What is Robert Armstrong's NPI number?

Robert Armstrong's National Provider Identifier (NPI) is 1639343262, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Robert Armstrong's specialty?

Robert Armstrong is listed in the NPPES registry with a primary specialty of Dermatology Physician (Allopathic & Osteopathic Physicians).

Where is Robert Armstrong located?

Robert Armstrong's practice location on file with NPPES is 4 Greenbriar Rd, Summit, NJ 07901-3227.

What is Robert Armstrong's phone number?

The practice phone number listed in the NPPES registry for Robert Armstrong is (908) 273-4909.

Is Robert Armstrong's NPI active?

Yes — Robert Armstrong's NPI (1639343262) is active in the NPPES registry as of the last update on 2008-04-15.

IndividualActive

Robert Armstrong, M.D.

NPI 1639343262 · Dermatology Physician · Summit, NJ

Robert Armstrong, M.D. is a Dermatology Physician provider in Summit, NJ (NPI 1639343262).

Provider details

NPI number: 1639343262
Entity type: Individual
Primary specialty: Dermatology PhysicianAllopathic & Osteopathic Physicians
Credential: M.D.
Sex: Male
Sole proprietor: Yes
License: MA056154 (NJ)

Specialties & taxonomies

Dermatology PhysicianPrimary207N00000XLicense MA056154 (NJ)
Allopathic & Osteopathic Physicians

Profile Score

Detailed profile(87/100 index)

A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.

Registry tenure38% of score
18 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

4 Greenbriar Rd

Summit, NJ 07901-3227

Phone: (908) 273-4909

Street-level locationGet directions

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Mailing address