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

Dr. Mark Allen Clapp, MD

Individual provider Obstetrics & Gynecology Physician · NPI 1407122930

Dr. Mark Allen Clapp, MD is an Obstetrics/Gynecology in Boston, Massachusetts. Qualified in 2012, 14 years ago. Practices with Massachusetts General Physicians Organization Inc, a 3,484-clinician group, works from 3 locations and accepts Medicare assignment. Licensed in Massachusetts and New Hampshire.

Years since qualifying
14
Licensed in
MA, NH
In the registry since
2012
Specialties on file
3
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

55 Fruit St
Boston, MA 02114
Phone: (617) 724-2229
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (2)

  • 55 Fruit St, Boston, MA 02114 — (617) 724-2229
  • 67 Corporate Dr Ste 300, Portsmouth, NH 03801-2847 — (603) 516-0092

Specialties & licences

Maternal & Fetal Medicine Physician (primary) Taxonomy 207VM0101X · Licence 26265862 (MA)
Obstetrics & Gynecology Physician Taxonomy 207V00000X · Licence 26265862 (MA)
Maternal & Fetal Medicine Physician Taxonomy 207VM0101X · Licence 22231 (NH)

Record details

NPI number1407122930
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedMarch 29, 2012
Last updated in NPPESOctober 31, 2022
Certification dateOctober 31, 2022
Mailing address55 Fruit St, Boston, MA 02114-2696

Medicare enrollment

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

Medicare specialtyOBSTETRICS/GYNECOLOGY
Medical schoolOTHER
Graduated 2012 (14 years in practice)
Group practice Massachusetts General Physicians Organization Inc — 3484 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations3 on file with Medicare

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