Dr. Tricia Grace Charles-Cowan, DO
- Medicare services, 2024
- 1,494
- Medicare patients, 2024
- 354
- Part D claims, 2024
- 3,265
- Hospital affiliations
- 3
- Industry payments
- $3,728
- Practice address
- 1030 E Florida Ave, Hemet, CA 92543
- Practice phone
- Call (951) 487-6528
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Diamond Valley Dialysis
Hemet, California
Find Dr. Charles-Cowan'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. Tricia Grace Charles-Cowan is a nephrologist in Hemet, California
Dr. Charles-Cowan practices at Diamond Valley Dialysis in Hemet, California.
Dr. Charles-Cowan's NPI, 1649526088, was assigned on August 2, 2012. Dr. Charles-Cowan holds California license 20A14022.
- NPI
- 1649526088NPI Registry (opens in a new tab)
- Medicare PAC ID
- 8022233006
- NPI enumeration date
- August 2, 2012
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (951) 487-6528
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 40
- Medical school graduation
- 2012
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Tricia Grace Charles-Cowan practices at Diamond Valley Dialysis in Hemet, California
Dr. Charles-Cowan's primary practice is Diamond Valley Dialysis, at 1030 E Florida Ave, Hemet, CA 92543 in Riverside County. The practice phone is (951) 487-6528.
- Diamond Valley Dialysis1030 E Florida Ave, Hemet, CA 92543 · Riverside CountyPhone(951) 487-6528
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Tricia Grace Charles-Cowan is affiliated with 7 sites of care and 1 medical group
Dr. Charles-Cowan's primary practice is Diamond Valley Dialysis in Hemet, California. Dr. Charles-Cowan is also affiliated with Hemet Global Medical Center. The medical group on file is Nephrology Associates Medical Group. Dmand AI also links Dr. Charles-Cowan to 2 more hospitals, 2 dialysis centers and 1 group practice or clinic, each named with a free account.
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. Tricia Grace Charles-Cowan's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Charles-Cowan practices, 6 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Diamond Valley Dialysis | Available with a free account |
| +6 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
Dmand AI maps EHR vendors, IT decision makers and buying committees across each health system and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Tricia Grace Charles-Cowan is one of 1,401 nephrologists in California
Nephrology is Dr. Charles-Cowan's primary specialty in the NPI Registry, under taxonomy code 207RN0300X. Dr. Charles-Cowan is licensed in California.
Specialties and state licenses
- Nephrology, CaliforniaPrimary
Nephrologists near Dr. Charles-Cowan
Counts of nephrologists 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. Tricia Grace Charles-Cowan billed Medicare for 1,494 services in 2024
CMS data shows 1,494 Medicare services from Dr. Charles-Cowan across 11 procedure codes in 2024, for 354 Medicare patients. Medicare paid $180,985 for them.
Dr. Charles-Cowan's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 1,0172024: 86815%
- Tests and treatments
- 2023: 6372024: 43132%
- Other services
- 2023: 02024: 195
Where Dr. Charles-Cowan's Medicare services took place, 2024
- In an office90360%
- In a facility59140%
Dr. Charles-Cowan compared with the California median for nephrologists, 2024
- Dr. Charles-Cowan
- California median
- Medicare services
- 1,494vs 1,08438% above
- Medicare patients
- 354vs 30715% above
- Part D claims
- 3,013vs 9553.2 times
Medians across 1,355 nephrologists in California with Dmand AI profiles that report each measure.
Dr. Charles-Cowan'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. Charles-Cowan?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Charles-Cowan and other nephrologists in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Tricia Grace Charles-Cowan treated 354 Medicare patients in 2024, average age 70
CMS counts 354 Medicare patients who saw Dr. Charles-Cowan in 2024. The largest group is 65 to 74, with 133 patients. 75% of them have chronic kidney disease, and 75% have high blood pressure. 63% are also on Medicaid. Their average risk score is 5.08, 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. Charles-Cowan's median patient age at 69, with 49% women.
Dr. Charles-Cowan's Medicare patients by age, 2024
Dr. Charles-Cowan's Medicare patients by sex, 2024
- Women18151%
- Men17349%
Chronic conditions among Dr. Charles-Cowan's Medicare patients, 2024
- Chronic kidney disease75%
- High blood pressure75%
- High cholesterol75%
- Diabetes74%
- Heart failure56%
- Ischemic heart disease51%
- Arthritis44%
- COPD35%
Share of Medicare patients with each condition. A patient can have several.
Dr. Charles-Cowan's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 69
Patient panel by sex, all payers
- Women49%
- Men50%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Tricia Grace Charles-Cowan wrote 3,265 Medicare Part D claims in 2024
In 2024, Dr. Charles-Cowan wrote 3,265 Medicare Part D claims for 491 patients. 59% of them were for generic drugs. CMS names the drug for 3,013 of them, across 48 drugs with 11 or more claims each, at $974,388 in total drug cost. In 2023, CMS named 3,067 claims across 46 drugs.
