IndividualActive
Robert Witzburg, M.D.
NPI 1164489209 · Internal Medicine Physician · Boston, MA
Robert Witzburg, M.D. is a Internal Medicine Physician provider in Boston, MA (NPI 1164489209).
Provider details
- NPI number
- 1164489209
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 44682 (MA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
Detailed profile(91/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
20 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
725 Albany St
Shapiro 5, Suite B
Boston, MA 02118-2526
Phone: (617) 414-5951
Fax: (617) 414-1577
Street-level locationGet directions
Mailing address
850 Harrison Ave
Boston, MA 02118-4001
Registry dates
- Enumerated
- 2006-05-01
- Last updated
- 2013-11-14
Frequently asked questions
- What is Robert Witzburg's NPI number?
- Robert Witzburg's National Provider Identifier (NPI) is 1164489209, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Robert Witzburg's specialty?
- Robert Witzburg is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Robert Witzburg located?
- Robert Witzburg's practice location on file with NPPES is 725 Albany St, Boston, MA 02118-2526.
- What is Robert Witzburg's phone number?
- The practice phone number listed in the NPPES registry for Robert Witzburg is (617) 414-5951.
- Is Robert Witzburg's NPI active?
- Yes — Robert Witzburg's NPI (1164489209) is active in the NPPES registry as of the last update on 2013-11-14.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.