Steven Diamond, MD
NPI 1861481244 · Family Medicine Physician · Rockford, IL
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Steven Diamond, MD is a Family Medicine Physician provider in Rockford, IL (NPI 1861481244).
Provider details
- NPI number
- 1861481244
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- Yes
- License
- 036376054 (IL)
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
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
- 2005-10-18
- Last updated
- 2014-09-02
Frequently asked questions
- What is Steven Diamond's NPI number?
- Steven Diamond's National Provider Identifier (NPI) is 1861481244, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Steven Diamond's specialty?
- Steven Diamond is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Steven Diamond located?
- Steven Diamond's practice location on file with NPPES is 5727 Strathmoor Dr, Rockford, IL 61107-5180.
- What is Steven Diamond's phone number?
- The practice phone number listed in the NPPES registry for Steven Diamond is (815) 397-3337.
- Does Steven Diamond accept Medicare?
- Steven Diamond is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Steven Diamond's NPI active?
- Yes — Steven Diamond's NPI (1861481244) is active in the NPPES registry as of the last update on 2014-09-02.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.