NPPES file of Aug 9, 2026

Sarah Jean Diekman

Occupational Medicine Physician · Oakland, MD

Sarah Jean Diekman is an occupational medicine physician with a practice address in Oakland, Maryland, and NPI 1427497908, issued on Jun 18, 2013. Check the license (Maryland D0093111, as entered in NPPES) on the Maryland Board of Physicians; the federal record below is the public data PlainDoctor holds for this provider.

Record from CMS NPPES, file of Aug 9, 2026 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1427497908
Name
Sarah Jean Diekman
Primary taxonomy
Occupational Medicine Physician 2083X0100X
License number
D0093111 MD
Self-reported in NPPES; status is on the state search
Practice location
5000 Thayer Ctr Ste C, Oakland, MD 21550
Phone
(833) 768-7633
Enumerated
Jun 18, 2013
Record last updated
Aug 1, 2022
Fax
(949) 437-2692
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 5000 Thayer Ctr Ste C

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

  1. Uchechi Annang, DNP, FNP-BCFamily Nurse Practitioner1538706668
  2. Lois AsemnorSocial Worker1720796147
  3. Kim Barsella, MSW, LCSW-C, LICSWClinical Social Worker1346473105
  4. Diane Blackmon, LCSW-CClinical Social Worker1053933796
  5. Jamelia BlakeClinical Social Worker1144092792
  6. Marianella CastroProfessional Counselor1831886274

Verify Sarah Jean Diekman in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMaryland Board of Physicians
    Search for license D0093111    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 Maryland license search

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Occupational Medicine Physician providers in Maryland

There are 69 occupational medicine physician records in Maryland. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

All 69 in Maryland → Every provider in Oakland →

Other occupational medicine physician records in Maryland

  1. Vincent Ang, M.D.Ashton, MD1043457195
  2. David Arday, M.D., M.P.H.Laurel, MD1437112992
  3. Jose Balinas, P.A.Bethesda, MD1033286372
  4. Marleece Barber, M.D., MHCMBethesda, MD1770783144
  5. Barbara Basuk, MDRockville, MD1992006811
  6. William Bernhard, M.D.Edgewood Apg, MD1467505362
  7. Kenneth Bivens, PA-CLanham, MD1477712552
  8. Andrew Branham, MDPatuxent Rvr, MD1699838698
  9. Claude Cadoux, MDRockville, MD1891922381
  10. Gary Caplan, M.D., M.P.H.Nmrtc Patuxent River, MD1164470043

Common questions

What is Sarah Jean Diekman's NPI number?

Sarah Jean Diekman's National Provider Identifier (NPI) is 1427497908, issued on Jun 18, 2013. An NPI identifies a provider in billing; it is not a license.

Where is Sarah Jean Diekman located?

The NPPES record lists a practice address at 5000 Thayer Ctr Ste C, Oakland, MD, 21550. Phone: (833) 768-7633. Providers update this record themselves, so call before visiting.

How can I verify Sarah Jean Diekman's license?

NPPES lists Maryland license number D0093111, as entered by the provider. Search the Maryland Board of Physicians at https://www.mbp.state.md.us/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. 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.