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Harold Katz, M.D.
NPI 1356439210 · Ophthalmology Physician · Baltimore, MD
Harold Katz, M.D. is a Ophthalmology Physician provider in Baltimore, MD (NPI 1356439210).
Provider details
- NPI number
- 1356439210
- Entity type
- Individual
- Primary specialty
- Ophthalmology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- D30934 (MD)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
Detailed profile(90/100 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
1838 Greene Tree Rd
Suite 225
Baltimore, MD 21208-6391
Phone: (410) 653-0200
Fax: (410) 653-3667
Street-level locationGet directions
Mailing address
100 Park Ave
Baltimore, MD 21201-3416
Registry dates
- Enumerated
- 2006-10-10
- Last updated
- 2008-03-21
Frequently asked questions
- What is Harold Katz's NPI number?
- Harold Katz's National Provider Identifier (NPI) is 1356439210, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Harold Katz's specialty?
- Harold Katz is listed in the NPPES registry with a primary specialty of Ophthalmology Physician (Allopathic & Osteopathic Physicians).
- Where is Harold Katz located?
- Harold Katz's practice location on file with NPPES is 1838 Greene Tree Rd, Baltimore, MD 21208-6391.
- What is Harold Katz's phone number?
- The practice phone number listed in the NPPES registry for Harold Katz is (410) 653-0200.
- Is Harold Katz's NPI active?
- Yes — Harold Katz's NPI (1356439210) is active in the NPPES registry as of the last update on 2008-03-21.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.