Dr. Hanh Thi Tran, DO

  • Fremont, CA
  • OB-GYN
NPI1154554228PAC ID4385861202
Medicare services, 2024
114
Medicare patients, 2024
74
Part D claims, 2024
158
MIPS score, 2024
88
Hospital affiliations
1
Practice address
2299 Mowry Ave, Fremont, CA 94538
Practice phone
Call (415) 791-3438
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Washington Outpatient Surgery Center

Surgery Center - Medicare-Certified · Fremont, California

See all 5 affiliations

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Dr. Hanh Thi Tran is an OB-GYN in Fremont, California

Dr. Tran practices at Washington Outpatient Surgery Center in Fremont, California.

Dr. Tran's NPI, 1154554228, was assigned on August 24, 2009. Dr. Tran graduated from Touro University California - Vallejo in 2009. Dr. Tran's California license number on file is 20A13408.

NPI and contact details
Medicare PAC ID
4385861202
NPI enumeration date
August 24, 2009
NPI status
Active
Accepts Medicare assignment
Yes
Offers telehealth
Yes
Practice phone
(415) 791-3438
Professional email
Get email
Personal email
Get email
Mobile number
Get number
Sex
Female
Estimated age
43
Medical school graduation
2009

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)

Dr. Hanh Thi Tran practices at Washington Outpatient Surgery Center in Fremont, California

Dr. Tran's primary practice is Washington Outpatient Surgery Center, at 2299 Mowry Ave, Fremont, CA 94538. The practice phone is (415) 791-3438.

  • Washington Outpatient Surgery Center
    2299 Mowry Ave, Fremont, CA 94538Phone(415) 791-3438

Source: Dmand AI Affiliation Data

Dr. Hanh Thi Tran is affiliated with 3 sites of care and 2 medical groups

Dr. Tran's primary practice is Washington Outpatient Surgery Center in Fremont, California. Dr. Tran is also affiliated with Washington Health. The medical group on file is Washington Health Medical Group. Dmand AI also links Dr. Tran to 1 more group practice or clinic and 1 medical group, each named with a free account.

See all 5 affiliations for Dr. Tran

Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data

Dmand AI tracks the EHR system at Dr. Hanh Thi Tran's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Tran practices, 3 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Washington Outpatient Surgery CenterAvailable with a free account
+2 more sites and 1 medical groupAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Hanh Thi Tran is one of 4,642 OB-GYNs in California

Obstetrics and gynecology is Dr. Tran's primary specialty in the NPI Registry, under taxonomy code 207V00000X. Dr. Tran is board certified in obstetrics & gynecology by the American Board of Obstetrics and Gynecology. Dmand AI has Dr. Tran's licenses on file in 3 states: California, Florida and New Jersey.

Specialties and state licenses

  • Obstetrics and gynecology, CaliforniaPrimaryLicense 20A13408 · 2014 to 2025 · taxonomy 207V00000X
  • Internal medicine, FloridaLicense U02218 · taxonomy 207R00000X
  • New Jersey licenseLicense U02218 · 2012 to 2015

Clinical focus

Dmand AI lists hysterectomy, menopause, pelvic prolapse, UTI and vaginal infection among the conditions Dr. Tran treats.

OB-GYNs near Dr. Tran

Counts of OB-GYNs with a Dmand AI profile, by place and practice. Each opens the list.

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks

Dr. Hanh Thi Tran billed Medicare for 114 services in 2024

CMS data shows 114 Medicare services from Dr. Tran across 3 procedure codes in 2024, for 74 Medicare patients. Medicare paid $8,710 for them. Every service was in an office.

Medicare services, 2024114
Medicare patients74
Paid by Medicare$8,710
Procedure codes3

Dr. Tran's Medicare services by type, 2023 to 2024

  • 2023
  • 2024
Office and hospital visits
2023: 242024: 81238%
Other services
2023: 262024: 3327%

Dr. Tran compared with the California median for OB-GYNs, 2024

  • Dr. Tran
  • California median
Medicare services
114vs 5897% above
Medicare patients
74vs 5242% above
Part D claims
104vs 353.0 times

Medians across 3,823 OB-GYNs in California with Dmand AI profiles that report each measure.

Dr. Tran's most billed Medicare procedure codes, 2024

CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.

