MR. WILLIAM ANTHONY GROMKO (M.D.) – Family Medicine Physician, NPI 1477565026
Family Medicine Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
4,141 FAMILY PRACTICE in WA
Provider Addresses for MR. WILLIAM ANTHONY GROMKO (M.D.)
360 LILLY RD NE STE B
OLYMPIA, WA 985065430
Phone: (360) 491-8100
Fax: (360) 491-7793
Type: Mailing
360 Lilly Rd NE Ste B
Olympia, WA 985065430
Phone: (360) 491-8100
Fax: (360) 491-7793
Type: Location
17055 RUBEN LN
SANDY, OR 970559276
Phone: (503) 668-8002
Fax: (503) 668-5246
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: 2020-11-13
PECOS data refreshed: 2026-05-27
Medicare revalidation (CMS due date list)
Due date not assigned yet
CMS is tracking 2 Medicare enrollment records; no due dates published yet.
Enrollment records
2
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 |
|---|---|---|---|---|
| I20200210001154 | I | Family Practice | MN | TBD |
| I20201113001393 | I | Family Practice | MT | 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 |
|---|---|---|---|---|
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | 259 | 99 | $0 |
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | 132 | 91 | $0 |
| 36415 | Insertion of needle into vein for collection of blood sample | 100 | 63 | $0 |
| 85025 | Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count | 33 | 31 | $0 |
| G0439 | Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit | 25 | 25 | $0 |
Insurance plans in this area (ZIP 98506)
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Provider's Procedures
| Specialty | Practice State | HCPCS Code | Description | Service Count | Beneficiary Count |
|---|---|---|---|---|---|
| FAMILY MEDICINE | WA | 17003 | Destruction of 2-14 skin growths | 15 | 12 |
Group practice members
| Name | Specialty | State |
|---|---|---|
| Nurse Practitioner | MT | |
| Clinical Social Worker | MT | |
| Physician Assistant | ID | |
| Nurse Practitioner | NC |
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