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

Dr. Clifford Marks, MD

Individual provider Emergency Medicine Physician · NPI 1265936066

Dr. Clifford Marks, MD is an Emergency Medicine in Boston, Massachusetts. Qualified in 2018, 8 years ago. Practices with Harvard Medical Faculty Phys at Beth Israel Deaconess Med Ctr Inc, a 1,676-clinician group and accepts Medicare assignment. Licensed in Massachusetts.

Years since qualifying
8
Licensed in
MA
In the registry since
2018
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

1 Deaconess Rd
Boston, MA 02115-6007
Phone: (617) 754-2400
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Emergency Medicine Physician (primary) Taxonomy 207P00000X · Licence 291962 (MA)

Record details

NPI number1265936066
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedMarch 19, 2018
Last updated in NPPESMarch 9, 2023
Certification dateMarch 9, 2023
Mailing address1 Deaconess Rd, Boston, MA 02115-6007

Medicare enrollment

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

Medicare specialtyEMERGENCY MEDICINE
Medical schoolOTHER
Graduated 2018 (8 years in practice)
Group practice Harvard Medical Faculty Phys At Beth Israel Deaconess Med Ctr Inc — 1676 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations4 on file with Medicare

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