Diana Marie Sustar, MD
Obstetrics & Gynecology Physician · Glens Falls, NY
Diana Marie Sustar, MD is an obstetrics & gynecology physician with a practice address in Glens Falls, New York, and NPI 1659500825, issued on Jul 9, 2009. Check the license (New York 268628, as entered in NPPES) on the NYS Education Department, Office of the Professions; the Medicare figures below come from public CMS files.
- Name
- Diana Marie Sustar
- Credential
- MD
- Primary taxonomy
- Obstetrics & Gynecology Physician 207V00000X
- License number
- 268628 NY
Self-reported in NPPES; status is on the state search - Practice location
- 90 South St, Glens Falls, NY 12801
- Phone
- (518) 792-7841
- Enumerated
- Jul 9, 2009
- Record last updated
- Mar 13, 2026
- Fax
- (518) 932-0289
- Medicaid ID
- 03779664 NY
- Medicare enrollment
- Enrolled (PECOS I20140325000869); accepts Medicare assignment
- Medical or professional school
- Northeastern Ohio University College Of Medicine, 2009
- Entity
- Type 1 · individual
8 nearest obstetrics & gynecology physician records → All 3,174 in New York → Look up another NPI →
Also registered at 90 South St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Kimberly Alger, FNPFamily Nurse Practitioner1689164352
- Madison Barrett, CNMAdvanced Practice Midwife1417649047
- Jennifer Bashant, MDObstetrics & Gynecology Physician1841411618
- Nicole Bennett, CNMAdvanced Practice Midwife1366118986
- Lynette Biss, CNMAdvanced Practice Midwife1558439695
- Susan Brown, CNMAdvanced Practice Midwife1407850035
Verify Diana Marie Sustar in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersNYS Education Department, Office of the Professions
Search for license 268628Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2.2 times the Medicare Part D claims of the average obstetrics & gynecology physician in 2024
363 Medicare Part D claims for 131 beneficiaries, against an average of 165 among the 28,733 providers of this specialty who prescribed in Part D. Brand-name drugs were 15% of claims.
Most prescribed
- Estradiol81 claims
- Clobetasol Propionate53 claims
- Alendronate Sodium33 claims
- Myrbetriq30 claims
- Yuvafem15 claims
- Fluconazole13 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Bills Medicare through one group practice
- Hudson Headwaters Health NetworkGlens Falls, NY
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Diana Marie Sustar among 3,174 obstetrics & gynecology physician records in New York
Diana Marie Sustar, MD is one of 3,174 obstetrics & gynecology physician records with a practice address in New York. 76% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2009, is newer than 64% of them.
- NPI issued2009 · 64% of these records are older, 32% newer
- In a Medicare fileYes · 76% of these records are
- In the CMS Doctors and Clinicians fileYes · 59% of these records are
- Graduated2009 · median 2002 among the 1,870 with a school on file
- Record last updated2026 · 63% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207V00000X and a New York practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
16 obstetrics & gynecology physician records list a practice address in Glens Falls
They are 16 of the 963 NPPES records with a practice address in Glens Falls, and 3,174 obstetrics & gynecology physician records in New York.
All 3,174 in New York → Every provider in Glens Falls → Obstetrics & Gynecology Physician nationwide →
The 8 obstetrics & gynecology physician records with the nearest ZIP codes
- Jennifer Bashant, MDGlens Falls, NY 128011841411618
- Sereena Coombes, MDGlens Falls, NY 128011881665271
- Elizabeth Cooney, MDGlens Falls, NY 128011699032136
- Ali Doyle, M.D.Glens Falls, NY 128011043444581
- Michael Finkowski, MDGlens Falls, NY 128011457447138
- Danielle Goertzen, MDGlens Falls, NY 128011760575245
- Cassie Leonard, MDGlens Falls, NY 128011144415779
- Elizabeth McAndrew, DOGlens Falls, NY 128011114418712
Common questions
What is Diana Marie Sustar, MD's NPI number?
Diana Marie Sustar, MD's National Provider Identifier (NPI) is 1659500825, issued on Jul 9, 2009. An NPI identifies a provider in billing; it is not a license.
Where is Diana Marie Sustar, MD located?
The NPPES record lists a practice address at 90 South St, Glens Falls, NY, 12801. Phone: (518) 792-7841. Providers update this record themselves, so call before visiting.
How can I verify Diana Marie Sustar, MD's license?
NPPES lists New York license number 268628, as entered by the provider. Search the NYS Education Department, Office of the Professions at https://www.op.nysed.gov/services/verifications/online-verification-searches. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Diana Marie Sustar, MD prescribe under Medicare Part D?
In 2024, Diana Marie Sustar, MD had 363 Medicare Part D claims for 131 beneficiaries; the average among obstetrics & gynecology physician prescribers was 165. Part D covers Medicare prescriptions 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.
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.