Harvey Ziessman, MD
NPI 1265431324 · Nuclear Radiology Physician · Baltimore, MD
Harvey Ziessman, MD is a Nuclear Radiology Physician provider in Baltimore, MD (NPI 1265431324).
Provider details
- NPI number
- 1265431324
- Entity type
- Individual
- Primary specialty
- Nuclear Radiology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 14602 (DC)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
20 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
Mailing address
Registry dates
- Enumerated
- 2005-07-20
- Last updated
- 2019-09-10
Frequently asked questions
- What is Harvey Ziessman's NPI number?
- Harvey Ziessman's National Provider Identifier (NPI) is 1265431324, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Harvey Ziessman's specialty?
- Harvey Ziessman is listed in the NPPES registry with a primary specialty of Nuclear Radiology Physician (Allopathic & Osteopathic Physicians).
- Where is Harvey Ziessman located?
- Harvey Ziessman's practice location on file with NPPES is 601 N Caroline St, Baltimore, MD 21287-0006.
- What is Harvey Ziessman's phone number?
- The practice phone number listed in the NPPES registry for Harvey Ziessman is (410) 955-6500.
- Is Harvey Ziessman's NPI active?
- Yes — Harvey Ziessman's NPI (1265431324) is active in the NPPES registry as of the last update on 2019-09-10.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.