Isabella Sperling, MD
NPI 1619943750 · Internal Medicine Physician · Riverhead, NY
Isabella Sperling, MD is a Internal Medicine Physician provider in Riverhead, NY (NPI 1619943750).
Provider details
- NPI number
- 1619943750
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- Yes
- License
- 2359861 (NY)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
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
Mailing address
Registry dates
- Enumerated
- 2006-02-28
- Last updated
- 2011-03-10
Frequently asked questions
- What is Isabella Sperling's NPI number?
- Isabella Sperling's National Provider Identifier (NPI) is 1619943750, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Isabella Sperling's specialty?
- Isabella Sperling is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Isabella Sperling located?
- Isabella Sperling's practice location on file with NPPES is 632 Roanoke Ave, Riverhead, NY 11901-2728.
- What is Isabella Sperling's phone number?
- The practice phone number listed in the NPPES registry for Isabella Sperling is (631) 943-9319.
- Is Isabella Sperling's NPI active?
- Yes — Isabella Sperling's NPI (1619943750) is active in the NPPES registry as of the last update on 2011-03-10.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.