NPPES file of Aug 9, 2026

Crystal Simpson, M.D.

Geriatric Medicine (Family Medicine) Physician · Parkville, MD

Crystal Simpson, M.D. is a geriatric medicine (family medicine) physician with a practice address in Parkville, Maryland, and NPI 1952341695, issued on Jun 8, 2006. Check the license (Maryland D54502, as entered in NPPES) on the Maryland Board of Physicians; the Medicare figures below come from public CMS files.

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

NPPES recordNPPES file of Aug 9, 2026
1952341695
Name
Crystal Simpson
Credential
M.D.
Primary taxonomy
Geriatric Medicine (Family Medicine) Physician 207QG0300X
License number
D54502 MD
Self-reported in NPPES; status is on the state search
Practice location
8800 Walther Blvd, Parkville, MD 21234
Phone
(410) 882-3240
Enumerated
Jun 8, 2006
Record last updated
Jul 29, 2026
Medicare enrollment
Enrolled (PECOS I20191230002456); accepts Medicare assignment
Medical or professional school
Rutgers New Jersey Medical School, 1996
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 geriatric medicine (family medicine) physician records → All 42 in Maryland → Look up another NPI →

Also registered at 8800 Walther Blvd

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

  1. Pamela Aung, MDGeriatric Medicine (Internal Medicine) Physician1871798223
  2. Alice Brazier, C.R.N.P.Nurse Practitioner1760449250
  3. Joyce Chance, SCGNA/HOME HEALTHHome Health Aide1992296750
  4. Ronald CrockettOccupational Therapist1346426582
  5. Gretchen Dickinson, MDHospitalist Physician1679617088
  6. Rhea JonesPharmacist1497350300

Verify Crystal Simpson in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMaryland Board of Physicians
    Search for license D54502    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

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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Bills Medicare through one group practice

  1. Erickson Health Medical Group OF Maryland, PCBaltimore, MD

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

Crystal Simpson among 42 geriatric medicine (family medicine) physician records in Maryland

Crystal Simpson, M.D. is one of 42 geriatric medicine (family medicine) physician records with a practice address in Maryland. 76% 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 14% of them.

  • NPI issued2006 · 14% of these records are older, 45% newer
  • In a Medicare fileYes · 76% of these records are
  • In the CMS Doctors and Clinicians fileYes · 57% of these records are
  • Graduated1996 · median 1996 among the 24 with a school on file
  • Record last updated2026 · 52% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207QG0300X and a Maryland practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Geriatric Medicine (Family Medicine) Physician providers in Maryland

There are 42 geriatric medicine (family medicine) physician records in Maryland.

All 42 in Maryland → Every provider in Parkville → Geriatric Medicine (Family Medicine) Physician nationwide →

The 8 geriatric medicine (family medicine) physician records with the nearest ZIP codes

  1. Etosha Dixon, M.D.Baltimore, MD 212341063473551
  2. Jeffrey Landsman, MDBaltimore, MD 212341982636601
  3. George Hennawi, MDBaltimore, MD 212391336140524
  4. James Richardson, M.D., M.P.H.Baltimore, MD 212291336217819
  5. Jeffrey Katz, M.D.Halethorpe, MD 212271013954213
  6. Tiffany Tsay, MDBaltimore, MD 212241770213100
  7. Kavya Veluvolu, MDBaltimore, MD 212241124550611
  8. Jason Black, M.D.Baltimore, MD 212041245259902

Common questions

What is Crystal Simpson, M.D.'s NPI number?

Crystal Simpson, M.D.'s National Provider Identifier (NPI) is 1952341695, issued on Jun 8, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Crystal Simpson, M.D. located?

The NPPES record lists a practice address at 8800 Walther Blvd, Parkville, MD, 21234. Phone: (410) 882-3240. Providers update this record themselves, so call before visiting.

How can I verify Crystal Simpson, M.D.'s license?

NPPES lists Maryland license number D54502, 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. 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.