NPPES file of Aug 9, 2026

Rebecca Sieber, MD

Obstetrics & Gynecology Physician · Lancaster, PA

Rebecca Sieber, MD is an obstetrics & gynecology physician with a practice address in Lancaster, Pennsylvania, and NPI 1306166525, issued on Jun 10, 2010. Check the license (Pennsylvania MD451890, 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
1306166525
Name
Rebecca Sieber
Credential
MD
Primary taxonomy
Obstetrics & Gynecology Physician 207V00000X
License number
MD451890 PA
Self-reported in NPPES; status is on the state search
Practice location
694 Good Dr, Lancaster, PA 17601
Phone
(717) 544-3737
Enumerated
Jun 10, 2010
Record last updated
Jul 28, 2014 (not updated in 12 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20140902000258); accepts Medicare assignment
Medical or professional school
Ohio State University College Of Medicine, 2010
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 694 Good Dr

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

  1. Kathryn Abello, M.D.Obstetrics & Gynecology Physician1760446694
  2. Christina Bewersdorff, CNMAdvanced Practice Midwife1841942075
  3. Lisa Billiter, CNMMidwife1114997103
  4. William Bradford, D.O.Obstetrics & Gynecology Physician1427030428
  5. Emily Burkholder, CRNPWomen's Health Nurse Practitioner1689816829
  6. Charles Castle, MDObstetrics & Gynecology Physician1174593024

Verify Rebecca Sieber 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 MD451890
    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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83% fewer Medicare Part D claims than the average obstetrics & gynecology physician in 2024

28 Medicare Part D claims for 14 beneficiaries, against an average of 165 among the 28,733 providers of this specialty who prescribed in Part D.

  1. Rebecca Sieber28
  2. Specialty average165

Most prescribed

  1. Valacyclovir12 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

  1. Lancaster General Medical GroupLancaster, PA

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

Rebecca Sieber among 1,974 obstetrics & gynecology physician records in Pennsylvania

Rebecca Sieber, MD 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 2010, is newer than 58% of them.

  • NPI issued2010 · 58% of these records are older, 39% newer
  • In a Medicare fileYes · 75% of these records are
  • In the CMS Doctors and Clinicians fileYes · 60% of these records are
  • Graduated2010 · median 2007 among the 1,176 with a school on file
  • Record last updated2014 · 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).

Obstetrics & Gynecology Physician providers in Pennsylvania

There are 1,974 obstetrics & gynecology physician records in Pennsylvania.

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

  1. Kathryn Abello, M.D.Lancaster, PA 176011760446694
  2. William Bradford, D.O.Lancaster, PA 176011427030428
  3. Charles Castle, MDLancaster, PA 176011174593024
  4. Sharon Conslato, MDLancaster, PA 176011417910357
  5. Robert Faizon, MDLancaster, PA 176011558309666
  6. Laura Good, MDLancaster, PA 176011811967763
  7. Pamela Hershner, DOLancaster, PA 176011093753105
  8. Jessica Krebs, MDLancaster, PA 176011356305858

Common questions

What is Rebecca Sieber, MD's NPI number?

Rebecca Sieber, MD's National Provider Identifier (NPI) is 1306166525, issued on Jun 10, 2010. An NPI identifies a provider in billing; it is not a license.

Where is Rebecca Sieber, MD located?

The NPPES record lists a practice address at 694 Good Dr, Lancaster, PA, 17601. Phone: (717) 544-3737. Providers update this record themselves, so call before visiting.

How can I verify Rebecca Sieber, MD's license?

NPPES lists Pennsylvania license number MD451890, 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 Rebecca Sieber, MD prescribe under Medicare Part D?

In 2024, Rebecca Sieber, MD had 28 Medicare Part D claims for 14 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.