See all procedures by Dr. Tran

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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks

Dr. Hanh Thi Tran treated 74 Medicare patients in 2024, average age 70

CMS counts 74 Medicare patients who saw Dr. Tran in 2024. The largest group is 65 to 74, with 38 patients. 75% of them have high cholesterol, and 70% have high blood pressure. 31% are also on Medicaid. Their average risk score is 0.94, where 1.00 is the Medicare average.

Across all payers, Dmand AI patient panel data puts Dr. Tran's median patient age at 41, with 98% women.

Medicare patients, 202474
Average age70
Average risk score0.94
Also on Medicaid31%

Dr. Tran's Medicare patients by age, 2024

CMS leaves out age groups with fewer than 11 patients.

Chronic conditions among Dr. Tran's Medicare patients, 2024

  1. High cholesterol75%
  2. High blood pressure70%
  3. Arthritis54%
  4. Diabetes39%
  5. Osteoporosis27%
  6. Asthma26%
  7. Anxiety24%
  8. Chronic kidney disease23%

Share of Medicare patients with each condition. A patient can have several.

Dr. Tran's patients across all payers

Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.

Patient panel by age, all payers

Median age 41

Patient panel by sex, all payers

  • Women98%
  • Men1%

Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data

Dr. Hanh Thi Tran wrote 158 Medicare Part D claims in 2024

In 2024, Dr. Tran wrote 158 Medicare Part D claims for 67 patients. 94% of them were for generic drugs. CMS names the drug for 104 of them, across 3 drugs with 11 or more claims each, at $4,080 in total drug cost. In 2023, CMS named 68 claims across 3 drugs.

Part D claims, 2024158
Drugs named by CMS3
Total drug cost$4,080
Part D patients67

Dr. Tran's Part D claims by kind of drug, 2024

  • Generic148 claims94%
  • Brand-name and other10 claims6%

Dr. Tran's most prescribed drugs by claims, 2024

CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.

Part D claims for drugs CMS names, 2023 to 2024

  • 2023
  • 2024
Claims for drugs CMS names
2023: 682024: 10453%

Drugs named by CMS: 3 in 2024, 3 in 2023.

See all prescribing by Dr. Tran

Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data

Dr. Hanh Thi Tran scored 88 out of 100 in Medicare's MIPS program for 2024

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 88 out of 100 for Dr. Tran for performance year 2024, reported as part of a group. Dr. Tran accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Tran as offering telehealth.

Accepts Medicare assignment
Yes
Offers telehealth
Yes

Dr. Tran's MIPS scores, performance year 2024

  • 88of 100Final score
  • 66.5of 100Quality
  • 100of 100Promoting Interoperability
  • 40of 100Improvement Activities
  • 76of 100Cost

Each score is out of 100. The final score weighs the categories CMS scored for this clinician.

Removal of the uterus: 1 to 10 procedures (CMS shows small counts as a range)

Sources: Doctors and Clinicians National Downloadable File (CMS); Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026; and Doctors and Clinicians Utilization Data (CMS)

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Dr. Hanh Thi Tran received $48 in industry payments from 2017 to 2024

CMS Open Payments shows 4 general payments to Dr. Tran from 4 drug and device companies from 2017 to 2024. Food and beverage make up the largest share, 100% of the total. Allergan Inc. paid the most, $16.

General payments to Dr. Tran by program year, 2017 to 2024

Companies that paid Dr. Tran the most, 2017 to 2024

Share is of all general payments to this clinician.

See all payments to Dr. Tran

Source: Open Payments (CMS), 2025 data, released July 7, 2026

Dr. Hanh Thi Tran graduated from Touro University California - Vallejo

Dr. Tran graduated from Touro University California - Vallejo in 2009.

  1. Medical schoolTouro University California - Vallejo
  2. Board certified in obstetrics & gynecologyAmerican Board of Obstetrics and Gynecology

Source: Dmand AI Professional Profile Data

Dr. Hanh Thi Tran accepts plans from 16 insurance carriers

Dr. Tran is in network with 16 carriers, including Aetna, Blue Cross Blue Shield of Michigan and United Healthcare. PPO plans come from the most carriers, 10. Check the plan with the practice before a visit.

