William Gromko, M.D.
NPI 1477565026 · Family Medicine Physician · Sandy, OR
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
William Gromko, M.D. is a Family Medicine Physician provider in Sandy, OR (NPI 1477565026).
Provider details
- NPI number
- 1477565026
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 14461 (WA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
19 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
665 Medicare services, 2024 (ranked within specialty)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 167 | $126 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 129 | $88 |
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 81 | $9 |
| Complete Blood Cell Count (red Cells, White Blood Cell, Platelets), Automated Test and Automated Differential White Blood Cell Count85025 | 48 | $8 |
| Blood Test, Comprehensive Group of Blood Chemicals80053 | 43 | $10 |
| Blood Test, Lipids (cholesterol and Triglycerides)80061 | 34 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 75 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Lisinopril | 132 | 34 |
| Oxycodone Hcl | 118 | 24 |
| Atorvastatin Calcium | 107 | 30 |
| Amlodipine Besylate | 100 | 28 |
| Losartan Potassium | 100 | 25 |
| Hydrochlorothiazide | 92 | 25 |
| Levothyroxine Sodium |
Practice location
Mailing address
Additional practice locations (1)
- 360 Lilly Rd Ne Ste BOlympia, WA 98506-5430Phone: (360) 491-8100Fax: (360) 491-7793
Registry dates
- Enumerated
- 2006-08-12
- Last updated
- 2021-05-11
- Certified
- 2021-05-11
Frequently asked questions
- What is William Gromko's NPI number?
- William Gromko's National Provider Identifier (NPI) is 1477565026, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is William Gromko's specialty?
- William Gromko is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is William Gromko located?
- William Gromko's practice location on file with NPPES is 17055 Ruben Ln, Sandy, OR 97055-9276.
- What is William Gromko's phone number?
- The practice phone number listed in the NPPES registry for William Gromko is (503) 668-8002.
- Does William Gromko accept Medicare?
- William Gromko is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is William Gromko's NPI active?
- Yes — William Gromko's NPI (1477565026) is active in the NPPES registry as of the last update on 2021-05-11.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.