Mara Tietzen, MD
NPI 1831720903 · Pediatric Sports Medicine Physician · Boston, MA
Mara Tietzen, MD is a Pediatric Sports Medicine Physician provider in Boston, MA (NPI 1831720903).
Provider details
- NPI number
- 1831720903
- Entity type
- Individual
- Primary specialty
- Pediatric Sports Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- Yes
- License
- 41268 (ZZ)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
6 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
Mailing address
Registry dates
- Enumerated
- 2020-01-28
- Last updated
- 2021-07-09
- Certified
- 2021-07-09
Frequently asked questions
- What is Mara Tietzen's NPI number?
- Mara Tietzen's National Provider Identifier (NPI) is 1831720903, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mara Tietzen's specialty?
- Mara Tietzen is listed in the NPPES registry with a primary specialty of Pediatric Sports Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Mara Tietzen located?
- Mara Tietzen's practice location on file with NPPES is 300 Longwood Ave, Boston, MA 02115-5724.
- What is Mara Tietzen's phone number?
- The practice phone number listed in the NPPES registry for Mara Tietzen is (857) 218-4924.
- Is Mara Tietzen's NPI active?
- Yes — Mara Tietzen's NPI (1831720903) is active in the NPPES registry as of the last update on 2021-07-09.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.