Robert Grigg, PA
NPI 1407371941 · Physician Assistant · Chico, CA
Enrolled with Medicare as Practitioner - Physician Assistant · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Robert Grigg, PA is a Physician Assistant provider in Chico, CA (NPI 1407371941).
Provider details
- NPI number
- 1407371941
- Entity type
- Individual
- Primary specialty
- Physician AssistantPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- PA
- Sex
- Male
- Sole proprietor
- No
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
- Physician Assistant363A00000X
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
8 yrs in NPPES registry
- Profile completeness25% of score
83% of core fields populated
- Practice footprint15% of score
4 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
3,888 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
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 .
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 | 1,161 | $113 |
| 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 | 615 | $14 |
| Telephone Medical Discussion With Physician, 11-20 Minutes99442 | 318 | $80 |
| Injection of Drug Or Substance Under Skin Or Into Muscle96372 | 281 | $13 |
| Management Using the Results of Remote Vital Sign Monitoring Per Calendar Month, First 20 Minutes99457 | 209 | $44 |
| Remote Monitoring of Physiologic Parameters, Initial Supply of Devices With Daily Recordings Or Programmed Alerts Transmission, Each 30 Days |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 145 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Hydrocodone/Acetaminophenbrand: Hydrocodone-Acetaminophen | 421 | 51 |
| Levothyroxine Sodium | 339 | 98 |
| Atorvastatin Calcium | 335 | 107 |
| Amlodipine Besylate | 241 | 75 |
| Losartan Potassium | 227 | 66 |
| Gabapentin | 202 | 60 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$1,385 across 83 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Additional practice locations (3)
- 6225 Forest LnParadise, CA 95969-3512Phone: (530) 327-4198
- 5125 SkywayParadise, CA 95969-5624Phone: (530) 872-2000
- 6225 Forest LnParadise, CA 95969-3512Phone: (530) 327-4198
Registry dates
- Enumerated
- 2017-08-05
- Last updated
- 2020-03-16
- Certified
- 2020-03-16
Frequently asked questions
- What is Robert Grigg's NPI number?
- Robert Grigg's National Provider Identifier (NPI) is 1407371941, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Robert Grigg's specialty?
- Robert Grigg is listed in the NPPES registry with a primary specialty of Physician Assistant (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Robert Grigg located?
- Robert Grigg's practice location on file with NPPES is 277 Cohasset Rd, Chico, CA 95926.
- What is Robert Grigg's phone number?
- The practice phone number listed in the NPPES registry for Robert Grigg is (530) 877-7200.
- Does Robert Grigg accept Medicare?
- Robert Grigg is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Robert Grigg's NPI active?
- Yes — Robert Grigg's NPI (1407371941) is active in the NPPES registry as of the last update on 2020-03-16.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.