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DR. LORETTA SULLIVAN-CHANG MD
NPI 1972780062
Internal Medicine in Greenwood Village, CO

Active since January 30, 2008PECOS EnrolledAccepts Medicare Assignment
4950 S YOSEMITE ST # F2-365, GREENWOOD VILLAGE, CO 80111(650) 847-7287 Get Directions Write a Review

NPPES record last updated: April 28, 2025. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Dr. Loretta Sullivan-chang Md NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. LORETTA SULLIVAN-CHANG MD (NPI 1972780062) is an individual internal medicine provider in Greenwood Village, Colorado, licensed in Colorado (49624) and active in the NPI registry since January 2008. She is enrolled in Medicare PECOS, maintains a secondary practice location in Stanford, and is a graduate of University Of Colorado School Of Medicine, Denver (2005).

NPPES Registry Identity

NPI1972780062
Entity TypeIndividualFemale
Primary Taxonomy207R00000X
Provider Legal NameDR. LORETTA SULLIVAN-CHANGCredential: MD
Location Address4950 S YOSEMITE ST # F2-365Greenwood Village, CO 80111
Mailing Address4950 S Yosemite St # F2-365Greenwood Village, CO 80111-1349 · (650) 847-7287
Phone(650) 847-7287
Sole ProprietorYes
Medical School CMSUniversity Of Colorado School Of Medicine, DenverGraduated 2005
Enumeration DateJanuary 30, 2008
Last NPPES UpdateApril 28, 2025
NPPES CertifiedApril 28, 2025
✔ NPI 1972780062 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
Licenses✔ Licensed in CO · 49624✔ Licensed in CA · A100131
Definition
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
4950 S YOSEMITE ST # F2-365, Greenwood Village, CO 80111
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Other Names 1

Former Name (1)Dr. Loretta Sullivan Md

Secondary Practice Location 1

Location 1875 Blake Wilbur Dr, Stanford Cancer CenterStanford, CA 94305-5820 · Phone (650) 498-6000

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. Loretta Sullivan-chang Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID7012189640
PECOS Enrollment IDI20111024000134
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 80111 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$132.55 typical visit price
range $58.06 – $174.82
Typical copayment $33.13 (range $14.51 – $43.70)
Most-billed visit code 99204
Established Patient
$102.03 typical visit price
range $18.88 – $142.79
Typical copayment $25.50 (range $4.72 – $35.69)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Loretta Sullivan-chang's NPI number?

The NPI number for Loretta Sullivan-chang is 1972780062. It was assigned to this individual provider in the NPPES registry on January 30, 2008. The provider is also known as Dr. Loretta Sullivan MD.

Where is Loretta Sullivan-chang located?

Loretta Sullivan-chang practices at 4950 S Yosemite St # F2-365, Greenwood Village, CO 80111. The listed phone number is (650) 847-7287.

What is Loretta Sullivan-chang's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Is Loretta Sullivan-chang enrolled in Medicare?

Yes. Loretta Sullivan-chang is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

When was this NPI record last updated?

The NPPES record for Loretta Sullivan-chang was last updated on April 28, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 15 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.