Timothy Mikulski, MD
NPI 1891488201 · Internal Medicine Physician · Boston, MA
Timothy Mikulski, MD is a Internal Medicine Physician provider in Boston, MA (NPI 1891488201).
Provider details
- NPI number
- 1891488201
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Student, Health Care
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
3 yrs in NPPES registry
- Profile completeness38% of score
83% 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
Mailing address
Registry dates
- Enumerated
- 2023-05-31
- Last updated
- 2025-05-16
- Certified
- 2025-05-16
Frequently asked questions
- What is Timothy Mikulski's NPI number?
- Timothy Mikulski's National Provider Identifier (NPI) is 1891488201, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Timothy Mikulski's specialty?
- Timothy Mikulski is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Timothy Mikulski located?
- Timothy Mikulski's practice location on file with NPPES is 800 Washington St, Boston, MA 02111-1552.
- What is Timothy Mikulski's phone number?
- The practice phone number listed in the NPPES registry for Timothy Mikulski is (617) 636-5000.
- Is Timothy Mikulski's NPI active?
- Yes — Timothy Mikulski's NPI (1891488201) is active in the NPPES registry as of the last update on 2025-05-16.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.