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Helen Blackman, M.D.
NPI 1891814315 · Ophthalmology Physician · Chevy Chase, MD
Helen Blackman, M.D. is a Ophthalmology Physician provider in Chevy Chase, MD (NPI 1891814315).
Provider details
- NPI number
- 1891814315
- Entity type
- Individual
- Primary specialty
- Ophthalmology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- No
- License
- D0050462 (MD)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
Detailed profile(89/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
19 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
5530 Wisconsin Ave
Suite 1527
Chevy Chase, MD 20815-4404
Phone: (301) 657-5484
Fax: (301) 657-3284
Street-level locationGet directions
Mailing address
5530 Wisconsin Ave
Chevy Chase, MD 20815-4404
Registry dates
- Enumerated
- 2007-03-28
- Last updated
- 2007-07-08
Frequently asked questions
- What is Helen Blackman's NPI number?
- Helen Blackman's National Provider Identifier (NPI) is 1891814315, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Helen Blackman's specialty?
- Helen Blackman is listed in the NPPES registry with a primary specialty of Ophthalmology Physician (Allopathic & Osteopathic Physicians).
- Where is Helen Blackman located?
- Helen Blackman's practice location on file with NPPES is 5530 Wisconsin Ave, Chevy Chase, MD 20815-4404.
- What is Helen Blackman's phone number?
- The practice phone number listed in the NPPES registry for Helen Blackman is (301) 657-5484.
- Is Helen Blackman's NPI active?
- Yes — Helen Blackman's NPI (1891814315) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.