Andrew Johnson, MMS, PA-C
NPI 1730778978 · Medical Physician Assistant · Costa Mesa, CA
Enrolled with Medicare as Practitioner - Physician Assistant · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Andrew Johnson, MMS, PA-C is a Medical Physician Assistant provider in Costa Mesa, CA (NPI 1730778978).
Provider details
- NPI number
- 1730778978
- Entity type
- Individual
- Primary specialty
- Medical Physician AssistantPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- MMS, PA-C
- Sex
- Male
- Sole proprietor
- Yes
- License
- PA59223 (CA)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Physician Assistants & Advanced Practice Nursing Providers
- Medical Physician Assistant363AM0700X
Physician Assistants & Advanced Practice Nursing Providers
- Surgical Physician Assistant363AS0400X
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
5 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
3 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
272 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 Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 146 | $84 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 86 | $118 |
| Psychotherapy With Evaluation and Management Visit, 30 Minutes90833 | 40 | $64 |
Typical Medicare-allowed amounts for these services range $64–$118 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 43 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Trazodone Hcl | 129 | 20 |
| Bupropion Hclbrand: Bupropion Xl | 94 | 16 |
| Sertraline Hcl | 75 | — |
| Quetiapine Fumarate | 72 | 15 |
| Clonazepam | 63 | — |
| Propranolol Hcl | 61 | — |
| Lorazepam | 60 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$5,120 across 235 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 (2)
- 125 Baker St Unit 172Costa Mesa, CA 92626-4556Phone: (619) 756-4112
- 3828 Delmas TerCulver City, CA 90232-2713Phone: (619) 756-4112
Registry dates
- Enumerated
- 2021-01-12
- Last updated
- 2025-01-08
- Certified
- 2025-01-08
Frequently asked questions
- What is Andrew Johnson's NPI number?
- Andrew Johnson's National Provider Identifier (NPI) is 1730778978, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Andrew Johnson's specialty?
- Andrew Johnson is listed in the NPPES registry with a primary specialty of Medical Physician Assistant (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Andrew Johnson located?
- Andrew Johnson's practice location on file with NPPES is 3151 Airway Ave Ste G1, Costa Mesa, CA 92626-4624.
- What is Andrew Johnson's phone number?
- The practice phone number listed in the NPPES registry for Andrew Johnson is (714) 545-5550.
- Does Andrew Johnson accept Medicare?
- Andrew Johnson is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Andrew Johnson's NPI active?
- Yes — Andrew Johnson's NPI (1730778978) is active in the NPPES registry as of the last update on 2025-01-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.