Margaret Teresa Oconnell, MD
Obstetrics & Gynecology Physician · Slingerlands, NY
Margaret Teresa Oconnell, MD is an obstetrics & gynecology physician with a practice address in Slingerlands, New York, and NPI 1912237355, issued on Jan 7, 2010. Check the license (New York 258065, as entered in NPPES) on the NYS Education Department, Office of the Professions; the Medicare figures below come from public CMS files.
- Name
- Margaret Teresa Oconnell
- Credential
- MD
- Primary taxonomy
- Obstetrics & Gynecology Physician 207V00000X
- License number
- 258065 NY
Self-reported in NPPES; status is on the state search - Practice location
- 1240 New Scotland RD Ste 100, Slingerlands, NY 12159
- Phone
- (518) 475-7130
- Enumerated
- Jan 7, 2010
- Record last updated
- Oct 22, 2025
- Medicare enrollment
- Enrolled (PECOS I20101115001189); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest obstetrics & gynecology physician records → All 3,174 in New York → Look up another NPI →
Also registered at 1240 New Scotland RD Ste 100
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Ione Beauchamp, PTPhysical Therapist1740832682
- Susan Calyer, OTOccupational Therapist1649255779
- Carol Hennessy, OTOccupational Therapist1508892993
- Robert Kelty, MDObstetrics & Gynecology Physician1619937174
- Brigid McCarthy, NPWomen's Health Nurse Practitioner1912260753
- Hannah McCarthy, WHNPWomen's Health Nurse Practitioner1568928372
Verify Margaret Teresa Oconnell 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 258065Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
9% fewer Medicare Part D claims than the average obstetrics & gynecology physician in 2024
150 Medicare Part D claims for 42 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
- Estradiol41 claims
- Raloxifene Hcl31 claims
- Procto-Med Hc12 claims
- Premarin11 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.
Industry payments in 2024: $210.45
10 payments; by number, the most common kind was food and beverage; the largest payer was Astellas Pharma US Inc. The 21,429 providers of this specialty with any payment received $1,030.61 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- St. Peter's Health Partners Medical Associates, P.C.Valatie, NY
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Margaret Teresa Oconnell among 3,174 obstetrics & gynecology physician records in New York
Margaret Teresa Oconnell, 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 2010, is newer than 68% of them.
- NPI issued2010 · 68% of these records are older, 30% newer
- In a Medicare fileYes · 76% of these records are
- In the CMS Doctors and Clinicians fileYes · 59% of these records are
- Graduated2006 · median 2002 among the 1,870 with a school on file
- Record last updated2025 · 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).
4 obstetrics & gynecology physician records list a practice address in Slingerlands
They are 4 of the 190 NPPES records with a practice address in Slingerlands, and 3,174 obstetrics & gynecology physician records in New York.
All 3,174 in New York → Every provider in Slingerlands → Obstetrics & Gynecology Physician nationwide →
The 8 obstetrics & gynecology physician records with the nearest ZIP codes
- Kenneth Baker, M.D.Slingerlands, NY 121591760489157
- Robert Kelty, MDSlingerlands, NY 121591619937174
- Richard Kittle, MDSlingerlands, NY 121591881616217
- Deborah Basso, M.D.Troy, NY 121801740238203
- Naomi Bloomfield, M.D.Troy, NY 121801588622930
- Christopher BlossTroy, NY 121801518909209
- Melody Bruce, M.D.Troy, NY 121801568428654
- Vincent Corcoran, MDTroy, NY 121801053378729
Common questions
What is Margaret Teresa Oconnell, MD's NPI number?
Margaret Teresa Oconnell, MD's National Provider Identifier (NPI) is 1912237355, issued on Jan 7, 2010. An NPI identifies a provider in billing; it is not a license.
Where is Margaret Teresa Oconnell, MD located?
The NPPES record lists a practice address at 1240 New Scotland RD Ste 100, Slingerlands, NY, 12159. Phone: (518) 475-7130. Providers update this record themselves, so call before visiting.
How can I verify Margaret Teresa Oconnell, MD's license?
NPPES lists New York license number 258065, 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 Margaret Teresa Oconnell, MD prescribe under Medicare Part D?
In 2024, Margaret Teresa Oconnell, MD had 150 Medicare Part D claims for 42 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.