Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Regina Marie Costantini, MD

Individual provider Obstetrics & Gynecology Physician · NPI 1417941451

Regina Marie Costantini, MD is an Obstetrics/Gynecology in Westminster, Maryland. Qualified in 1987, 39 years ago. Practices with Alii Health Center, a 51-clinician group and accepts Medicare assignment. Licensed in Maryland.

Years since qualifying
39
Licensed in
MD
In the registry since
2005
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

193 Stoner Ave Ste 300
Westminster, MD 21157-5587
Phone: (410) 876-3355
Fax: (410) 848-3647
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Obstetrics & Gynecology Physician (primary) Taxonomy 207V00000X · Licence DOO42184 (MD)

Record details

NPI number1417941451
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorNo
NPI enumeratedSeptember 6, 2005
Last updated in NPPESJune 11, 2012

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyOBSTETRICS/GYNECOLOGY
Medical schoolOTHER
Graduated 1987 (39 years in practice)
Group practice Alii Health Center — 51 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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