What is Gregory Birsky's NPI number?

Gregory Birsky's National Provider Identifier (NPI) is 1629356498, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Gregory Birsky's specialty?

Gregory Birsky is listed in the NPPES registry with a primary specialty of Chiropractor (Chiropractic Providers).

Where is Gregory Birsky located?

Gregory Birsky's practice location on file with NPPES is 551 Post Rd, Darien, CT 06820-3631.

What is Gregory Birsky's phone number?

The practice phone number listed in the NPPES registry for Gregory Birsky is (203) 655-8828.

Is Gregory Birsky's NPI active?

Yes — Gregory Birsky's NPI (1629356498) is active in the NPPES registry as of the last update on 2011-07-28.

IndividualActive

Gregory Birsky, D.C.

NPI 1629356498 · Chiropractor · Darien, CT

Gregory Birsky, D.C. is a Chiropractor provider in Darien, CT (NPI 1629356498).

Provider details

NPI number: 1629356498
Entity type: Individual
Primary specialty: ChiropractorChiropractic Providers
Credential: D.C.
Sex: Male
Sole proprietor: Yes
License: 001398 (CT)

Practice location

551 Post Rd

Suite B

Darien, CT 06820-3631

Phone: (203) 655-8828

Fax: (203) 655-8830

Street-level locationGet directions

More CT providers

Mailing address

551 Post Rd

Darien, CT 06820-3631

Specialties & taxonomies

ChiropractorPrimary111N00000XLicense 001398 (CT)
Chiropractic Providers

Profile Score

Detailed profile(82/100 index)

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

Registry tenure38% of score
15 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.

Enumerated: 2011-07-28
Last updated: 2011-07-28

Frequently asked questions

What is Gregory Birsky's NPI number?: Gregory Birsky's National Provider Identifier (NPI) is 1629356498, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
What is Gregory Birsky's specialty?: Gregory Birsky is listed in the NPPES registry with a primary specialty of Chiropractor (Chiropractic Providers).
Where is Gregory Birsky located?: Gregory Birsky's practice location on file with NPPES is 551 Post Rd, Darien, CT 06820-3631.
What is Gregory Birsky's phone number?: The practice phone number listed in the NPPES registry for Gregory Birsky is (203) 655-8828.
Is Gregory Birsky's NPI active?: Yes — Gregory Birsky's NPI (1629356498) is active in the NPPES registry as of the last update on 2011-07-28.

Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.

Provider details

Practice location

Mailing address

Specialties & taxonomies

Profile Score

Registry dates

Frequently asked questions

Specialties & taxonomies

Profile Score

Frequently asked questions