Douglas Glassman, DC
NPI 1275542565 · Chiropractor · Holbrook, NY
Enrolled with Medicare as Practitioner - Chiropractic · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Douglas Glassman, DC is a Chiropractor provider in Holbrook, NY (NPI 1275542565).
Provider details
- NPI number
- 1275542565
- Entity type
- Individual
- Primary specialty
- ChiropractorChiropractic Providers
- Credential
- DC
- Sex
- Male
- Sole proprietor
- Yes
- License
- X006064 (NY)
Specialties & taxonomies
Chiropractic Providers
Profile Score
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
Mailing address
Registry dates
- Enumerated
- 2006-08-05
- Last updated
- 2015-02-13
Frequently asked questions
- What is Douglas Glassman's NPI number?
- Douglas Glassman's National Provider Identifier (NPI) is 1275542565, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Douglas Glassman's specialty?
- Douglas Glassman is listed in the NPPES registry with a primary specialty of Chiropractor (Chiropractic Providers).
- Where is Douglas Glassman located?
- Douglas Glassman's practice location on file with NPPES is 233 Union Ave, Holbrook, NY 11741-1820.
- What is Douglas Glassman's phone number?
- The practice phone number listed in the NPPES registry for Douglas Glassman is (631) 981-2222.
- Does Douglas Glassman accept Medicare?
- Douglas Glassman is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Douglas Glassman's NPI active?
- Yes — Douglas Glassman's NPI (1275542565) is active in the NPPES registry as of the last update on 2015-02-13.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.