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Alan I. Erlbaum, M.D.

NPI 1255337028ActiveIndividual· Internal Medicine, Nephrology· Long Beach, CA

Internal Medicine, Nephrology (M.D.) with Coast Nephrology Medical Group Inc., practicing in Long Beach, California. Their prescriptions cost Medicare Part D more than their services did: $162,576 for 707 claims, against $41,735 paid for services in 2024. Otsuka America Pharmaceutical, Inc. was the largest of 6 companies reporting payments in 2025, $253.14 in all, mostly food and beverage.

Overview

NPI1255337028
StatusActive
Entity typeIndividual
CredentialM.D.
Sole proprietorNo
NPI issuedJun 24, 2005
Last updated in NPPESAug 16, 2018

Specialties and licenses

TaxonomyCodeLicenseState
Internal Medicine, Nephrology Primary207RN0300XA25643CA

About license numbers in NPPES

Exclusion screening

ListResultDetails
HHS-OIG LEIE · Nov 10, 2026No matchChecked by NPI and by name + state
North Carolina Medicaid · Nov 11, 2026No match—
New York OMIG · Nov 11, 2026No match—
Ohio Medicaid · Nov 11, 2026No match—
Pennsylvania Medicheck · Nov 11, 2026No match—
Washington HCA · Nov 11, 2026No match—

Official OIG search · How matching works ·Bulk check a roster

Medicare

Enrollment (PECOS)Enrolled Practitioner - Internal Medicine (CA)
Accepts assignmentYes (participating)

Medicare services in 2024

Medicare patients59
Services billed267 across 11 procedure codes
Paid by Medicare$41,735

Part D prescriptions in 2024

Prescriptions (claims)707 · 1,384 30-day fills
Patients62
Total drug cost$162,576
Generic share85% of claims

Medicare sources and data years

Education and affiliations

Graduation year1972
Medicare specialtyInternal Medicine
Secondary specialtiesNephrology
TelehealthOffers telehealth

Medical group

Other facilities

Source: CMS Care Compare

Industry payments (Open Payments)

  • 2025$253.14 · 9 payments from 6 companies
  • 2024$123.86 · 5 payments from 4 companies

Top paying companies in 2025

What the 2025 payments were for

  • Food and Beverage$253.14 · 9 payments

Receiving payments does not imply wrongdoing. What Open Payments covers ·original records

Other nephrologists in Long Beach

All 30 nephrologists in Long Beach · All nephrologists in California