Dr. Diana Marie Chen, MD
- Medicare services, 2024
- 2,530
- Medicare patients, 2024
- 139
- Part D claims, 2024
- 7,656
- Hospital affiliations
- 2
- Industry payments
- $25,479
- Practice address
- 4408 S Harvard E Ave, Tulsa, OK 74135
- Practice phone
- Call (918) 579-3826
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Utica Park Clinic
Tulsa, Oklahoma
Find Dr. Chen'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. Diana Marie Chen is an internist in Tulsa, Oklahoma
Dr. Chen practices at Utica Park Clinic in Tulsa, Oklahoma.
Dr. Chen's NPI, 1518919091, was assigned on May 16, 2006. Dr. Chen graduated from University of Toledo College of Medicine in 1988. Dr. Chen holds Oklahoma license 16942.
- NPI
- 1518919091NPI Registry (opens in a new tab)
- Medicare PAC ID
- 0345218608
- NPI enumeration date
- May 16, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (918) 579-3826
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 64
- Medical school graduation
- 1988
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Diana Marie Chen practices at Utica Park Clinic in Tulsa, Oklahoma
Dr. Chen's primary practice is Utica Park Clinic, at 4408 S Harvard E Ave, Tulsa, OK 74135 in Tulsa County. The practice phone is (918) 579-3826.
- Utica Park Clinic4408 S Harvard E Ave, Tulsa, OK 74135 · Tulsa CountyPhone(918) 579-3826
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Diana Marie Chen is affiliated with 4 sites of care and 1 medical group
Dr. Chen's primary practice is Utica Park Clinic in Tulsa, Oklahoma. Dr. Chen is also affiliated with Hillcrest Medical Center. The medical group on file is Utica Park Clinic. Dmand AI also links Dr. Chen to 1 more hospital and 1 group practice or clinic, each named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Diana Marie Chen's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Chen practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Utica Park Clinic | Available with a free account |
| +3 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Diana Marie Chen is one of 1,018 internists in Oklahoma
Internal medicine is Dr. Chen's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Chen is licensed in Oklahoma.
Specialties and state licenses
- Internal medicine, OklahomaPrimary
Internists near Dr. Chen
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. Diana Marie Chen billed Medicare for 2,530 services in 2024
CMS data shows 2,530 Medicare services from Dr. Chen across 18 procedure codes in 2024, for 139 Medicare patients. Medicare paid $94,791 for them. Every service was in an office.
Dr. Chen's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Drugs given in the office
- 2023: 1,1412024: 1,0805%
- Office and hospital visits
- 2023: 6282024: 88942%
- Other services
- 2023: 1542024: 25264%
- Tests and treatments
- 2023: 1502024: 1388%
- Lab and pathology
- 2023: 872024: 9711%
- Surgery
- 2023: 1662024: 7455%
- Imaging
- 2023: 122024: 0100%
Dr. Chen compared with the Oklahoma median for internists, 2024
- Dr. Chen
- Oklahoma median
- Medicare services
- 2,530vs 6364.0 times
- Medicare patients
- 139vs 24343% below
- Part D claims
- 6,957vs 28224.7 times
Medians across 969 internists in Oklahoma with Dmand AI profiles that report each measure.
Dr. Chen'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.
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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Chen and other internists in Oklahoma.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Diana Marie Chen treated 139 Medicare patients in 2024, average age 74
CMS counts 139 Medicare patients who saw Dr. Chen in 2024. The largest group is 65 to 74, with 77 patients. 75% of them have high cholesterol, and 73% have high blood pressure. Their average risk score is 1.64, 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. Chen's median patient age at 71, with 76% women.
Dr. Chen's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Chen's Medicare patients by sex, 2024
- Women10878%
- Men3122%
Chronic conditions among Dr. Chen's Medicare patients, 2024
- High cholesterol75%
- High blood pressure73%
- Mood disorders71%
- Depression67%
- Arthritis47%
- Anxiety35%
- ADHD and conduct disorders33%
- Diabetes30%
Share of Medicare patients with each condition. A patient can have several.
