DR. JAMIN FENG (MD) – Internal Medicine Physician, NPI 1942250709
Internal Medicine Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
475 GASTROENTEROLOGY in WA
Loading map...
Provider Addresses for DR. JAMIN FENG (MD)
Kittitas Valley Healthcare Women's Health, 700, East Manitoba Avenue, Ellensburg, Kittitas County, Washington, 98926, United States
SUITE 101
ELLENSBURG, WA 989263885
Phone: (509) 925-6100
Fax: (509) 925-7604
Mailing address matches the actual address.
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
Loading prescription activity...
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: 2004-04-27
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 |
|---|---|---|---|---|
| I20040427001003 | I | Internal Medicine | WA | 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 |
|---|---|---|---|---|
| 45385 | Removal of polyps or growths of large bowel using an endoscope with mechanical snare | 148 | 148 | $0 |
| 43239 | Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope | 61 | 58 | $0 |
| 94016 | Test to measure expiratory airflow and volume initiated by patient and evaluated by provider | 59 | 59 | $0 |
| 45380 | Biopsy of large bowel using a flexible endoscope | 29 | 29 | $0 |
| G0105 | Colorectal cancer screening; colonoscopy on individual at high risk | 20 | 19 | $0 |
Insurance plans in this area (ZIP 98926)
Loading plans...
Provider's Procedures
| Specialty | Practice State | HCPCS Code | Description | Service Count | Beneficiary Count |
|---|---|---|---|---|---|
| INTERNAL MEDICINE | WA | 43235 | Diagnostic examination of esophagus, stomach, and/or upper small bowel using an endoscope | 23 | 23 |
| INTERNAL MEDICINE | WA | 45378 | Diagnostic examination of large bowel using an endoscope | 26 | 26 |
| INTERNAL MEDICINE | WA | 45385 | Removal of polyps or growths of large bowel using an endoscope | 154 | 153 |
| INTERNAL MEDICINE | WA | 93010 | Routine electrocardiogram (EKG) using at least 12 leads with interpretation and report | 61 | 55 |
Group practice members
| Name | Specialty | State |
|---|---|---|
| Nurse Practitioner | WA | |
| Emergency Medicine | WA | |
| General Surgery | WA | |
| Cardiac Electrophysiology, Internal Medicine | MN | |
| O T O L A R Y N G O L O G Y | WA | |
| Family Practice | WA | |
| Physician Assistant | WA | |
| Physician Assistant | ID | |
| - | WA | |
| O B S T E T R I C S/ G Y N E C O L O G Y | WA |
Reviews
All reviews are moderated before publication. Reviews reflect users' opinions; we do not verify the accuracy of individual reviews.
No reviews yet. Be the first to share your experience — your opinion helps families compare providers.