IndividualActive
John Diggs, PHD, N.D.
NPI 1528167038 · Pharmacist · Washington, DC
John Diggs, PHD, N.D. is a Pharmacist provider in Washington, DC (NPI 1528167038).
Provider details
- NPI number
- 1528167038
- Entity type
- Individual
- Primary specialty
- PharmacistPharmacy Service Providers
- Credential
- PHD, N.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 1542 (DC)
Specialties & taxonomies
Pharmacy Service Providers
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
50 Irving St Nw
Washington, DC 20422-0001
Phone: (202) 745-8000
Fax: (202) 745-8639
Street-level locationGet directions
Mailing address
12224 Hollybank Dr
Ft Washington, MD 20744-6230
Registry dates
- Enumerated
- 2006-09-21
- Last updated
- 2007-07-08
Frequently asked questions
- What is John Diggs's NPI number?
- John Diggs's National Provider Identifier (NPI) is 1528167038, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John Diggs's specialty?
- John Diggs is listed in the NPPES registry with a primary specialty of Pharmacist (Pharmacy Service Providers).
- Where is John Diggs located?
- John Diggs's practice location on file with NPPES is 50 Irving St Nw, Washington, DC 20422-0001.
- What is John Diggs's phone number?
- The practice phone number listed in the NPPES registry for John Diggs is (202) 745-8000.
- Is John Diggs's NPI active?
- Yes — John Diggs's NPI (1528167038) 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.