Zachary Ronald Grunig, PA-C
Physician Assistant · Boise, ID
Zachary Ronald Grunig, PA-C is a physician assistant with a practice address in Boise, Idaho, and NPI 1649625963, issued on Apr 25, 2016. Check the license (Idaho PA-2164, as entered in NPPES) with the Idaho board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Zachary Ronald Grunig
- Credential
- PA-C
- Primary taxonomy
- Physician Assistant 363A00000X
- License number
- PA-2164 ID
Self-reported in NPPES; status is on the state search - Practice location
- 287 W Jefferson St, Boise, ID 83702
- Phone
- (208) 322-1680
- Enumerated
- Apr 25, 2016
- Record last updated
- Nov 11, 2025
- Fax
- (208) 385-7708
- Medicare enrollment
- Enrolled (PECOS I20260115000749); accepts Medicare assignment
- Entity
- Type 1 · individual
Also registered at 287 W Jefferson St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Luciano Amado, MDClinical Cardiac Electrophysiology Physician1205035961
- Nathan Burke, ACNPC-AGAcute Care Nurse Practitioner1558074955
- Matthew Dubman, APRN-CNPAcute Care Nurse Practitioner1235943598
- Katharine Hall, NPFamily Nurse Practitioner1427611599
- Jennifer Hollon, APRN-CNPFamily Nurse Practitioner1104684620
- Megan Larson, NPNurse Practitioner1861935660
Verify Zachary Ronald Grunig in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Idaho board licenses this profession
Search for license PA-2164Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
4.0 times the Medicare Part D claims of the average physician assistant in 2024
3,349 Medicare Part D claims for 386 beneficiaries, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D. Brand-name drugs were 7% of claims. 1,844 claims were for opioids.
Most prescribed
- Hydrocodone-Acetaminophen643 claims
- Oxycodone-Acetaminophen312 claims
- Oxycodone Hcl191 claims
- Tramadol Hcl166 claims
- Gabapentin163 claims
- Cyclobenzaprine Hcl150 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Industry payments in 2024: $493.57
27 payments; by number, the most common kind was food and beverage; the largest payer was Salix Pharmaceuticals, a division of Bausch Health US, LLC. The 64,719 providers of this specialty with any payment received $841.65 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- St Lukes Clinic-Treasure Valley LLCBoise, ID
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
362 physician assistant records list a practice address in Boise
They are 362 of the 9,467 NPPES records with a practice address in Boise, and 1,250 physician assistant records in Idaho.
All 362 in Boise → All 1,250 in Idaho → Every provider in Boise →
Other physician assistant records in Idaho
- Hodaka Abe, PACaldwell, ID1013299866
- Patrick AbelTwin Falls, ID1689304917
- Mark Ackerman, PACOrofino, ID1710093612
- Alan Adams, PA-CIdaho Falls, ID1891188348
- Jonathan Adams, P.A.-CHayden, ID1285913970
- Serena Adams, PA-CIdaho Falls, ID1669543450
- Emily Adofo EmmertLewiston, ID1891641734
- Derek Ahlstrom, PABoise, ID1174096606
- Charlotte Ainge, PACPotlatch, ID1689661050
- Jeffrey Albrecht, PANampa, ID1871620435
Common questions
What is Zachary Ronald Grunig, PA-C's NPI number?
Zachary Ronald Grunig, PA-C's National Provider Identifier (NPI) is 1649625963, issued on Apr 25, 2016. An NPI identifies a provider in billing; it is not a license.
Where is Zachary Ronald Grunig, PA-C located?
The NPPES record lists a practice address at 287 W Jefferson St, Boise, ID, 83702. Phone: (208) 322-1680. Providers update this record themselves, so call before visiting.
How can I verify Zachary Ronald Grunig, PA-C's license?
NPPES lists Idaho license number PA-2164, as entered by the provider. Search the Idaho board that licenses this profession; the NPPES record confirms identity only.
How much does Zachary Ronald Grunig, PA-C prescribe under Medicare Part D?
In 2024, Zachary Ronald Grunig, PA-C had 3,349 Medicare Part D claims for 386 beneficiaries; the average among physician assistant prescribers was 830. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.