DR. KAREN S HIMEBAUGH (MD) – Obstetrics & Gynecology Physician, NPI 1447252507
Obstetrics & Gynecology Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
1,037 OBSTETRICS/GYNECOLOGY in WA
Provider Addresses for DR. KAREN S HIMEBAUGH (MD)
34709 9TH AVE S STE B500
FEDERAL WAY, WA 980036789
Phone: (253) 944-6950
Fax: (253) 426-6344
Type: Mailing
1715 61st Ave
Greeley, CO 806347989
Phone: (970) 336-1500
Fax: (970) 336-1505
Type: Location
501 19th Street
Suite 509
Knoxville, TN 379161853
Phone: (865) 524-3208
Fax: (865) 522-4322
Type: Location
2901 Squalicum Pkwy
Bellingham, WA 982251851
Phone: (360) 788-6360
Fax: (360) 788-6376
Type: Location
9835 N Lake Creek Pkwy
Austin, TX 787176210
Phone: (737) 229-2900
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: 2025-06-04
PECOS data refreshed: 2026-05-27
Medicare revalidation (CMS due date list)
Due date not assigned yet
CMS is tracking 7 Medicare enrollment records; no due dates published yet.
Enrollment records
7
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 |
|---|---|---|---|---|
| I20080908000454 | I | Obstetrics/Gynecology | TN | TBD |
| I20191206001150 | I | Obstetrics/Gynecology | NM | TBD |
| I20191210000755 | I | Obstetrics/Gynecology | WA | TBD |
| I20201130001310 | I | Obstetrics/Gynecology | CO | TBD |
| I20221201002014 | I | Obstetrics/Gynecology | MT | TBD |
| I20240913000256 | I | Obstetrics/Gynecology | TX | TBD |
| I20250604002194 | I | Obstetrics/Gynecology | WY | 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.
No Medicare fee-for-service utilization data available for this provider in our database.
Insurance plans in this area (ZIP 98003)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| - | TN | |
| Nurse Practitioner | TN | |
| - | TN | |
| Nurse Practitioner | TN | |
| - | TN | |
| - | TN | |
| Infectious Disease, Internal Medicine | TN | |
| Family Practice, Preventive Medicine | TN | |
| Nurse Practitioner | SC |
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