A Thomas Parsa, M.D.
NPI 1477652410 · Family Medicine Physician · Brea, CA
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
A Thomas Parsa, M.D. is a Family Medicine Physician provider in Brea, CA (NPI 1477652410).
Provider details
- NPI number
- 1477652410
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- A55914 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
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
1,267 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 | 453 | $137 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 278 | $96 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 143 | $140 |
| Annual Depression Screening, 5 to 15 MinutesG0444 | 127 | $21 |
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 124 | $9 |
| Office Or Other Outpatient Visit for the Evaluation and Management of Established Patient That May Not Require Presence of Healthcare Professional99211 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 136 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Rosuvastatin Calcium | 584 | 179 |
| Levothyroxine Sodium | 450 | 133 |
| Atorvastatin Calcium | 327 | 112 |
| Losartan/Hydrochlorothiazidebrand: Losartan-Hydrochlorothiazide | 301 | 100 |
| Pantoprazole Sodium | 299 | 109 |
| Metformin Hcl | 298 | 99 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$502 across 24 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
- 2006-09-22
- Last updated
- 2008-12-16
Frequently asked questions
- What is A Thomas Parsa's NPI number?
- A Thomas Parsa's National Provider Identifier (NPI) is 1477652410, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is A Thomas Parsa's specialty?
- A Thomas Parsa is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is A Thomas Parsa located?
- A Thomas Parsa's practice location on file with NPPES is 2864 E Imperial Hwy, Brea, CA 92821-6714.
- What is A Thomas Parsa's phone number?
- The practice phone number listed in the NPPES registry for A Thomas Parsa is (714) 996-9708.
- Does A Thomas Parsa accept Medicare?
- A Thomas Parsa is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is A Thomas Parsa's NPI active?
- Yes — A Thomas Parsa's NPI (1477652410) is active in the NPPES registry as of the last update on 2008-12-16.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.