NPPES file of Aug 9, 2026

Regina Marie Costantini, M.D.

Obstetrics & Gynecology Physician · Westminster, MD

Regina Marie Costantini, M.D. is an obstetrics & gynecology physician with a practice address in Westminster, Maryland, and NPI 1417941451, issued on Sep 6, 2005. Check the license (Maryland DOO42184, as entered in NPPES) on the Maryland Board of Physicians; 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
1417941451
Name
Regina Marie Costantini
Credential
M.D.
Primary taxonomy
Obstetrics & Gynecology Physician 207V00000X
License number
DOO42184 MD
Self-reported in NPPES; status is on the state search
Practice location
193 Stoner Ave, Westminster, MD 21157
Phone
(410) 876-3355
Enumerated
Sep 6, 2005
Record last updated
Jun 11, 2012 (not updated in 14 years: call before relying on the address or phone)
Fax
(410) 848-3647
Medicaid ID
220701000 MD
Medicare enrollment
Enrolled (PECOS I20161207001681); accepts Medicare assignment
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.
Download card Updates feed

Also registered at 193 Stoner Ave

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

  1. Aruna Bollineni, MDNeurology Physician1871758037
  2. Susan Cohen, CRNPObstetrics & Gynecology Nurse Practitioner1659615797
  3. Gabriel Del Corral, M.D.Plastic and Reconstructive Surgery Physician1649390923
  4. Sunil Gurung, MDEndocrinology, Diabetes & Metabolism Physician1134380199
  5. Andrew Hodge, PAMedical Physician Assistant1063609402
  6. Radhika Kuna, MDCardiovascular Disease Physician1326028473

Verify Regina Marie Costantini in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMaryland Board of Physicians
    Search for license DOO42184
    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 Maryland license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

Is this page about you? You can ask us to correct, restrict or remove it: how.

15% fewer Medicare Part D claims than the average obstetrics & gynecology physician in 2024

140 Medicare Part D claims for 51 beneficiaries, against an average of 165 among the 28,733 providers of this specialty who prescribed in Part D.

  1. Regina Costantini140
  2. Specialty average165

Most prescribed

  1. Estradiol46 claims
  2. Clotrimazole-Betamethasone19 claims
  3. Yuvafem12 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. Alii Health CenterKailua Kona, HI

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

Regina Marie Costantini among 1,034 obstetrics & gynecology physician records in Maryland

Regina Marie Costantini, M.D. is one of 1,034 obstetrics & gynecology physician records with a practice address in Maryland. 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 2005, is newer than 0% of them.

  • NPI issued2005 · 0% of these records are older, 86% newer
  • In a Medicare fileYes · 75% of these records are
  • In the CMS Doctors and Clinicians fileYes · 58% of these records are
  • Graduated1987 · median 2005 among the 597 with a school on file
  • Record last updated2012 · 54% 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 Maryland practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

18 obstetrics & gynecology physician records list a practice address in Westminster

They are 18 of the 1,327 NPPES records with a practice address in Westminster, and 1,034 obstetrics & gynecology physician records in Maryland.

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

  1. T Ahn, MDWestminster, MD 211571487668257
  2. Muna Alam, DOWestminster, MD 211571376895557
  3. Christos Ballas, M.D.Westminster, MD 211571184618118
  4. Michael Barnett, MDWestminster, MD 211571023003555
  5. Bassam Borakat, MDWestminster, MD 211571508840398
  6. Eileen Garavente, M.D.Westminster, MD 211571003885948
  7. Lennard HerbstWestminster, MD 211571437255643
  8. Dee Hubbard, M.D.Westminster, MD 211571295828754

Common questions

What is Regina Marie Costantini, M.D.'s NPI number?

Regina Marie Costantini, M.D.'s National Provider Identifier (NPI) is 1417941451, issued on Sep 6, 2005. An NPI identifies a provider in billing; it is not a license.

Where is Regina Marie Costantini, M.D. located?

The NPPES record lists a practice address at 193 Stoner Ave, Westminster, MD, 21157. Phone: (410) 876-3355. Providers update this record themselves, so call before visiting.

How can I verify Regina Marie Costantini, M.D.'s license?

NPPES lists Maryland license number DOO42184, as entered by the provider. Search the Maryland Board of Physicians at https://www.mbp.state.md.us/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Regina Marie Costantini, M.D. prescribe under Medicare Part D?

In 2024, Regina Marie Costantini, M.D. had 140 Medicare Part D claims for 51 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.