PENNAPA S CHAN (MD) – Endocrinology, Diabetes & Metabolism Physician, NPI 1457405128
Endocrinology, Diabetes & Metabolism Physician
Main info
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Profile Insights
NPPES metrics only — not quality of care.
93 ENDOCRINOLOGY in OR
Provider Addresses for PENNAPA S CHAN (MD)
3377 Riverbend Dr
Springfield, OR 974778803
Phone: (458) 205-6543
Fax: (458) 205-6492
Type: Location
1313 Fish Hatchery Rd
Madison, WI 537151911
Phone: (608) 252-8000
Fax: (608) 252-8268
Type: Location
SSM Health Dean Medical Group, 1313, Fish Hatchery Road, Bay Creek, Madison, Dane County, Wisconsin, 53715, United States
MADISON, WI 537151911
Phone: (608) 252-8000
Fax: (608) 252-8268
Type: Mailing
7974 UW HEALTH CT
MIDDLETON, WI 535625531
Phone:
Type: Mailing
451 JUNCTION RD
MADISON, WI 537172656
Phone: (608) 263-5010
Fax: (608) 265-7519
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
No Open Payments data available for this provider.
This can happen when there are no reportable CMS Open Payments records.
Medicare Enrollment & Revalidation
Source: CMS public data · Not endorsed by CMS ·
Educational use only—not medical, billing, or legal advice.
PECOS enrollment status
Participating (accepts Medicare assignment)
Enrollment effective: 2004-04-22
PECOS data refreshed: 2026-05-27
Medicare revalidation (CMS due date list)
Due date not assigned yet
CMS is tracking this Medicare enrollment for revalidation, but has not published a due date.
Enrollment records
1
Earliest due date
Not assigned (TBD)
CMS data updated
2026-06-01
Revalidation progress
- Medicare enrolled
- On CMS revalidation list
- Due date assigned
- Revalidate in PECOS
CMS enrollment records
| Enrollment ID | Type | Specialty | State | Due date |
|---|---|---|---|---|
| I20040422001154 | I | Endocrinology | WI | TBD |
What to do next
- No action required while the due date shows TBD.
- Check the CMS Revalidation Lookup Tool periodically — CMS updates the list about every 60 days.
- Do not submit a revalidation application in PECOS until CMS publishes a concrete due date.
Prepare CMS-855 application → · Look up this NPI in PECOS → · Verify on CMS PECOS
Medicare Utilization (FFS)
Source: CMS public data · Not endorsed by CMS · Beneficiary counts under 11 are suppressed in source data ·
Educational use only—not medical, billing, or legal advice.
Top Medicare procedures (2023) · refreshed 2026-05-27
| HCPCS | Description | Services | Beneficiaries | Medicare allowed |
|---|---|---|---|---|
| 99215 | Established patient office or other outpatient visit, 40-54 minutes | 44 | 40 | $0 |
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | 30 | 26 | $0 |
| 83036 | Hemoglobin a1c level | 20 | 15 | $0 |
| 95251 | Continuous monitoring of blood sugar level in tissue fluid using sensor under skin with interpretation and report | 14 | 11 | $0 |
Insurance plans in this area (ZIP 97477)
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Provider's Procedures
| Specialty | Practice State | HCPCS Code | Description | Service Count | Beneficiary Count |
|---|---|---|---|---|---|
| ENDOCRINOLOGY | WI | 83036 | Hemoglobin A1C level | 24 | 21 |
Group practice members
| Name | Specialty | State |
|---|---|---|
| - | WI | |
| - | WI | |
| Nurse Practitioner | WI | |
| Nurse Practitioner | WI | |
| Family Practice | WI | |
| - | WI | |
| - | WI | |
| - | WI | |
| Endocrinology, Internal Medicine | WI | |
| Medical Oncology, Hematology/Oncology | CA |
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