What is Harold Kost's NPI number?

Harold Kost's National Provider Identifier (NPI) is 1043369234, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Harold Kost's specialty?

Harold Kost is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).

Where is Harold Kost located?

Harold Kost's practice location on file with NPPES is 30 Concord St, Holliston, MA 01746-1306.

What is Harold Kost's phone number?

The practice phone number listed in the NPPES registry for Harold Kost is (508) 429-6504.

Is Harold Kost's NPI active?

Yes — Harold Kost's NPI (1043369234) is active in the NPPES registry as of the last update on 2012-01-21.

IndividualActive

Harold Kost, M.D.

NPI 1043369234 · Internal Medicine Physician · Holliston, MA

Harold Kost, M.D. is a Internal Medicine Physician provider in Holliston, MA (NPI 1043369234).

Provider details

NPI number: 1043369234
Entity type: Individual
Primary specialty: Internal Medicine PhysicianAllopathic & Osteopathic Physicians
Credential: M.D.
Sex: Male
Sole proprietor: Yes
License: 28327 (MA)

Specialties & taxonomies

Internal Medicine PhysicianPrimary207R00000XLicense 28327 (MA)
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

30 Concord St

Holliston, MA 01746-1306

Phone: (508) 429-6504

Fax: (507) 429-7745

Street-level locationGet directions

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Mailing address