NPPES file of Aug 9, 2026

Tanya O'Connor, DO

Obstetrics & Gynecology Physician · Ephrata, PA

Tanya O'Connor, DO is an obstetrics & gynecology physician with a practice address in Ephrata, Pennsylvania, and NPI 1609978741, issued on Sep 1, 2006. Check the license (Pennsylvania 05009575L, as entered in NPPES) on the Pennsylvania Department of State (PALS); the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1609978741
Name
Tanya O'Connor
Credential
DO
Primary taxonomy
Obstetrics & Gynecology Physician 207V00000X
License number
05009575L PA
Self-reported in NPPES; status is on the state search
Practice location
175 Martin Ave, Ephrata, PA 17522
Phone
(717) 721-5700
Enumerated
Sep 1, 2006
Record last updated
Feb 28, 2025
Fax
(717) 715-1296
Medicaid ID
16736950008 PA
Medicare enrollment
Enrolled (PECOS I20050525001071); accepts Medicare assignment
Medical or professional school
Philadelphia College Of Osteopathic Medicine, 1987
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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Also registered at 175 Martin Ave

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

  1. Danica Beebe, CNMAdvanced Practice Midwife1174941199
  2. Patrick Brunk, DOInfectious Disease Physician1366007064
  3. Ann Bybel, M.D.Obstetrics & Gynecology Physician1760593560
  4. John Carini, MDObstetrics & Gynecology Physician1891890232
  5. Lori Conley, CNMAdvanced Practice Midwife1952735144
  6. Karen Crouse, CNMAdvanced Practice Midwife1972757631

Verify Tanya O'Connor in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersPennsylvania Department of State (PALS)
    Search for license 05009575L
    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
Open the Pennsylvania license search

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38% fewer Medicare Part D claims than the average obstetrics & gynecology physician in 2024

103 Medicare Part D claims for 40 beneficiaries, against an average of 165 among the 28,733 providers of this specialty who prescribed in Part D. Brand-name drugs were 24% of claims.

  1. Tanya O'Connor103
  2. Specialty average165

Most prescribed

  1. Estradiol20 claims
  2. Estradiol (Once Weekly)17 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: $69.11

1 payment: food and beverage; the largest payer was Amgen 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.

  1. Tanya O'Connor$69.11
  2. Specialty average$1,030.61

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

  1. Wellspan Medical GroupEphrata, PA

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

Tanya O'Connor among 1,974 obstetrics & gynecology physician records in Pennsylvania

Tanya O'Connor, DO is one of 1,974 obstetrics & gynecology physician records with a practice address in Pennsylvania. 75% 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 13% of them.

  • NPI issued2006 · 13% of these records are older, 56% newer
  • In a Medicare fileYes · 75% of these records are
  • In the CMS Doctors and Clinicians fileYes · 60% of these records are
  • Graduated1987 · median 2007 among the 1,176 with a school on file
  • Record last updated2025 · 58% 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 Pennsylvania practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

7 obstetrics & gynecology physician records list a practice address in Ephrata

They are 7 of the 574 NPPES records with a practice address in Ephrata, and 1,974 obstetrics & gynecology physician records in Pennsylvania.

The 8 obstetrics & gynecology physician records with the nearest ZIP codes

  1. Shivani Bista, MDEphrata, PA 175221316320898
  2. Ann Bybel, M.D.Ephrata, PA 175221760593560
  3. John Carini, MDEphrata, PA 175221891890232
  4. Jonathan Griner, MDEphrata, PA 175221023088051
  5. Kristine Leaman, M.D.Ephrata, PA 175221831183300
  6. Dirk Strasser, MDEphrata, PA 175221194216945
  7. Michelle Fegley, M.D.Lititz, PA 175431881679280
  8. Thomas Fromuth, MDLititz, PA 175431679544639

Common questions

What is Tanya O'Connor, DO's NPI number?

Tanya O'Connor, DO's National Provider Identifier (NPI) is 1609978741, issued on Sep 1, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Tanya O'Connor, DO located?

The NPPES record lists a practice address at 175 Martin Ave, Ephrata, PA, 17522. Phone: (717) 721-5700. Providers update this record themselves, so call before visiting.

How can I verify Tanya O'Connor, DO's license?

NPPES lists Pennsylvania license number 05009575L, as entered by the provider. Search the Pennsylvania Department of State (PALS) at https://www.pals.pa.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Tanya O'Connor, DO prescribe under Medicare Part D?

In 2024, Tanya O'Connor, DO had 103 Medicare Part D claims for 40 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.