Dr. Tanya Hoa Dam, DO

  • Modesto, CA
  • Gastroenterologist
NPI1104105030PAC ID3577728815
Medicare services, 2024
689
Medicare patients, 2024
381
Part D claims, 2024
921
Publications
1
MIPS score, 2024
86
Practice address
1541 Florida Ave, Modesto, CA 95350
Practice phone
Call (209) 521-1533
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

First Choice Physician Partners

Modesto, California

See all 8 affiliations

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Dr. Tanya Hoa Dam is a gastroenterologist in Modesto, California

Dr. Dam practices at First Choice Physician Partners in Modesto, California.

Dr. Dam's NPI, 1104105030, was assigned on August 9, 2011. Dr. Dam graduated from Touro University Nevada in 2010. Dr. Dam's California license number on file is 20A12410.

NPI and contact details
Medicare PAC ID
3577728815
NPI enumeration date
August 9, 2011
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(209) 521-1533
Professional email
Get email
Personal email
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Mobile number
Get number
Sex
Female
Estimated age
42
Medical school graduation
2010

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

Dr. Tanya Hoa Dam practices at First Choice Physician Partners in Modesto, California

Dr. Dam's primary practice is First Choice Physician Partners, at 1541 Florida Ave, Modesto, CA 95350 in Stanislaus County. The practice phone is (209) 521-1533.

  • First Choice Physician Partners
    1541 Florida Ave, Modesto, CA 95350 · Stanislaus CountyPhone(209) 521-1533

Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data

Dr. Tanya Hoa Dam is affiliated with 6 sites of care and 2 medical groups

Dr. Dam's primary practice is First Choice Physician Partners in Modesto, California. Dr. Dam is also affiliated with Memorial Medical Center. The medical group on file is Greater Modesto Medical Surgical Associates. Dmand AI also links Dr. Dam to 2 more hospitals, 2 group practices and clinics and 1 medical group, each named with a free account.

See all 8 affiliations for Dr. Dam

Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data

Dmand AI tracks the EHR system at Dr. Tanya Hoa Dam's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Dam practices, 5 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
First Choice Physician PartnersAvailable with a free account
+5 more sites and 1 medical groupAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Tanya Hoa Dam is one of 1,977 gastroenterologists in California

Gastroenterology is Dr. Dam's primary specialty in the NPI Registry, under taxonomy code 207RG0100X. Dr. Dam is board certified in gastroenterology by the AOA Board of Internal Medicine. Dmand AI has Dr. Dam's licenses on file in 3 states: California, Texas and North Carolina.

Specialties and state licenses

  • Gastroenterology, CaliforniaPrimaryLicense 20A12410 · 2012 to 2025 · taxonomy 207RG0100X
  • Texas license2011 to 2019
  • North Carolina license2013 to 2016

Clinical focus

Dmand AI lists acid reflux, chronic indigestion, chronic inflammatory bowel disease (IBD), cirrhosis of the liver, colonoscopy, gastroenteritis, gastrointestinal bleeding and hemorrhoids among the conditions Dr. Dam treats.

Gastroenterologists near Dr. Dam

Counts of gastroenterologists 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. Tanya Hoa Dam billed Medicare for 689 services in 2024

CMS data shows 689 Medicare services from Dr. Dam across 15 procedure codes in 2024, for 381 Medicare patients. Medicare paid $68,898 for them.

Medicare services, 2024689
Medicare patients381
Paid by Medicare$68,898
Procedure codes15

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

  • 2023
  • 2024
Surgery
2023: 3692024: 3967%
Office and hospital visits
2023: 1652024: 23744%
Other services
2023: 472024: 5619%

Where Dr. Dam's Medicare services took place, 2024

  • In an office14922%
  • In a facility54078%

Dr. Dam compared with the California median for gastroenterologists, 2024

  • Dr. Dam
  • California median
Medicare services
689vs 58618% above
Medicare patients
381vs 30226% above
Part D claims
711vs 38087% above

Medians across 1,875 gastroenterologists in California with Dmand AI profiles that report each measure.

Dr. Dam'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. Dam

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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Dam and other gastroenterologists in California.

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

Dr. Tanya Hoa Dam treated 381 Medicare patients in 2024, average age 72

CMS counts 381 Medicare patients who saw Dr. Dam in 2024. The largest group is 65 to 74, with 201 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 30% are also on Medicaid. Their average risk score is 1.30, where 1.00 is the Medicare average.

Across all payers, Dmand AI patient panel data puts Dr. Dam's median patient age at 67, with 63% women.

