Loretta Sullivan-Chang, MD
NPI 1972780062 · Internal Medicine Physician · Greenwood Village, CO
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Loretta Sullivan-Chang, MD is a Internal Medicine Physician provider in Greenwood Village, CO (NPI 1972780062).
Provider details
- NPI number
- 1972780062
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- Yes
- License
- A100131 (CA)
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
2 documented practice locations
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
Additional practice locations (1)
- 875 Blake Wilbur DrStanford Cancer CenterStanford, CA 94305-5820Phone: (650) 498-6000
Registry dates
- Enumerated
- 2008-01-30
- Last updated
- 2025-04-28
- Certified
- 2025-04-28
Frequently asked questions
- What is Loretta Sullivan-Chang's NPI number?
- Loretta Sullivan-Chang's National Provider Identifier (NPI) is 1972780062, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Loretta Sullivan-Chang's specialty?
- Loretta Sullivan-Chang is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Loretta Sullivan-Chang located?
- Loretta Sullivan-Chang's practice location on file with NPPES is 4950 S Yosemite St # F2-365, Greenwood Village, CO 80111.
- What is Loretta Sullivan-Chang's phone number?
- The practice phone number listed in the NPPES registry for Loretta Sullivan-Chang is (650) 847-7287.
- Does Loretta Sullivan-Chang accept Medicare?
- Loretta Sullivan-Chang is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Loretta Sullivan-Chang's NPI active?
- Yes — Loretta Sullivan-Chang's NPI (1972780062) is active in the NPPES registry as of the last update on 2025-04-28.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.