What is John Clark's NPI number?

John Clark's National Provider Identifier (NPI) is 1174610570, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is John Clark's specialty?

John Clark is listed in the NPPES registry with a primary specialty of Surgery Physician (Allopathic & Osteopathic Physicians).

Where is John Clark located?

John Clark's practice location on file with NPPES is 50 Irving St Nw, Washington, DC 20422-0001.

What is John Clark's phone number?

The practice phone number listed in the NPPES registry for John Clark is (202) 507-9952.

Is John Clark's NPI active?

Yes — John Clark's NPI (1174610570) is active in the NPPES registry as of the last update on 2017-02-10.

IndividualActive

John Clark, M.D.

NPI 1174610570 · Surgery Physician · Washington, DC

John Clark, M.D. is a Surgery Physician provider in Washington, DC (NPI 1174610570).

Provider details

NPI number: 1174610570
Entity type: Individual
Primary specialty: Surgery PhysicianAllopathic & Osteopathic Physicians
Credential: M.D.
Sex: Male
Sole proprietor: Yes
License: MD14155 (DC)

Specialties & taxonomies

Surgery PhysicianPrimary208600000XLicense MD14155 (DC)
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

50 Irving St Nw

Ste 412

Washington, DC 20422-0001

Phone: (202) 507-9952

Fax: (202) 836-6921

Street-level locationGet directions

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Mailing address