Donald Klein, PA
NPI 1558425587 · Physician Assistant · Annapolis, MD
Donald Klein, PA is a Physician Assistant provider in Annapolis, MD (NPI 1558425587).
Provider details
- NPI number
- 1558425587
- Entity type
- Individual
- Primary specialty
- Physician AssistantPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- PA
- Sex
- Male
- Sole proprietor
- No
- License
- C00172 (MD)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
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
Mailing address
Registry dates
- Enumerated
- 2006-12-21
- Last updated
- 2007-07-08
Frequently asked questions
- What is Donald Klein's NPI number?
- Donald Klein's National Provider Identifier (NPI) is 1558425587, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Donald Klein's specialty?
- Donald Klein is listed in the NPPES registry with a primary specialty of Physician Assistant (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Donald Klein located?
- Donald Klein's practice location on file with NPPES is 2001 Medical Pkwy, Annapolis, MD 21401-3280.
- What is Donald Klein's phone number?
- The practice phone number listed in the NPPES registry for Donald Klein is (443) 481-1366.
- Is Donald Klein's NPI active?
- Yes — Donald Klein's NPI (1558425587) 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.