NPPES file of Aug 9, 2026

Douglas M. Glassman, DC

Chiropractor · Holbrook, NY

Douglas M. Glassman, DC is a chiropractor with a practice address in Holbrook, New York, and NPI 1275542565, issued on Aug 5, 2006. Check the license (New York X006064, as entered in NPPES) with the New York board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1275542565
Name
Douglas M. Glassman
Credential
DC
Primary taxonomy
Chiropractor 111N00000X
License number
X006064 NY
Self-reported in NPPES; status is on the state search
Practice location
233 Union Ave, Holbrook, NY 11741
Phone
(631) 981-2222
Enumerated
Aug 5, 2006
Record last updated
Feb 13, 2015 (not updated in 11 years: call before relying on the address or phone)
Fax
(631) 981-2279
Medicare enrollment
Enrolled (PECOS I20070403000514); accepts Medicare assignment
Medical or professional school
New York Chiropractic College, 1989
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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8 nearest chiropractor records → All 4,573 in New York → Look up another NPI →

Also registered at 233 Union Ave

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Mackenzie CarrFamily Nurse Practitioner1659237295
  2. Anthony Catanese, RPH.Pharmacist1780908871
  3. Mark Eluto, PH.D.Psychologist1720288657
  4. Patricia Firestone, LCSWClinical Social Worker1750449518
  5. Melissa Gallagher, NPFamily Nurse Practitioner1336956473
  6. Diane Johnson, LCSWClinical Social Worker1760570782

Verify Douglas M. Glassman in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich New York board licenses this profession
    Search for license X006064    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Find the New York license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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Bills Medicare through one group practice

  1. Envision Wellness Chiropractic PCBohemia, NY

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Douglas M. Glassman among 4,573 chiropractor records in New York

Douglas M. Glassman, DC is one of 4,573 chiropractor records with a practice address in New York. 13% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 5% of them.

  • NPI issued2006 · 5% of these records are older, 58% newer
  • In a Medicare fileYes · 13% of these records are
  • In the CMS Doctors and Clinicians fileYes · 36% of these records are
  • Graduated1989 · median 1997 among the 1,633 with a school on file
  • Record last updated2015 · 79% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 111N00000X and a New York practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

11 chiropractor records list a practice address in Holbrook

They are 11 of the 511 NPPES records with a practice address in Holbrook, and 4,573 chiropractor records in New York.

All 4,573 in New York → Every provider in Holbrook → Chiropractor nationwide →

The 8 chiropractor records with the nearest ZIP codes

  1. Brian Carroll, DCPCHolbrook, NY 117411023180999
  2. Guy Furno, CHHolbrook, NY 117411679637607
  3. Dominick Garofalo, D.C.Holbrook, NY 117411407184229
  4. Peter Giacalone, DCHolbrook, NY 117411932208444
  5. Russell Johnson, D.C.Holbrook, NY 117411790990679
  6. Pavlos Passas, D.C.Holbrook, NY 117411033292503
  7. Paul Priolo, DCHolbrook, NY 117411922184746
  8. William SanacoreHolbrook, NY 117411831020791

Common questions

What is Douglas M. Glassman, DC's NPI number?

Douglas M. Glassman, DC's National Provider Identifier (NPI) is 1275542565, issued on Aug 5, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Douglas M. Glassman, DC located?

The NPPES record lists a practice address at 233 Union Ave, Holbrook, NY, 11741. Phone: (631) 981-2222. Providers update this record themselves, so call before visiting.

How can I verify Douglas M. Glassman, DC's license?

NPPES lists New York license number X006064, as entered by the provider. Search the New York board that licenses this profession; the NPPES record confirms identity only.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.