Mary Tran, D.O.
NPI 1144255019 · Family Medicine Physician · Garden Grove, CA
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mary Tran, D.O. is a Family Medicine Physician provider in Garden Grove, CA (NPI 1144255019).
Provider details
- NPI number
- 1144255019
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- D.O.
- Sex
- Female
- Sole proprietor
- Yes
- License
- 20A6925 (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
11,256 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 | 2,478 | $99 |
| Chronic Care Management Services, First 20 Minutes of Clinical Staff Time Directed By Health Care Professional, Per Calendar Month99490 | 2,456 | $67 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 1,672 | $139 |
| Injection of Drug Or Substance Under Skin Or Into Muscle96372 | 1,173 | $16 |
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 789 | $9 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 299 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Amlodipine Besylate | 2,235 | 513 |
| Atorvastatin Calcium | 1,882 | 430 |
| Rosuvastatin Calcium | 1,802 | 426 |
| Losartan Potassium | 1,698 | 359 |
| Montelukast Sodium | 1,452 | 498 |
| Gabapentin | 1,247 | 357 |
| Metformin Hcl |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$3,708 across 117 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
- 2006-07-11
- Last updated
- 2015-06-08
Frequently asked questions
- What is Mary Tran's NPI number?
- Mary Tran's National Provider Identifier (NPI) is 1144255019, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mary Tran's specialty?
- Mary Tran is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Mary Tran located?
- Mary Tran's practice location on file with NPPES is 10741 Westminster Ave, Garden Grove, CA 92843-4919.
- What is Mary Tran's phone number?
- The practice phone number listed in the NPPES registry for Mary Tran is (714) 537-9181.
- Does Mary Tran accept Medicare?
- Mary Tran is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mary Tran's NPI active?
- Yes — Mary Tran's NPI (1144255019) is active in the NPPES registry as of the last update on 2015-06-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.