Medicare patients, 2024381
Average age72
Average risk score1.30
Also on Medicaid30%

Dr. Dam's Medicare patients by age, 2024

Dr. Dam's Medicare patients by sex, 2024

  • Women23461%
  • Men14739%

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

  1. High blood pressure75%
  2. High cholesterol75%
  3. Arthritis41%
  4. Diabetes38%
  5. Anxiety29%
  6. Chronic kidney disease28%
  7. Mood disorders27%
  8. Depression25%

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

Dr. Dam's patients across all payers

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

Patient panel by age, all payers

Median age 67

Patient panel by sex, all payers

  • Women63%
  • Men36%

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

Dr. Tanya Hoa Dam wrote 921 Medicare Part D claims in 2024

In 2024, Dr. Dam wrote 921 Medicare Part D claims for 349 patients. 73% of them were for generic drugs. CMS names the drug for 711 of them, across 19 drugs with 11 or more claims each, at $206,073 in total drug cost. In 2023, CMS named 606 claims across 17 drugs.

Part D claims, 2024921
Drugs named by CMS19
Total drug cost$206,073
Part D patients349

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

  • Generic675 claims73%
  • Brand-name235 claims26%
  • Other11 claims1%

Dr. Dam'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.

Drug classes CMS tracks in Dr. Dam's Part D claims, 2024

  • Antibiotics5%47 of 921 claims

Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.

Part D claims for drugs CMS names, 2023 to 2024

  • 2023
  • 2024
Claims for drugs CMS names
2023: 6062024: 71117%

Drugs named by CMS: 19 in 2024, 17 in 2023.

See all prescribing by Dr. Dam

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. Tanya Hoa Dam scored 86 out of 100 in Medicare's MIPS program for 2024

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 86 out of 100 for Dr. Dam for performance year 2024, reported individually. Dr. Dam accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 236 procedures of upper gastrointestinal (gi) endoscopy for acid reflux by Dr. Dam, more than 92% of the clinicians it reports for that procedure.

Accepts Medicare assignment
Yes

Dr. Dam's MIPS scores, performance year 2024

  • 86of 100Final score
  • 66.6of 100Quality
  • 100of 100Promoting Interoperability
  • 40of 100Improvement Activities

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

Where Dr. Dam ranks in Medicare procedure volume

Upper gastrointestinal (GI) endoscopy for acid reflux
92nd percentile236 procedures
Colonoscopy
91st percentile169 procedures

CMS ranks each clinician against every clinician it reports for the same procedure category.

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. Tanya Hoa Dam has 1 publication on record

Dmand AI links 1 paper to Dr. Dam in 2013. Dr. Dam's most frequent co-authors are Aftab Mahmood, MD and Salim R. Surani, MD.

Papers1

Dr. Dam's most frequent co-authors

Recent publications by Dr. Dam

See all 1 publications and co-authors

See who Dr. Dam researches with

Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Dam works with, so you can find a warm path to the right gastroenterologists.

How network discovery works

Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage

Dr. Tanya Hoa Dam received $1,334 in industry payments from 2016 to 2025

CMS Open Payments shows 36 general payments to Dr. Dam from 10 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 100% of the total. Abbvie Inc. paid the most, $447.

General payments to Dr. Dam by program year, 2016 to 2025

Companies that paid Dr. Dam the most, 2016 to 2025

Share is of all general payments to this clinician.

See all payments to Dr. Dam

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

Dr. Tanya Hoa Dam has 2 awards and honors on record

Dmand AI lists 2 awards for Dr. Dam, most recently ACG Question of the week winner in 2016.

Awards and honors for Dr. Dam

  1. 2016
    • ACG Question of the week winner
  2. 2009
    • Welch Scholarship

Source: Dmand AI Professional Profile Data

Dr. Tanya Hoa Dam graduated from Touro University Nevada

Dr. Dam graduated from Touro University Nevada in 2010. Dr. Dam is a member of ACG, AGA, AOA and ASGE.

  1. Medical schoolTouro University Nevada
  2. Board certified in gastroenterologyAOA Board of Internal Medicine
  3. Board certified in internal medicineAOA Board of Internal Medicine

Source: Dmand AI Professional Profile Data

Dr. Tanya Hoa Dam accepts plans from 15 insurance carriers

Dr. Dam is in network with 15 carriers, including Aetna, Elevance and United Healthcare. PPO plans come from the most carriers, 9. Check the plan with the practice before a visit.

