NPPES file of Aug 9, 2026

Joyce Lam

Gerontology Nurse Practitioner · Waldorf, MD

Joyce Lam is a gerontology nurse practitioner with a practice address in Waldorf, Maryland, and NPI 1265127740, issued on Apr 10, 2023. Check the license (Maryland AC005559, as entered in NPPES) with the Maryland board that licenses this profession; 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
1265127740
Name
Joyce Lam
Primary taxonomy
Gerontology Nurse Practitioner 363LG0600X
License numbers
AC005559 MD
28258644C IN
Self-reported in NPPES; status is on the state search
Practice location
3261 Old Washington RD, Waldorf, MD 20602
Phone
(855) 527-7246
Enumerated
Apr 10, 2023
Record last updated
Jul 10, 2025
Fax
(866) 229-5063
Medicare enrollment
Enrolled (PECOS I20240716004470); accepts Medicare assignment
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 3261 Old Washington RD

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

  1. Said Ali, M.D.Obstetrics & Gynecology Physician1255321337
  2. James Beauchamp, D.C.Chiropractor1710057401
  3. Abdel Aziz El Said, M.D.Surgery Physician1881606770
  4. Tanshanicka Felton, DNP, FNP-BCFamily Nurse Practitioner1619502812
  5. Ngozi Onuma, LMT, CLTMassage Therapist1679433221
  6. Kenneth Sable, DCChiropractor1427123801

Verify Joyce Lam in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Maryland board licenses this profession
    Search for license AC005559
    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
Find the Maryland 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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69% fewer Medicare Part D claims than the average gerontology nurse practitioner in 2024

418 Medicare Part D claims for 97 beneficiaries, against an average of 1,369 among the 6,165 providers of this specialty who prescribed in Part D. Brand-name drugs were 6% of claims. 195 claims were for opioids.

  1. Joyce Lam418
  2. Specialty average1,369

Most prescribed

  1. Oxycodone-Acetaminophen73 claims
  2. Gabapentin48 claims
  3. Oxycodone Hcl44 claims
  4. Hydrocodone-Acetaminophen35 claims
  5. Cyclobenzaprine Hcl32 claims
  6. Lidocaine23 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: $884.66

29 payments; by number, the most common kind was food and beverage; the largest payer was Nevro Corp. The 3,903 providers of this specialty with any payment received $742.05 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Joyce Lam$884.66
  2. Specialty average$742.05

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. Advanced Pain Management Specialists LLCPrince Frederick, MD

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

Gerontology Nurse Practitioner providers in Maryland

There are 199 gerontology nurse practitioner records in Maryland.

Other gerontology nurse practitioner records in Maryland

  1. Aderonke AbatanCrofton, MD1174197040
  2. Jessica Abrams, CRNPNorth Potomac, MD1003277245
  3. Bobbie Adams, AGNPSilver Spring, MD1407503154
  4. Laraba AdejoWindsor Mill, MD1225762990
  5. Eric Anapolsky, CRNPElkridge, MD1790832301
  6. Suzette Anderson, CRNPPrince Frederick, MD1386258929
  7. Susan Anthony, CRNP, MSBaltimore, MD1346271657
  8. Samson Arigbamu, CRNPOwings Mills, MD1033620398
  9. Rosemond Bartels, NPClinton, MD1326561333
  10. Dmitry Bederak, DNP, CRNPBaltimore, MD1194490250

Common questions

What is Joyce Lam's NPI number?

Joyce Lam's National Provider Identifier (NPI) is 1265127740, issued on Apr 10, 2023. An NPI identifies a provider in billing; it is not a license.

Where is Joyce Lam located?

The NPPES record lists a practice address at 3261 Old Washington RD, Waldorf, MD, 20602. Phone: (855) 527-7246. Providers update this record themselves, so call before visiting.

How can I verify Joyce Lam's license?

NPPES lists Maryland license number AC005559, as entered by the provider. Search the Maryland board that licenses this profession; the NPPES record confirms identity only.

How much does Joyce Lam prescribe under Medicare Part D?

In 2024, Joyce Lam had 418 Medicare Part D claims for 97 beneficiaries; the average among gerontology nurse practitioner prescribers was 1,369. 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.