William Blattner, MD
NPI 1528020757 · Infectious Disease Physician · Baltimore, MD
William Blattner, MD is a Infectious Disease Physician provider in Baltimore, MD (NPI 1528020757).
Provider details
- NPI number
- 1528020757
- Entity type
- Individual
- Primary specialty
- Infectious Disease PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- D32677 (MD)
Specialties & taxonomies
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
- 2006-04-04
- Last updated
- 2007-11-19
Frequently asked questions
- What is William Blattner's NPI number?
- William Blattner's National Provider Identifier (NPI) is 1528020757, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is William Blattner's specialty?
- William Blattner is listed in the NPPES registry with a primary specialty of Infectious Disease Physician (Allopathic & Osteopathic Physicians).
- Where is William Blattner located?
- William Blattner's practice location on file with NPPES is 22 S Greene St, Baltimore, MD 21201-1544.
- What is William Blattner's phone number?
- The practice phone number listed in the NPPES registry for William Blattner is (410) 328-5793.
- Is William Blattner's NPI active?
- Yes — William Blattner's NPI (1528020757) is active in the NPPES registry as of the last update on 2007-11-19.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.