Brett Grundl, MMS, PA-C
NPI 1578783171 · Physician Assistant · Hemet, CA
Enrolled with Medicare as Practitioner - Physician Assistant · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Brett Grundl, MMS, PA-C is a Physician Assistant provider in Hemet, CA (NPI 1578783171).
Provider details
- NPI number
- 1578783171
- Entity type
- Individual
- Primary specialty
- Physician AssistantPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- MMS, PA-C
- Sex
- Male
- Sole proprietor
- No
- License
- PA 18749 (CA)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
19 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
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 prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 78 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 308 | 88 |
| Gabapentin | 140 | 34 |
| Amlodipine Besylate | 130 | 36 |
| Benazepril Hcl | 128 | 33 |
| Ibuprofen | 128 | 33 |
| Hydrochlorothiazide | 125 | 38 |
| Metformin Hcl | 112 | 38 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2007-04-26
- Last updated
- 2011-07-05
Frequently asked questions
- What is Brett Grundl's NPI number?
- Brett Grundl's National Provider Identifier (NPI) is 1578783171, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Brett Grundl's specialty?
- Brett Grundl is listed in the NPPES registry with a primary specialty of Physician Assistant (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Brett Grundl located?
- Brett Grundl's practice location on file with NPPES is 880 N State St, Hemet, CA 92543-1459.
- What is Brett Grundl's phone number?
- The practice phone number listed in the NPPES registry for Brett Grundl is (951) 766-2462.
- Does Brett Grundl accept Medicare?
- Brett Grundl is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Brett Grundl's NPI active?
- Yes — Brett Grundl's NPI (1578783171) is active in the NPPES registry as of the last update on 2011-07-05.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.