  • Aetna
  • Elevance
  • United Healthcare
  • HCSC
  • Humana
  • Blue Cross Blue Shield of Massachusetts
  • Blue Cross Blue Shield of Michigan
  • Alliant Health Plans
  • +7 more carriersWith a free account

Plan types Dr. Dam accepts, by number of carriers

  1. PPO9
  2. Medicare8
  3. HMO7
  4. EPO4
  5. POS4

Source: Dmand AI Insurance Network Data

Sources for Dr. Tanya Hoa Dam'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 phoneNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data
Primary practice, affiliations and health systemNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation 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)
Publications, topics and co-authorsPubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage
Industry paymentsOpen Payments (CMS) (opens in a new tab)
Awards and committee rolesDmand AI Professional Profile Data
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. Tanya Hoa Dam

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. Tanya Hoa Dam's NPI number?

Dr. Tanya Hoa Dam's NPI number is 1104105030. It was assigned on August 9, 2011, and it is active in the NPI Registry.

What kind of doctor is Dr. Tanya Hoa Dam?

Dr. Tanya Hoa Dam is a gastroenterologist in Modesto, California. The primary specialty in the NPI Registry is Gastroenterology Physician (taxonomy code 207RG0100X).

Where does Dr. Tanya Hoa Dam practice?

Dr. Dam practices at 1541 Florida Ave, Modesto, CA 95350. Dr. Dam's primary practice is First Choice Physician Partners in Modesto, California. Dmand AI also links Dr. Dam to 2 hospitals, 2 group practices and clinics and 1 medical group.

What is Dr. Tanya Hoa Dam's office phone number?

The practice phone on file for Dr. Dam is (209) 521-1533.

What is Dr. Tanya Hoa Dam's medical license number?

Dr. Dam's California license number on file is 20A12410, one of the licenses on file in 3 states.

Which states has Dr. Tanya Hoa Dam been licensed in?

Dmand AI has state licenses on file for Dr. Dam in California (2012 to 2025), Texas (2011 to 2019) and North Carolina (2013 to 2016).

Which hospitals is Dr. Tanya Hoa Dam affiliated with?

Dr. Dam is affiliated with Memorial Medical Center. Dmand AI links Dr. Dam to 2 more hospitals.

What medical group is Dr. Tanya Hoa Dam part of?

Dr. Dam is linked to Greater Modesto Medical Surgical Associates. Dmand AI links Dr. Dam to 1 more medical group.

Does Dr. Tanya Hoa Dam accept Medicare?

Yes. CMS data shows Dr. Dam billed Medicare for 689 services in 2024, and Dr. Dam accepts Medicare assignment.

What is Dr. Tanya Hoa Dam's MIPS score?

Dr. Dam's MIPS final score for performance year 2024 is 86 out of 100, reported individually.

Show 10 more questionsShow fewer questions

How many Medicare patients does Dr. Tanya Hoa Dam see?

CMS counts 381 Medicare patients who saw Dr. Dam in 2024, with an average age of 72.

Is Dr. Tanya Hoa Dam board certified?

Yes. Dr. Dam is board certified in gastroenterology by the AOA Board of Internal Medicine.

What services does Dr. Tanya Hoa Dam bill to Medicare?

In 2024, Dr. Dam's most billed Medicare services were surgery: digestive system (43239), surgery: digestive system (45380) and office visit, established patient (99214).

Where did Dr. Tanya Hoa Dam go to medical school?

Dr. Dam graduated from Touro University Nevada in 2010.

What drugs does Dr. Tanya Hoa Dam prescribe most?

In 2024 Medicare Part D data, Dr. Dam's most prescribed drugs by claims were Omeprazole, Sod Sulf-Potass Sulf-Mag Sulf and Pantoprazole Sodium.

Has Dr. Tanya Hoa Dam received payments from drug or device companies?

CMS Open Payments shows $1,334 in general payments to Dr. Dam from 10 companies from 2016 to 2025. The largest total came from Abbvie Inc.

How long has Dr. Tanya Hoa Dam been practicing?

Dr. Dam graduated from medical school in 2010, 16 years ago.

Does Dr. Tanya Hoa Dam do research?

Dmand AI links 1 publication to Dr. Dam.

Who does Dr. Tanya Hoa Dam publish with?

Dr. Dam's most frequent co-authors are Aftab Mahmood, MD (1 shared paper) and Salim R. Surani, MD (1 shared paper).

What insurance does Dr. Tanya Hoa Dam accept?

Dr. Dam is in network with 15 carriers, including Aetna, Elevance and United Healthcare. PPO plans come from the most carriers, 9. Check the plan with the practice before a visit.

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