NPPES file of Aug 9, 2026

Darlene Sampson, M.D.

Internal Medicine Physician · Long Beach, CA

Darlene Sampson, M.D. is an internal medicine physician with a practice address in Long Beach, California, and NPI 1962593822, issued on Sep 27, 2006. Check the license (California G49164, 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
1962593822
Name
Darlene Sampson
Credential
M.D.
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
G49164 CA
Self-reported in NPPES; status is on the state search
Practice location
2600 Redondo Ave, Long Beach, CA 90806
Phone
(562) 988-7110
Enumerated
Sep 27, 2006
Record last updated
Jul 14, 2014 (not updated in 12 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20090211000534); accepts Medicare assignment
Medical or professional school
University Of California, Geffen School Of Medicine, 1981
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 2600 Redondo Ave

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

  1. Ellen Amador, D.O.Family Medicine Physician1336244847
  2. Adela AmayaClinical Social Worker1922443142
  3. Diego Arrieta Paoli, RNRegistered Nurse1871438283
  4. Taylor ArthurClinical Social Worker1134744501
  5. Jeannette BakkeRegistered Nurse1629913934
  6. Tamara Balthazar, RACDay Training/Habilitation Specialist1568274249

Verify Darlene Sampson in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license G49164
    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

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

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85% fewer Medicare Part D claims than the average internal medicine physician in 2024

478 Medicare Part D claims for 236 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 14% of claims.

  1. Darlene Sampson478
  2. Specialty average3,176

Most prescribed

  1. Mometasone Furoate64 claims
  2. Betamethasone Dipropionate40 claims
  3. Fluocinonide28 claims
  4. Fluorouracil28 claims
  5. Methotrexate27 claims
  6. Fluocinolone Acetonide25 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: $1,101.31

19 payments; by number, the most common kind was food and beverage; the largest payer was Amgen Inc. The 50,334 providers of this specialty with any payment received $1,303.06 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Darlene Sampson$1,101.31
  2. Specialty average$1,303.06

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. Healthcare Partners Affiliates Medical GroupLong Beach, CA

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

Darlene Sampson among 17,696 internal medicine physician records in California

Darlene Sampson, M.D. is one of 17,696 internal medicine physician records with a practice address in California. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 5% of them.

  • NPI issued2006 · 5% of these records are older, 56% newer
  • In a Medicare fileYes · 79% of these records are
  • In the CMS Doctors and Clinicians fileYes · 63% of these records are
  • Graduated1981 · median 2004 among the 11,065 with a school on file
  • Record last updated2014 · 61% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

221 internal medicine physician records list a practice address in Long Beach

They are 221 of the 13,650 NPPES records with a practice address in Long Beach, and 17,696 internal medicine physician records in California.

The 8 internal medicine physician records with the nearest ZIP codes

  1. John Adams, D.O.Long Beach, CA 908061801852900
  2. Mark Asbill, M.D.Long Beach, CA 908061558310896
  3. Alla Gartsman, M.D.Long Beach, CA 908061457317133
  4. Sabrina Harper, MDLong Beach, CA 908061023081924
  5. Richard Im, MDLong Beach, CA 908061972586840
  6. Tina Kitajima, M.D.Long Beach, CA 908061033164892
  7. Angela Lamotte, M.D.Long Beach, CA 908061538166764
  8. Raymond Lee, M.D.Long Beach, CA 908061295790277

Common questions

What is Darlene Sampson, M.D.'s NPI number?

Darlene Sampson, M.D.'s National Provider Identifier (NPI) is 1962593822, issued on Sep 27, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Darlene Sampson, M.D. located?

The NPPES record lists a practice address at 2600 Redondo Ave, Long Beach, CA, 90806. Phone: (562) 988-7110. Providers update this record themselves, so call before visiting.

How can I verify Darlene Sampson, M.D.'s license?

NPPES lists California license number G49164, 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 Darlene Sampson, M.D. prescribe under Medicare Part D?

In 2024, Darlene Sampson, M.D. had 478 Medicare Part D claims for 236 beneficiaries; the average among internal medicine physician prescribers was 3,176. 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.