  • Aetna
  • Blue Cross Blue Shield of Michigan
  • United Healthcare
  • Elevance
  • HCSC
  • Blue Cross Blue Shield of Massachusetts
  • Humana
  • Regence Health Plans
  • +8 more carriersWith a free account

Plan types Dr. Tran accepts, by number of carriers

  1. PPO10
  2. Medicare9
  3. HMO6
  4. EPO4
  5. POS4

Source: Dmand AI Insurance Network Data

Sources for Dr. Hanh Thi Tran's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneDmand AI Affiliation Data
Primary practice, affiliations and health systemDmand AI Affiliation DataDmand AI Org Hierarchy Data
Medicare services and procedure codesMedicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab)
State medians for the same specialtyDmand AI Peer Benchmarks
Medicare patients and the all-payer patient panelDmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab)
Part D prescribingMedicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab)
MIPS scores, telehealth, assignment and procedure percentilesDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab)Doctors and Clinicians Utilization Data (CMS) (opens in a new tab)
Industry paymentsOpen Payments (CMS) (opens in a new tab)
Training, board certification and membershipsDmand AI Professional Profile Data
Insurance carriers and plan typesDmand AI Insurance Network Data
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand AI Affiliation Data

Data last refreshed October 2026Report an inaccuracyRemove my information

FAQ

Frequently asked questions about Dr. Hanh Thi Tran

Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.

What is Dr. Hanh Thi Tran's NPI number?

Dr. Hanh Thi Tran's NPI number is 1154554228. It was assigned on August 24, 2009, and it is active in the NPI Registry.

What kind of doctor is Dr. Hanh Thi Tran?

Dr. Hanh Thi Tran is an OB-GYN in Fremont, California. The primary specialty in the NPI Registry is Obstetrics & Gynecology Physician (taxonomy code 207V00000X).

Where does Dr. Hanh Thi Tran practice?

Dr. Tran practices at 2299 Mowry Ave, Fremont, CA 94538. Dr. Tran's primary practice is Washington Outpatient Surgery Center in Fremont, California. Dmand AI also links Dr. Tran to 1 group practice or clinic and 1 medical group.

What is Dr. Hanh Thi Tran's office phone number?

The practice phone on file for Dr. Tran is (415) 791-3438.

What is Dr. Hanh Thi Tran's medical license number?

Dr. Tran's California license number on file is 20A13408, one of the licenses on file in 3 states.

Which states has Dr. Hanh Thi Tran been licensed in?

Dmand AI has state licenses on file for Dr. Tran in California (2014 to 2025), Florida and New Jersey (2012 to 2015).

Which hospitals is Dr. Hanh Thi Tran affiliated with?

Dr. Tran is affiliated with Washington Health.

What medical group is Dr. Hanh Thi Tran part of?

Dr. Tran is linked to Washington Health Medical Group. Dmand AI links Dr. Tran to 1 more medical group.

Does Dr. Hanh Thi Tran accept Medicare?

Yes. CMS data shows Dr. Tran billed Medicare for 114 services in 2024, and Dr. Tran accepts Medicare assignment.

Does Dr. Hanh Thi Tran offer telehealth?

Yes. The CMS Doctors and Clinicians file lists Dr. Tran as offering telehealth services.

Show 9 more questionsShow fewer questions

What is Dr. Hanh Thi Tran's MIPS score?

Dr. Tran's MIPS final score for performance year 2024 is 88 out of 100, reported as part of a group.

How many Medicare patients does Dr. Hanh Thi Tran see?

CMS counts 74 Medicare patients who saw Dr. Tran in 2024, with an average age of 70.

Is Dr. Hanh Thi Tran board certified?

Yes. Dr. Tran is board certified in obstetrics & gynecology by the American Board of Obstetrics and Gynecology.

What services does Dr. Hanh Thi Tran bill to Medicare?

In 2024, Dr. Tran's most billed Medicare services were office visit, established patient (99213), medicare service (G0101) and office visit, established patient (99214).

Where did Dr. Hanh Thi Tran go to medical school?

Dr. Tran graduated from Touro University California - Vallejo in 2009.

What drugs does Dr. Hanh Thi Tran prescribe most?

In 2024 Medicare Part D data, Dr. Tran's most prescribed drugs by claims were Estradiol, Fluconazole and Clotrimazole-Betamethasone.

Has Dr. Hanh Thi Tran received payments from drug or device companies?

CMS Open Payments shows $48 in general payments to Dr. Tran from 4 companies from 2017 to 2024. The largest total came from Allergan Inc.

How long has Dr. Hanh Thi Tran been practicing?

Dr. Tran graduated from medical school in 2009, 17 years ago.

What insurance does Dr. Hanh Thi Tran accept?

Dr. Tran is in network with 16 carriers, including Aetna, Blue Cross Blue Shield of Michigan and United Healthcare. PPO plans come from the most carriers, 10. Check the plan with the practice before a visit.

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