PENNAPA S CHAN MD
NPI 1457405128
Internal Medicine - Endocrinology, Diabetes & Metabolism in Madison, WI

Active since January 22, 2007PECOS EnrolledAccepts Medicare Assignment
451 JUNCTION RD, MADISON, WI 53717(608) 263-5010(608) 265-7519 Get Directions Write a Review

NPPES record last updated: December 16, 2024. Verified against the NPPES registry weekly; last sync: July 26, 2026.

Record update history: Dec 16, 2024, Oct 10, 2024 (2 updates tracked since 2024).

About Pennapa S Chan Md NPPES

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

PENNAPA S CHAN MD (NPI 1457405128) is an individual endocrinology, diabetes & metabolism provider in Madison, Wisconsin, licensed in Wisconsin (41501-020) and active in the NPI registry since January 2007. She is enrolled in Medicare PECOS, is affiliated with Unitypoint Health - Meriter, and maintains 2 additional practice locations.

NPPES Registry Identity

NPI1457405128
Entity TypeIndividualFemale
Primary Taxonomy207RE0101X
Provider Legal NamePENNAPA S CHANCredential: MD
Location Address451 JUNCTION RDMadison, WI 53717-2656
Mailing Address7974 Uw Health CtMiddleton, WI 53562-5531
Fax(608) 265-7519
Sole ProprietorNo
Medical School CMSSouthern Illinois University School Of MedicineGraduated 1998
Enumeration DateJanuary 22, 2007
Last NPPES UpdateDecember 16, 20242 updates tracked since enumeration
NPPES CertifiedDecember 16, 2024
NPI 1457405128 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyInternal Medicine · Endocrinology, Diabetes & MetabolismAllopathic & Osteopathic Physicians
Taxonomy Code207RE0101X
Licenses Licensed in WI · 41501-020 Licensed in OR · MD212597
Definition

An internist who concentrates on disorders of the internal (endocrine) glands such as the thyroid and adrenal glands. This specialist also deals with disorders such as diabetes, metabolic and nutritional disorders, obesity, pituitary diseases and menstrual and sexual problems.

451 JUNCTION RD, Madison, WI 53717

Secondary Practice Locations 2

Location 13377 Riverbend DrSpringfield, OR 97477-8803 · Phone (458) 205-6543 · Fax (458) 205-6492
Location 21313 Fish Hatchery RdMadison, WI 53715-1911 · Phone (608) 252-8000 · Fax (608) 252-8268

Other Identifiers 2

Medicaid34390100WI
Other60653WI · Dean Health Insurance

Accepted Insurance

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

Pennapa S Chan 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 ID2163418336
PECOS Enrollment IDI20040422001154
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.

Areas of Expertise CMS Part B claims 2

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more 99215
This service involves a follow-up appointment for existing patients, lasting between 40 to 54 minutes. During this time, your healthcare provider will assess your current health status, discuss any changes or concerns, review your treatment plan, and answer any questions you may have.
21 services21 patients
Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
11 services11 patients

Hospital Affiliations CMS Care Compare 2

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Unitypoint Health - Meriter

Acute Care Hospitals · Madison, WI
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number520089
Location202 S Park StMadison, WI 53715 · Dane County
Emergency services Birthing friendly

University Of Wi Hospitals & Clinics Authority

Acute Care Hospitals · Madison, WI
4/5 CMS rating
OwnershipGovernment - Hospital District or Authority
CMS Certification Number520098
Location600 Highland AvenueMadison, WI 53792 · Dane County
Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 53717 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
$123.69 typical visit price
range $53.90 – $163.24
Typical copayment $30.92 (range $13.47 – $40.81)
Most-billed visit code 99204
Established Patient
$95.41 typical visit price
range $17.40 – $133.76
Typical copayment $23.85 (range $4.35 – $33.44)
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.

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.

Physician Assistant (Medical)
451 JUNCTION RD
MADISON, WI 53717
Internal Medicine
451 JUNCTION RD
MADISON, WI 53717
Internal Medicine (Endocrinology, Diabetes & Metabolism)
451 JUNCTION RD
MADISON, WI 53717
Internal Medicine
451 JUNCTION RD
MADISON, WI 53717
Pharmacy
451 JUNCTION RD, SUITE 9901, ROOM 1191
MADISON, WI 53717
Nurse Practitioner
451 JUNCTION RD
MADISON, WI 53717
Nurse Practitioner
451 JUNCTION RD
MADISON, WI 53717
Internal Medicine
451 JUNCTION RD
MADISON, WI 53717

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 Pennapa Chan's NPI number?

The NPI number for Pennapa Chan is 1457405128. It was assigned to this individual provider in the NPPES registry on January 22, 2007.

Where is Pennapa Chan located?

Pennapa Chan practices at 451 Junction Rd, Madison, WI 53717. The listed phone number is (608) 263-5010.

What is Pennapa Chan's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Endocrinology, Diabetes & Metabolism, with taxonomy code 207RE0101X.

Is Pennapa Chan enrolled in Medicare?

Yes. Pennapa Chan 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.

What insurance does Pennapa Chan accept?

Health plans from CareSource (Common Ground Healthcare), Group Health Cooperative-SCW and Providence Health Plan list Pennapa Chan as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

Is Pennapa Chan affiliated with any hospitals?

According to CMS data, Pennapa Chan is affiliated with Unitypoint Health - Meriter and University Of Wi Hospitals & Clinics Authority.

When was this NPI record last updated?

The NPPES record for Pennapa Chan was last updated on December 16, 2024. NPI Profile syncs with the weekly NPPES data releases published by CMS.