYes · 77% of these records are
  • Graduated1972 · median 2001 among the 1,128 with a school on file
  • Record last updated2018 · 62% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RN0300X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Nephrology Physician providers in California

There are 1,468 nephrology physician records in California.

All 1,468 in California → Every provider in Long Beach → Nephrology Physician nationwide →

The 8 nephrology physician records with the nearest ZIP codes

  1. Chonlada Chivangkul, M.D.Long Beach, CA 908061184063570
  2. John Hsieh, M.D.Long Beach, CA 908061659376606
  3. Essam Maasarani, M.D.Long Beach, CA 908061366448136
  4. Arvind Mehta, MDLong Beach, CA 908061518985613
  5. Alice Park, M.D.Long Beach, CA 908061649336298
  6. Sapna Patel, MDLong Beach, CA 908061710140561
  7. Nourma Sajid, M.D.Long Beach, CA 908061952808925
  8. Ngoc-Tram Tran, D.OLong Beach, CA 908061003052739

Common questions

What is Alan I. Erlbaum, M.D.'s NPI number?

Alan I. Erlbaum, M.D.'s National Provider Identifier (NPI) is 1255337028, issued on Jun 24, 2005. An NPI identifies a provider in billing; it is not a license.

Where is Alan I. Erlbaum, M.D. located?

The NPPES record lists a practice address at 3780 Kilroy Airport Way Ste 115, Long Beach, CA, 90806. Phone: (562) 595-7426. Providers update this record themselves, so call before visiting.

How can I verify Alan I. Erlbaum, M.D.'s license?

NPPES lists California license number A25643, as entered by the provider. 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 Alan I. Erlbaum, M.D. prescribe under Medicare Part D?

In 2024, Alan I. Erlbaum, M.D. had 707 Medicare Part D claims for 62 beneficiaries; the average among nephrology physician prescribers was 1,465. 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.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.