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

Daniel Ritz Witt, MD

Individual provider Hospitalist Physician · NPI 1710513510

Daniel Ritz Witt, MD is an Internal Medicine in Wellesley, Massachusetts. Qualified in 2021, 5 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
5
Licensed in
MA
In the registry since
2020
Specialties on file
2
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

62 Walnut St Ste 2
Wellesley, MA 02481-2109
Phone: (857) 678-3901
Fax: (857) 314-6445
Show map & directions

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

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence 1017832 (MA)
Hospitalist Physician Taxonomy 208M00000X · Licence 1017832 (MA)

Record details

NPI number1710513510
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedMarch 12, 2020
Last updated in NPPESJune 30, 2026
Certification dateJune 30, 2026
Mailing address62 Walnut St Ste 2, Wellesley Hills, MA 02481-2109

Medicare enrollment

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

Medicare specialtyINTERNAL MEDICINE
Medical schoolOTHER
Graduated 2021 (5 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 locations3 on file with Medicare

Other providers in Wellesley