Dr. Charles-Cowan's Part D claims by kind of drug, 2024
- Generic1,931 claims59%
- Brand-name1,308 claims40%
- Other26 claims1%
Dr. Charles-Cowan'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. Charles-Cowan's Part D claims, 2024
- Antibiotics2%58 of 3,265 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: 3,0672024: 3,0132%
Drugs named by CMS: 48 in 2024, 46 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. Tricia Grace Charles-Cowan offers telehealth to Medicare patients
Dr. Charles-Cowan accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Charles-Cowan as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
For MedTech and pharma teams
Filter 7.4M+ HCPs by Medicare procedures, Part D drugs and Open Payments history, then reach them with verified contacts in one login.
Dr. Tricia Grace Charles-Cowan received $3,728 in industry payments from 2017 to 2025
CMS Open Payments shows 186 general payments to Dr. Charles-Cowan from 22 drug and device companies from 2017 to 2025. Food and beverage make up the largest share, 95% of the total. AstraZeneca Pharmaceuticals LP paid the most, $937.
General payments to Dr. Charles-Cowan by program year, 2017 to 2025
General payments to Dr. Charles-Cowan by kind, 2017 to 2025
- Food and beverage$3,53495%
- Education$1945%
Companies that paid Dr. Charles-Cowan the most, 2017 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. Tricia Grace Charles-Cowan'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) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| 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. Tricia Grace Charles-Cowan
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. Tricia Grace Charles-Cowan's NPI number?
Dr. Tricia Grace Charles-Cowan's NPI number is 1649526088. It was assigned on August 2, 2012, and it is active in the NPI Registry.
What kind of doctor is Dr. Tricia Grace Charles-Cowan?
Dr. Tricia Grace Charles-Cowan is a nephrologist in Hemet, California. The primary specialty in the NPI Registry is Nephrology Physician (taxonomy code 207RN0300X).
Where does Dr. Tricia Grace Charles-Cowan practice?
Dr. Charles-Cowan practices at 1030 E Florida Ave, Hemet, CA 92543. Dr. Charles-Cowan's primary practice is Diamond Valley Dialysis in Hemet, California. Dmand AI also links Dr. Charles-Cowan to 2 hospitals, 2 dialysis centers and 1 group practice or clinic.
What is Dr. Tricia Grace Charles-Cowan's office phone number?
The practice phone on file for Dr. Charles-Cowan is (951) 487-6528.
What is Dr. Tricia Grace Charles-Cowan's medical license number?
Dr. Charles-Cowan holds California license 20A14022.
Which hospitals is Dr. Tricia Grace Charles-Cowan affiliated with?
Dr. Charles-Cowan is affiliated with Hemet Global Medical Center. Dmand AI links Dr. Charles-Cowan to 2 more hospitals.
What medical group is Dr. Tricia Grace Charles-Cowan part of?
Dr. Charles-Cowan is linked to Nephrology Associates Medical Group.
Does Dr. Tricia Grace Charles-Cowan accept Medicare?
Yes. CMS data shows Dr. Charles-Cowan billed Medicare for 1,494 services in 2024, and Dr. Charles-Cowan accepts Medicare assignment.
Does Dr. Tricia Grace Charles-Cowan offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Charles-Cowan as offering telehealth services.
How many Medicare patients does Dr. Tricia Grace Charles-Cowan see?
CMS counts 354 Medicare patients who saw Dr. Charles-Cowan in 2024, with an average age of 70.
Show 4 more questionsShow fewer questions
What services does Dr. Tricia Grace Charles-Cowan bill to Medicare?
In 2024, Dr. Charles-Cowan's most billed Medicare services were office visit, established patient (99214), hospital inpatient care (99232) and dialysis (90960).
What drugs does Dr. Tricia Grace Charles-Cowan prescribe most?
In 2024 Medicare Part D data, Dr. Charles-Cowan's most prescribed drugs by claims were Farxiga, Dapagliflozin and Calcitriol.
Has Dr. Tricia Grace Charles-Cowan received payments from drug or device companies?
CMS Open Payments shows $3,728 in general payments to Dr. Charles-Cowan from 22 companies from 2017 to 2025. The largest total came from AstraZeneca Pharmaceuticals LP.
How long has Dr. Tricia Grace Charles-Cowan been practicing?
Dr. Charles-Cowan graduated from medical school in 2012, 14 years ago.
Selling to nephrology practices?
See nephrologists in California by site of care and group
Find the practices, groups and hospitals they work with, and the right people to contact at each.
- 30 days free
- Self-serve
- No credit card