Dr. Dat Doan To, MD
- Medicare services, 2024
- 278
- Medicare patients, 2024
- 137
- Part D claims, 2024
- 78
- MIPS score, 2024
- 97
- Hospital affiliations
- 1
- Practice address
- 26520 Cactus Ave, Moreno Valley, CA 92555
- Practice phone
- Call (951) 486-4458
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Riverside University Medical Center
Moreno Valley, California
Find Dr. To's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Dr. Dat Doan To is an internist in Moreno Valley, California
Dr. To practices at Riverside University Medical Center in Moreno Valley, California.
Dr. To's NPI, 1194924233, was assigned on July 17, 2007. Dr. To graduated from Medical College Of Wisconsin in 2004. Dr. To's California license number on file is A93559.
- NPI
- 1194924233NPI Registry (opens in a new tab)
- Medicare PAC ID
- 7517049307
- NPI enumeration date
- July 17, 2007
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (951) 486-4458
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 48
- Medical school graduation
- 2004
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Dat Doan To practices at Riverside University Medical Center in Moreno Valley, California
Dr. To's primary practice is Riverside University Medical Center, at 26520 Cactus Ave, Moreno Valley, CA 92555 in Riverside County. The practice phone is (951) 486-4458.
- Riverside University Medical Center26520 Cactus Ave, Moreno Valley, CA 92555 · Riverside CountyPhone(951) 486-4458
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Dat Doan To is affiliated with 2 sites of care and 1 medical group
Dr. To's primary practice is Riverside University Medical Center in Moreno Valley, California. Dr. To is also affiliated with Riverside University Health System - Medical Center. The medical group on file is Riverside Faculty Medical Group.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Dat Doan To's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. To practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Riverside University Medical Center | Available with a free account |
| +1 more affiliated site | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Dat Doan To is one of 16,751 internists in California
Internal medicine is Dr. To's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. To is board certified in internal medicine by the American Board of Internal Medicine. Dr. To has a license on file in California.
Specialties and state licenses
- Internal medicine, CaliforniaPrimary
Clinical focus
Dmand AI lists gastrointestinal bleeding, kidney failure, sepsis and stroke among the conditions Dr. To treats.
Internists near Dr. To
Counts of internists 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. Dat Doan To billed Medicare for 278 services in 2024
CMS data shows 278 Medicare services from Dr. To across 5 procedure codes in 2024, for 137 Medicare patients. Medicare paid $21,210 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. To's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 2502024: 27811%
Dr. To compared with the California median for internists, 2024
- Dr. To
- California median
- Medicare services
- 278vs 36123% below
- Medicare patients
- 137vs 1519% below
- Part D claims
- 11vs 42197% below
Medians across 15,815 internists in California with Dmand AI profiles that report each measure.
Dr. To'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.
Need commercial claims for Dr. To?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. To and other internists in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Dat Doan To treated 137 Medicare patients in 2024, average age 72
CMS counts 137 Medicare patients who saw Dr. To in 2024. The largest group is 65 to 74, with 48 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 82% are also on Medicaid. Their average risk score is 3.70, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Dr. To's median patient age at 61, with 46% women.
Dr. To's Medicare patients by age, 2024
Dr. To's Medicare patients by sex, 2024
- Women7454%
- Men6346%
Chronic conditions among Dr. To's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Diabetes65%
- Chronic kidney disease63%
- Arthritis57%
- Heart failure56%
- Mood disorders53%
- Ischemic heart disease51%
Share of Medicare patients with each condition. A patient can have several.
Dr. To's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 61
Patient panel by sex, all payers
- Women46%
- Men54%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Dat Doan To wrote 78 Medicare Part D claims in 2024
In 2024, Dr. To wrote 78 Medicare Part D claims for 29 patients. 73% of them were for generic drugs. CMS names the drug for 11 of them, across 1 drug with 11 or more claims each, at $159 in total drug cost. In 2018, CMS named 35 claims across 3 drugs.
Dr. To's Part D claims by kind of drug, 2024
- Generic57 claims73%
- Brand-name21 claims27%
Dr. To's most prescribed drugs by claims, 2019
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, 2018 to 2019
- 2018
- 2019
- Claims for drugs CMS names
- 2018: 352019: 1169%
Drugs named by CMS: 1 in 2019, 3 in 2018.
