Michael Grodesky, ARNP
NPI 1164440434 · Adult Health Nurse Practitioner · Seattle, WA
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Michael Grodesky, ARNP is a Adult Health Nurse Practitioner provider in Seattle, WA (NPI 1164440434).
Provider details
- NPI number
- 1164440434
- Entity type
- Individual
- Primary specialty
- Adult Health Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- ARNP
- Sex
- Male
- Sole proprietor
- No
- License
- RN00154484 (WA)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Nursing Service Providers
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
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
252 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 Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 126 | $61 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 61 | $89 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 30 | $128 |
| Visit Complexity Inherent to Evaluation and Management Associated With Medical Care Services That Serve As the Continuing Focal Point for All Needed Health Care Services And/Or With Medical Care Services That Are Part of Ongoing Care Related to a Patient'SG2211 | 19 | $15 |
| Established Patient Office Or Other Outpatient Visit With Straightforward Medical Decision Making, If Using Time, 10 Minutes Or More99212 | 16 | $32 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 52 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 173 | 41 |
| Gabapentin | 83 | 20 |
| Omeprazole | 62 | 19 |
| Amlodipine Besylate | 57 | 19 |
| Losartan Potassium | 54 | 18 |
| Levothyroxine Sodium | 52 | 11 |
| Albuterol Sulfate |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-07-17
- Last updated
- 2007-10-11
Frequently asked questions
- What is Michael Grodesky's NPI number?
- Michael Grodesky's National Provider Identifier (NPI) is 1164440434, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Michael Grodesky's specialty?
- Michael Grodesky is listed in the NPPES registry with a primary specialty of Adult Health Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Michael Grodesky located?
- Michael Grodesky's practice location on file with NPPES is 1959 Ne Pacific St, Seattle, WA 98195-0001.
- What is Michael Grodesky's phone number?
- The practice phone number listed in the NPPES registry for Michael Grodesky is (206) 598-8750.
- Does Michael Grodesky accept Medicare?
- Michael Grodesky is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Michael Grodesky's NPI active?
- Yes — Michael Grodesky's NPI (1164440434) is active in the NPPES registry as of the last update on 2007-10-11.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.