Dr. Chen's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 71
Patient panel by sex, all payers
- Women76%
- Men23%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Diana Marie Chen wrote 7,656 Medicare Part D claims in 2024
In 2024, Dr. Chen wrote 7,656 Medicare Part D claims for 286 patients. 85% of them were for generic drugs. CMS names the drug for 6,957 of them, across 122 drugs with 11 or more claims each, at $817,832 in total drug cost. In 2023, CMS named 7,109 claims across 134 drugs.
Dr. Chen's Part D claims by kind of drug, 2024
- Generic6,538 claims85%
- Brand-name1,090 claims14%
- Other28 claims0%
Dr. Chen'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. Chen's Part D claims, 2024
- Opioids2%126 of 7,656 claims
- Antibiotics1%98 of 7,656 claims
- Antipsychotics, patients 65 and over3%219 of 7,656 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: 7,1092024: 6,9572%
Drugs named by CMS: 122 in 2024, 134 in 2023.
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. Diana Marie Chen offers telehealth to Medicare patients
Dr. Chen accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Chen as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. Diana Marie Chen received $25,479 in industry payments from 2016 to 2025
CMS Open Payments shows 1,151 general payments to Dr. Chen from 77 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 100% of the total. AstraZeneca Pharmaceuticals LP paid the most, $3,873.
General payments to Dr. Chen by program year, 2016 to 2025
General payments to Dr. Chen by kind, 2016 to 2025
- Food and beverage$25,437100%
- Education$420%
Companies that paid Dr. Chen the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Diana Marie Chen graduated from University of Toledo College of Medicine
Dr. Chen graduated from University of Toledo College of Medicine in 1988.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Diana Marie Chen'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 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) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile 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. Diana Marie Chen
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. Diana Marie Chen's NPI number?
Dr. Diana Marie Chen's NPI number is 1518919091. It was assigned on May 16, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Diana Marie Chen?
Dr. Diana Marie Chen is an internist in Tulsa, Oklahoma. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Diana Marie Chen practice?
Dr. Chen practices at 4408 S Harvard E Ave, Tulsa, OK 74135. Dr. Chen's primary practice is Utica Park Clinic in Tulsa, Oklahoma. Dmand AI also links Dr. Chen to 1 hospital and 1 group practice or clinic.
What is Dr. Diana Marie Chen's office phone number?
The practice phone on file for Dr. Chen is (918) 579-3826.
What is Dr. Diana Marie Chen's medical license number?
Dr. Chen holds Oklahoma license 16942.
Which hospitals is Dr. Diana Marie Chen affiliated with?
Dr. Chen is affiliated with Hillcrest Medical Center. Dmand AI links Dr. Chen to 1 more hospital.
What medical group is Dr. Diana Marie Chen part of?
Dr. Chen is linked to Utica Park Clinic.
Does Dr. Diana Marie Chen accept Medicare?
Yes. CMS data shows Dr. Chen billed Medicare for 2,530 services in 2024, and Dr. Chen accepts Medicare assignment.
Does Dr. Diana Marie Chen offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Chen as offering telehealth services.
How many Medicare patients does Dr. Diana Marie Chen see?
CMS counts 139 Medicare patients who saw Dr. Chen in 2024, with an average age of 74.
Show 5 more questionsShow fewer questions
What services does Dr. Diana Marie Chen bill to Medicare?
In 2024, Dr. Chen's most billed Medicare services were injected or infused drug (J0897), care management and other visits (99454) and office visit, established patient (99214).
Where did Dr. Diana Marie Chen go to medical school?
Dr. Chen graduated from University of Toledo College of Medicine in 1988.
What drugs does Dr. Diana Marie Chen prescribe most?
In 2024 Medicare Part D data, Dr. Chen's most prescribed drugs by claims were Trazodone HCl, Rosuvastatin Calcium and Atorvastatin Calcium.
Has Dr. Diana Marie Chen received payments from drug or device companies?
CMS Open Payments shows $25,479 in general payments to Dr. Chen from 77 companies from 2016 to 2025. The largest total came from AstraZeneca Pharmaceuticals LP.
How long has Dr. Diana Marie Chen been practicing?
Dr. Chen graduated from medical school in 1988, 38 years ago.
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