Molly R. Siegel, MD
Obstetrics & Gynecology Physician · Boston, MA
Molly R. Siegel, MD is an obstetrics & gynecology physician with a practice address in Boston, Massachusetts, and NPI 1588026157, issued on Mar 23, 2016. Check the license (Massachusetts MCS003783A, as entered in NPPES) on the Massachusetts Board of Registration in Medicine; the Medicare figures below come from public CMS files.
- Name
- Molly R. Siegel
- Credential
- MD
- Primary taxonomy
- Obstetrics & Gynecology Physician 207V00000X
- License numbers
- MCS003783A MA
A152246 CA
Self-reported in NPPES; status is on the state search - Practice location
- 55 Fruit St # 4, Boston, MA 02114
- Phone
- (617) 724-2229
- Enumerated
- Mar 23, 2016
- Record last updated
- Feb 29, 2024
- Medicare enrollment
- Enrolled (PECOS I20230623001266); accepts Medicare assignment
- Medical or professional school
- Harvard Medical School, 2016
- Entity
- Type 1 · individual
8 nearest obstetrics & gynecology physician records → All 1,127 in Massachusetts → Look up another NPI →
Also registered at 55 Fruit St # 4
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Christina Allen, CNPWomen's Health Nurse Practitioner1922407618
- Sophia Delevie-Orey, CNM, WHNPMidwife1639841463
- Elizabeth Monahan, CNMAdvanced Practice Midwife1659357960
- Natalia Richey, CNM, RNAdvanced Practice Midwife1053715581
Verify Molly R. Siegel in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMassachusetts Board of Registration in Medicine
Search for license MCS003783ACheck the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Bills Medicare through one group practice
- Massachusetts General Physicians Organization IncChelsea, MA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Molly R. Siegel among 1,127 obstetrics & gynecology physician records in Massachusetts
Molly R. Siegel, MD is one of 1,127 obstetrics & gynecology physician records with a practice address in Massachusetts. 73% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2016, is newer than 83% of them.
- NPI issued2016 · 83% of these records are older, 15% newer
- In a Medicare fileYes · 73% of these records are
- In the CMS Doctors and Clinicians fileYes · 64% of these records are
- Graduated2016 · median 2004 among the 715 with a school on file
- Record last updated2024 · 64% 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 Massachusetts 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 Massachusetts
There are 1,127 obstetrics & gynecology physician records in Massachusetts.
All 1,127 in Massachusetts → Every provider in Boston → Obstetrics & Gynecology Physician nationwide →
The 8 obstetrics & gynecology physician records with the nearest ZIP codes
- Lisa Baute, MDBoston, MA 021141881684967
- Lori Berkowitz, MDBoston, MA 021141851374276
- Erin Bradley, MD, MPHBoston, MA 021141104817386
- Marcela Delcarmen, MDBoston, MA 021141215927678
- Kristen Eckler, MDBoston, MA 021141851381545
- Lynne Goltra, MDBoston, MA 021141609856038
- Julie Jolin, MDBoston, MA 021141689648115
- Rebecca Kolp, MDBoston, MA 021141104816834
Common questions
What is Molly R. Siegel, MD's NPI number?
Molly R. Siegel, MD's National Provider Identifier (NPI) is 1588026157, issued on Mar 23, 2016. An NPI identifies a provider in billing; it is not a license.
Where is Molly R. Siegel, MD located?
The NPPES record lists a practice address at 55 Fruit St # 4, Boston, MA, 02114. Phone: (617) 724-2229. Providers update this record themselves, so call before visiting.
How can I verify Molly R. Siegel, MD's license?
NPPES lists Massachusetts license number MCS003783A, as entered by the provider. Search the Massachusetts Board of Registration in Medicine at https://findmydoctor.mass.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
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.