Mari Sperling, MD
NPI 1306036025 · Psychiatry Physician · Middlebury, CT
Mari Sperling, MD is a Psychiatry Physician provider in Middlebury, CT (NPI 1306036025).
Provider details
- NPI number
- 1306036025
- Entity type
- Individual
- Primary specialty
- Psychiatry PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- Yes
- License
- 45644 (CT)
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
18 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
- 2007-07-30
- Last updated
- 2026-02-03
- Certified
- 2026-02-03
Frequently asked questions
- What is Mari Sperling's NPI number?
- Mari Sperling's National Provider Identifier (NPI) is 1306036025, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mari Sperling's specialty?
- Mari Sperling is listed in the NPPES registry with a primary specialty of Psychiatry Physician (Allopathic & Osteopathic Physicians).
- Where is Mari Sperling located?
- Mari Sperling's practice location on file with NPPES is 530 Middlebury Rd Ste 206b, Middlebury, CT 06762-2555.
- What is Mari Sperling's phone number?
- The practice phone number listed in the NPPES registry for Mari Sperling is (203) 560-7640.
- Is Mari Sperling's NPI active?
- Yes — Mari Sperling's NPI (1306036025) is active in the NPPES registry as of the last update on 2026-02-03.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.