Craig Chase, PA-C
NPI 1861699621 · Physician Assistant · Walnut, CA
Enrolled with Medicare as Practitioner - Physician Assistant · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Craig Chase, PA-C is a Physician Assistant provider in Walnut, CA (NPI 1861699621).
Provider details
- NPI number
- 1861699621
- Entity type
- Individual
- Primary specialty
- Physician AssistantPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- PA-C
- Sex
- Male
- Sole proprietor
- No
- License
- PA13105 (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 tenure25% of score
19 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
3,688 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) |
|---|---|---|
| Injection of Additional New Drug Or Substance Into Vein96375 | 1,651 | $15 |
| Injection of Drug Or Substance Under Skin Or Into Muscle96372 | 728 | $13 |
| Unclassified DrugsJ3490 | 305 | $4 |
| Infusion Into a Vein for Therapy, Prevention, Or Diagnosis, 1 Hour Or Less96365 | 276 | $61 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 156 | $84 |
| Release of Unspecified Nerve64722 | 123 | $267 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 9 distinct drugs on file.
| Drug | Part D claims (2024) |
|---|---|
| Semaglutidebrand: Ozempic | 19 |
| Dextroamphetamine/Amphetaminebrand: Dextroamphetamine-Amphet Er | 14 |
| Itraconazole | 14 |
| Mirtazapine | 13 |
| Lidocaine | 12 |
| Metformin Hclbrand: Metformin Hcl Er | 12 |
| Atomoxetine Hcl | 11 |
| Escitalopram Oxalate | 11 |
| Rivaroxaban |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$72 across 3 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
Registry dates
- Enumerated
- 2007-06-27
- Last updated
- 2022-06-10
- Certified
- 2022-06-10
Frequently asked questions
- What is Craig Chase's NPI number?
- Craig Chase's National Provider Identifier (NPI) is 1861699621, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Craig Chase's specialty?
- Craig Chase is listed in the NPPES registry with a primary specialty of Physician Assistant (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Craig Chase located?
- Craig Chase's practice location on file with NPPES is 18710 Amar Rd Ste a, Walnut, CA 91789-4571.
- What is Craig Chase's phone number?
- The practice phone number listed in the NPPES registry for Craig Chase is (626) 522-6553.
- Does Craig Chase accept Medicare?
- Craig Chase is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Craig Chase's NPI active?
- Yes — Craig Chase's NPI (1861699621) is active in the NPPES registry as of the last update on 2022-06-10.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.