CAROLYN HOUK (M.D.) – Internal Medicine Physician, NPI 1437105335
Internal Medicine Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
4,056 INTERNAL MEDICINE in WA
Provider Addresses for CAROLYN HOUK (M.D.)
23213 Pacific Hwy S
Kent, WA 980322721
Phone: (206) 870-8880
Type: Location
1959 NE Pacific St.
Seattle, WA 981950001
Phone: (206) 520-5000
Type: Location
PO BOX 50095
SEATTLE, WA 981455095
Phone: (206) 520-5000
Type: Mailing
2505 2ND AVE STE 200
SEATTLE, WA 981211495
Phone: (206) 520-5000
Type: Location
23213, Pacific Highway South, North Highline, Kent, King County, Washington, 98032, United States
KENT, WA 980322721
Phone: (206) 870-8880
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: 2015-08-19
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 |
|---|---|---|---|---|
| I20150819007416 | 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 |
|---|---|---|---|---|
| 36415 | Insertion of needle into vein for collection of blood sample | 257 | 174 | $0 |
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | 175 | 108 | $0 |
| G0439 | Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit | 114 | 114 | $0 |
| 83036 | Hemoglobin a1c level | 85 | 58 | $0 |
| 99215 | Established patient office or other outpatient visit, 40-54 minutes | 66 | 49 | $0 |
Insurance plans in this area (ZIP 98032)
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Provider's Procedures
| Specialty | Practice State | HCPCS Code | Description | Service Count | Beneficiary Count |
|---|---|---|---|---|---|
| INTERNAL MEDICINE | WA | 90670 | Pneumococcal vaccine for injection into muscle | 20 | 20 |
Group practice members
| Name | Specialty | State |
|---|---|---|
| H E M A T O L O G Y | WA | |
| Infectious Disease | OR | |
| - | WA | |
| - | WA | |
| Family Practice | WA | |
| - | WA | |
| - | WA | |
| - | WA | |
| - | WA | |
| - | WA |
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