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. Dat Doan To scored 97 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 97 out of 100 for Dr. To for performance year 2024, reported as part of a group. Dr. To accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Dr. To's MIPS scores, performance year 2024
- 97of 100Final score
- 84.1of 100Quality
- 96of 100Promoting Interoperability
- 40of 100Improvement Activities
- 77of 100Cost
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Sources: Doctors and Clinicians National Downloadable File (CMS); and Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026
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Dr. Dat Doan To received $111 in industry payments in 2024
CMS Open Payments shows 1 general payment to Dr. To from 1 drug or device company in 2024. Food and beverage make up the largest share, 100% of the total. Scpharmaceuticals Inc. paid the most, $111.
Companies that paid Dr. To the most, 2024 to 2024
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Dat Doan To graduated from Medical College Of Wisconsin
Dr. To graduated from Medical College Of Wisconsin in 2004.
- Medical school
- Board certified in internal medicine
- Board certified in obesity medicine
Source: Dmand AI Professional Profile Data
Dr. Dat Doan To accepts plans from 2 insurance carriers
Dr. To is in network with 2 carriers, including Molina and CMS Medicare. Medicare plans come from the most carriers, 2. Check the plan with the practice before a visit.
- Molina
- CMS Medicare
Plan types Dr. To accepts, by number of carriers
- Medicare2
- HMO1
Source: Dmand AI Insurance Network Data
Sources for Dr. Dat Doan To's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation DataDmand AI Org Hierarchy Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare 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 percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| Insurance carriers and plan types | Dmand AI Insurance Network Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Dat Doan To
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. Dat Doan To's NPI number?
Dr. Dat Doan To's NPI number is 1194924233. It was assigned on July 17, 2007, and it is active in the NPI Registry.
What kind of doctor is Dr. Dat Doan To?
Dr. Dat Doan To is an internist in Moreno Valley, California. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Dat Doan To practice?
Dr. To practices at 26520 Cactus Ave, Moreno Valley, CA 92555. Dr. To's primary practice is Riverside University Medical Center in Moreno Valley, California.
What is Dr. Dat Doan To's office phone number?
The practice phone on file for Dr. To is (951) 486-4458.
What is Dr. Dat Doan To's medical license number?
Dr. To's California license number on file is A93559.
Which hospitals is Dr. Dat Doan To affiliated with?
Dr. To is affiliated with Riverside University Health System - Medical Center.
What medical group is Dr. Dat Doan To part of?
Dr. To is linked to Riverside Faculty Medical Group.
Does Dr. Dat Doan To accept Medicare?
Yes. CMS data shows Dr. To billed Medicare for 278 services in 2024, and Dr. To accepts Medicare assignment.
What is Dr. Dat Doan To's MIPS score?
Dr. To's MIPS final score for performance year 2024 is 97 out of 100, reported as part of a group.
How many Medicare patients does Dr. Dat Doan To see?
CMS counts 137 Medicare patients who saw Dr. To in 2024, with an average age of 72.
Show 7 more questionsShow fewer questions
Is Dr. Dat Doan To board certified?
Yes. Dr. To is board certified in internal medicine by the American Board of Internal Medicine.
What services does Dr. Dat Doan To bill to Medicare?
In 2024, Dr. To's most billed Medicare services were hospital inpatient care (99232), hospital inpatient care (99233) and hospital inpatient care (99238).
Where did Dr. Dat Doan To go to medical school?
Dr. To graduated from Medical College Of Wisconsin in 2004.
What drugs does Dr. Dat Doan To prescribe most?
In 2019 Medicare Part D data, Dr. To's most prescribed drugs by claims were Atorvastatin Calcium.
Has Dr. Dat Doan To received payments from drug or device companies?
CMS Open Payments shows $111 in general payments to Dr. To from 1 company from 2024 to 2024. The largest total came from Scpharmaceuticals Inc.
How long has Dr. Dat Doan To been practicing?
Dr. To graduated from medical school in 2004, 22 years ago.
What insurance does Dr. Dat Doan To accept?
Dr. To is in network with 2 carriers, including Molina and CMS Medicare. Medicare plans come from the most carriers, 2. Check the plan with the practice before a visit.
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