Theodore Gerard Costich, M.D.
Obstetrics & Gynecology Physician · Williamsville, NY
Theodore Gerard Costich, M.D. is an obstetrics & gynecology physician with a practice address in Williamsville, New York, and NPI 1245331818, issued on Sep 26, 2006. Check the license (New York 187420, as entered in NPPES) on the NYS Education Department, Office of the Professions; the Medicare figures below come from public CMS files.
- Name
- Theodore Gerard Costich
- Credential
- M.D.
- Primary taxonomy
- Obstetrics & Gynecology Physician 207V00000X
- License number
- 187420 NY
Self-reported in NPPES; status is on the state search - Practice location
- 41 Maple RD, Williamsville, NY 14221
- Phone
- (716) 631-1045
- Enumerated
- Sep 26, 2006
- Record last updated
- Sep 4, 2009 (not updated in 17 years: call before relying on the address or phone)
- Fax
- (716) 631-1365
- Medicaid ID
- 01406720 NY
- Medicare enrollment
- Enrolled (PECOS I20101105000565); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest obstetrics & gynecology physician records → All 3,174 in New York → Look up another NPI →
Also registered at 41 Maple RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Rebecca Stock, N.P.Women's Health Nurse Practitioner1710973672
- Margaret Weed, CNMWomen's Health Nurse Practitioner1326090572
- Stacie Wier, NPWomen's Health Nurse Practitioner1841393055
Verify Theodore Gerard Costich 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 187420Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
3.3 times the Medicare Part D claims of the average obstetrics & gynecology physician in 2024
551 Medicare Part D claims for 169 beneficiaries, against an average of 165 among the 28,733 providers of this specialty who prescribed in Part D. Brand-name drugs were 9% of claims.
Most prescribed
- Valacyclovir53 claims
- Estradiol52 claims
- Fluconazole45 claims
- Nystatin40 claims
- Norethindrone32 claims
- Nitrofurantoin Mono-Macro20 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
- General Physician PCWilliamsville, NY
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Theodore Gerard Costich among 3,174 obstetrics & gynecology physician records in New York
Theodore Gerard Costich, M.D. 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 2006, is newer than 9% of them.
- NPI issued2006 · 9% of these records are older, 49% newer
- In a Medicare fileYes · 76% of these records are
- In the CMS Doctors and Clinicians fileYes · 59% of these records are
- Graduated1987 · median 2002 among the 1,870 with a school on file
- Record last updated2009 · 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).
Obstetrics & Gynecology Physician providers in New York
There are 3,174 obstetrics & gynecology physician records in New York.
All 3,174 in New York → Every provider in Williamsville → Obstetrics & Gynecology Physician nationwide →
The 8 obstetrics & gynecology physician records with the nearest ZIP codes
- Joanne Arnold, MDWilliamsville, NY 142211912926809
- August Bruno, M.D.Orchard Park, NY 142211013996131
- Gabriel Chouchani, M.D.Williamsville, NY 142211629062013
- Adel Chouchani, M.D.Williamsville, NY 142211255325650
- Susan Erk, DOWilliamsville, NY 142211477520203
- Margarita Giotis, MDWilliamsville, NY 142211245276203
- Suzette Lajeunesse, M.D.Williamsville, NY 142211881600609
- Mary Angela McLellan-Desai, MDAmherst, NY 142211841257177
Common questions
What is Theodore Gerard Costich, M.D.'s NPI number?
Theodore Gerard Costich, M.D.'s National Provider Identifier (NPI) is 1245331818, issued on Sep 26, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Theodore Gerard Costich, M.D. located?
The NPPES record lists a practice address at 41 Maple RD, Williamsville, NY, 14221. Phone: (716) 631-1045. Providers update this record themselves, so call before visiting.
How can I verify Theodore Gerard Costich, M.D.'s license?
NPPES lists New York license number 187420, 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 Theodore Gerard Costich, M.D. prescribe under Medicare Part D?
In 2024, Theodore Gerard Costich, M.D. had 551 Medicare Part D claims for 169 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.