NPPES file of Aug 9, 2026

William Charles Gronberg, PA-C

Surgical Physician Assistant · Phoenix, AZ

William Charles Gronberg, PA-C is a surgical physician assistant with a practice address in Phoenix, Arizona, and NPI 1790930527, issued on Nov 20, 2008. Check the license (Arizona 4914, as entered in NPPES) with the Arizona board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1790930527
Name
William Charles Gronberg
Credential
PA-C
Primary taxonomy
Surgical Physician Assistant 363AS0400X
License number
4914 AZ
Self-reported in NPPES; status is on the state search
Practice location
2910 N 3RD Ave # 330, Phoenix, AZ 85013
Phone
(602) 406-8811
Enumerated
Nov 20, 2008
Record last updated
Feb 12, 2025
Fax
(602) 406-8810
Medicare enrollment
Enrolled (PECOS I20110907001232); accepts Medicare assignment
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 2910 N 3RD Ave # 330

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Samuel Barber, MDOtology & Neurotology Physician1073700969
  2. Nancy Flores, AUDAudiologist1871118984
  3. Alivia IorioPhysician Assistant1104587773
  4. Jennifer Jallo, PA-CPhysician Assistant1447508023
  5. Ameya Jategaonkar, M.D.Plastic Surgery within the Head & Neck (Otolaryngology) Physician1316301013
  6. Jaysen Moreno, AU.D.Audiologist1316730203

Verify William Charles Gronberg in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Arizona board licenses this profession
    Search for license 4914
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Find the Arizona license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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Bills Medicare through one group practice

  1. Sjhmc Physician ServicesPhoenix, AZ

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

William Charles Gronberg among 420 surgical physician assistant records in Arizona

William Charles Gronberg, PA-C is one of 420 surgical physician assistant records with a practice address in Arizona. 70% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2008, is newer than 34% of them.

  • NPI issued2008 · 34% of these records are older, 62% newer
  • In a Medicare fileYes · 70% of these records are
  • In the CMS Doctors and Clinicians fileYes · 64% of these records are
  • Graduated2008 · median 2015 among the 270 with a school on file
  • Record last updated2025 · 45% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363AS0400X and a Arizona practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Surgical Physician Assistant providers in Arizona

There are 420 surgical physician assistant records in Arizona.

The 8 surgical physician assistant records with the nearest ZIP codes

  1. Jason Apfel, PA-CPhoenix, AZ 850131134591704
  2. Meghan Bristyan, PA-CPhoenix, AZ 850131538531702
  3. Kimberly Chrisman, PA-CPhoenix, AZ 850131487679429
  4. Christina Frieh, PA-CPhoenix, AZ 850131932687498
  5. Roger Gilbert, PAPhoenix, AZ 850131851383236
  6. Claire Johnson, PA-CPhoenix, AZ 850131679825004
  7. Paul Knott, PA-CPhoenix, AZ 850131831596352
  8. Michelle Kuhn, PA-CPhoenix, AZ 850131770576241

Common questions

What is William Charles Gronberg, PA-C's NPI number?

William Charles Gronberg, PA-C's National Provider Identifier (NPI) is 1790930527, issued on Nov 20, 2008. An NPI identifies a provider in billing; it is not a license.

Where is William Charles Gronberg, PA-C located?

The NPPES record lists a practice address at 2910 N 3RD Ave # 330, Phoenix, AZ, 85013. Phone: (602) 406-8811. Providers update this record themselves, so call before visiting.

How can I verify William Charles Gronberg, PA-C's license?

NPPES lists Arizona license number 4914, as entered by the provider. Search the Arizona board that licenses this profession; the NPPES record confirms identity 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.