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GUILLERMO CHANG MD
NPI 1730140831
Obstetrics & Gynecology in Saint Paul, MN

Active since March 29, 2006PECOS Enrolled
347 SMITH AVE N, STE 203, SAINT PAUL, MN 55102(651) 241-7733 Get Directions Write a Review

NPPES record last updated: October 19, 2011. Verified against the NPPES registry weekly; last sync: August 16, 2026.

About Guillermo Chang Md NPPES

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

GUILLERMO CHANG MD (NPI 1730140831) is an individual obstetrics & gynecology provider in Saint Paul, Minnesota, licensed in Minnesota (37319) and active in the NPI registry since March 2006. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1730140831
Entity TypeIndividualMale
Primary Taxonomy207V00000X
Provider Legal NameGUILLERMO CHANGCredential: MD
Location Address347 SMITH AVE N, STE 203Saint Paul, MN 55102-2387
Mailing Address2925 Chicago AveMinneapolis, MN 55407-1321 · (612) 262-5000
Phone(651) 241-7733
Sole ProprietorNo
Enumeration DateMarch 29, 2006
Last NPPES UpdateOctober 19, 2011
✔ NPI 1730140831 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyObstetrics & GynecologyAllopathic & Osteopathic Physicians
Taxonomy Code207V00000X
License✔ Licensed in MN · 37319
Definition
An obstetrician/gynecologist possesses special knowledge, skills and professional capability in the medical and surgical care of the female reproductive system and associated disorders. This physician serves as a consultant to other physicians and as a primary physician for women.
347 SMITH AVE N, Saint Paul, MN 55102
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Other Identifiers 3

Medicare UPING32371
Medicare PIN160003428MN
Medicaid049324400MN

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Guillermo Chang Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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 55102 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
$127.61 typical visit price
range $56.00 – $168.28
Typical copayment $31.90 (range $14.00 – $42.07)
Most-billed visit code 99204
Established Patient
$69.74 typical visit price
range $18.32 – $138.04
Typical copayment $17.43 (range $4.58 – $34.51)
Most-billed visit code 99213
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

DOREATHA J BAKER CPNP
Nurse Practitioner (Pediatrics)
347 SMITH AVE N
SAINT PAUL, MN 55102
Ramsey County (651) 220-6708
PATRA ANN BORDEN MSN, APRN, NNP-BC
Nurse Practitioner (Neonatal)
347 SMITH AVE N
SAINT PAUL, MN 55102
Ramsey County (651) 220-6000
CYNTHIA J MCCARTY-DAWSON CNNP
Nurse Practitioner (Neonatal, Critical Care)
347 SMITH AVE N, CHILDRENS SPECIALTY CLINIC NICU
SAINT PAUL, MN 55102
Ramsey County (651) 220-6210
DARRELL R RASK CPNP
Nurse Practitioner (Pediatrics)
347 SMITH AVE N
SAINT PAUL, MN 55102
Ramsey County (651) 220-6818
NANCY J MENDELSOHN MD
Medical Genetics (Clinical Genetics (M.D.))
347 SMITH AVE N
SAINT PAUL, MN 55102
Ramsey County (651) 220-6884
ELIN ANN NELSON NP
Nurse Practitioner (Family)
347 SMITH AVE N, GARDENVIEW MEDICAL BLDG, STE 204
SAINT PAUL, MN 55102
Ramsey County (651) 241-6270
SUSAN J DITMANSON MD
Obstetrics & Gynecology
347 SMITH AVE N, SUITE 203
SAINT PAUL, MN 55102
Ramsey County (651) 241-7733
ELIZABETH J SIQVELAND CPNP
Nurse Practitioner (Pediatrics)
347 SMITH AVE N, CHILDRENS SPECIALTY CLINIC-GENETICS-STPL
SAINT PAUL, MN 55102
Ramsey County (651) 220-6884

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 Guillermo Chang's NPI number?

The NPI number for Guillermo Chang is 1730140831. It was assigned to this individual provider in the NPPES registry on March 29, 2006.

Where is Guillermo Chang located?

Guillermo Chang practices at 347 Smith Ave N Ste 203, Saint Paul, MN 55102. The listed phone number is (651) 241-7733.

What is Guillermo Chang's specialty?

The primary specialty registered for this NPI is Obstetrics & Gynecology with taxonomy code 207V00000X.

Is Guillermo Chang enrolled in Medicare?

Yes. Guillermo Chang is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Guillermo Chang was last updated on October 19, 2011. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 years 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.