Registry data as of Aug 27, 2026

Helen Blackman, M.D.

Ophthalmology Physician · Chevy Chase, MD

Helen Blackman, M.D. is an ophthalmology physician with a practice address in Chevy Chase, Maryland, and NPI 1891814315, issued on Mar 28, 2007. Check the license (Maryland D0050462, 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, loaded Aug 27, 2026 · method · Verify with CMS →

NPPES recordas of Aug 27, 2026
1891814315
Name
Helen Blackman
Credential
M.D.
Primary taxonomy
Ophthalmology Physician 207W00000X
License number
D0050462 MD
Self-reported in NPPES; status is on the state search
Practice location
5530 Wisconsin Ave, Chevy Chase, MD 20815
Phone
(301) 657-5484
Enumerated
Mar 28, 2007
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 5530 Wisconsin Ave

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

  1. Mary Adams, AU.D.Audiologist1316016843
  2. Melissa Adler, PTPhysical Therapist1235256231
  3. Jeffrey Andrews, MDObstetrics & Gynecology Physician1417031527
  4. Veronica Babineaux, PT, DPTPhysical Therapist1386956001
  5. Brenda Berberian, MDDermatology Physician1063490027
  6. Steven Bernstein, M.D.Sports Medicine (Orthopaedic Surgery) Physician1023033537

Verify Helen Blackman in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMaryland Board of Physicians
    Search for license D0050462
    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.

28 ophthalmology physician records list a Chevy Chase practice address

They are 28 of the 1,118 NPPES records with a Chevy Chase practice address, and 591 ophthalmology physician records in Maryland. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

Other ophthalmology physician records in Maryland

  1. Abdulrahman Abodarahim, MBBCHBaltimore, MD1770182560
  2. Donald Abrams, M.D.Baltimore, MD1841253218
  3. Lisa Abrams, M.D.Lutherville, MD1972582393
  4. Neal Adams, MDSilver Spring, MD1851354500
  5. Arturo Aglubat, M.D.Bel Air, MD1609855055
  6. Omar Ahmad, MDWaldorf, MD1093715310
  7. Ishrat Ahmed, MDBaltimore, MD1659828432
  8. Elizabeth Akinsoji, MDBaltimore, MD1790361400
  9. Esen Akpek, M.D.Baltimore, MD1851356943
  10. Rami Al-Omari, M.D.Baltimore, MD1225484462

Common questions

What is Helen Blackman, M.D.'s NPI number?

Helen Blackman, M.D.'s National Provider Identifier (NPI) is 1891814315, issued on Mar 28, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Helen Blackman, M.D. located?

The NPPES record lists a practice address at 5530 Wisconsin Ave, Chevy Chase, MD, 20815. Phone: (301) 657-5484. Providers update this record themselves, so call before visiting.

How can I verify Helen Blackman, M.D.'s license?

NPPES lists Maryland license number D0050462, 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), loaded Aug 27, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. An NPI identifies who bills; it is not a license.

Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.