Dr. Cornelia Holmes, MD
- Medicare services, 2024
- 57
- Medicare patients, 2024
- 54
- Part D claims, 2024
- 3,498
- Industry payments
- $3,857
- Affiliated sites
- 1
- Practice address
- 420 W Rowland St, Covina, CA 91723
- Practice phone
- Call (213) 623-2225
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Healthcare Partners Medical Group
Covina, California
Find Dr. Holmes' professional email, personal email and mobile number
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Dr. Cornelia Holmes is a family medicine physician in Covina, California
Dr. Holmes practices at Healthcare Partners Medical Group in Covina, California.
Dr. Holmes' NPI, 1679961387, was assigned on January 3, 2015. Dr. Holmes graduated from University of Medicine and Pharmacy Timisoara in 2006. Dr. Holmes holds California license A133878.
- NPI
- 1679961387NPI Registry (opens in a new tab)
- Medicare PAC ID
- 4789904814
- NPI enumeration date
- January 3, 2015
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (213) 623-2225
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 46
- Medical school graduation
- 2006
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Cornelia Holmes practices at Healthcare Partners Medical Group in Covina, California
Dr. Holmes' primary practice is Healthcare Partners Medical Group, at 420 W Rowland St, Covina, CA 91723 in Los Angeles County. The practice phone is (213) 623-2225.
- Healthcare Partners Medical Group420 W Rowland St, Covina, CA 91723 · Los Angeles CountyPhone(213) 623-2225
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Cornelia Holmes is affiliated with 2 sites of care and 1 medical group
Dr. Holmes' primary practice is Healthcare Partners Medical Group in Covina, California. The medical group on file is Optum - Downtown Los Angeles. Dmand AI also links Dr. Holmes to 1 more group practice or clinic, 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. Cornelia Holmes' practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Holmes practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Healthcare Partners Medical Group | 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. Cornelia Holmes is one of 15,680 family medicine physicians in California
Family medicine is Dr. Holmes' primary specialty in the NPI Registry, under taxonomy code 207Q00000X. Dr. Holmes is board certified in family medicine by the American Board of Family Medicine. Dr. Holmes is licensed in California.
Specialties and state licenses
- Family medicine, CaliforniaPrimary
Clinical focus
Dmand AI lists acute sinusitis, anxiety, aortic atherosclerois, asthma, bronchitis, chronic diabetes, chronic hypertension and chronic kidney disease among the conditions Dr. Holmes treats.
Family medicine physicians near Dr. Holmes
Counts of family medicine physicians 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. Cornelia Holmes billed Medicare for 57 services in 2024
CMS data shows 57 Medicare services from Dr. Holmes across 3 procedure codes in 2024, for 54 Medicare patients. Medicare paid $3,501 for them. Every service was in an office.
Dr. Holmes' Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 1912024: 5770%
- Tests and treatments
- 2023: 112024: 0100%
- Other services
- 2023: 462024: 0100%
Dr. Holmes compared with the California median for family medicine physicians, 2024
- Dr. Holmes
- California median
- Medicare services
- 57vs 24677% below
- Medicare patients
- 54vs 11854% below
- Part D claims
- 2,889vs 8333.5 times
Medians across 15,349 family medicine physicians in California with Dmand AI profiles that report each measure.
Dr. Holmes' 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. Holmes and other family medicine physicians in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Cornelia Holmes treated 54 Medicare patients in 2024, average age 73
CMS counts 54 Medicare patients who saw Dr. Holmes in 2024. The largest group is 65 to 74, with 26 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 72% are also on Medicaid. Their average risk score is 1.84, 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. Holmes' median patient age at 52, with 64% women.
Dr. Holmes' Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Holmes' Medicare patients by sex, 2024
- Women3769%
- Men1731%
Chronic conditions among Dr. Holmes' Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Tobacco use75%
- Chronic kidney disease65%
- Diabetes54%
- Mood disorders43%
- Depression41%
- Arthritis31%
Share of Medicare patients with each condition. A patient can have several.
Dr. Holmes' patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 52
Patient panel by sex, all payers
- Women64%
- Men35%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Cornelia Holmes wrote 3,498 Medicare Part D claims in 2024
In 2024, Dr. Holmes wrote 3,498 Medicare Part D claims for 440 patients. 81% of them were for generic drugs. CMS names the drug for 2,889 of them, across 66 drugs with 11 or more claims each, at $458,394 in total drug cost. In 2023, CMS named 2,198 claims across 66 drugs.
Dr. Holmes' Part D claims by kind of drug, 2024
- Generic2,829 claims81%
- Brand-name626 claims18%
- Other43 claims1%
Dr. Holmes' 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. Holmes' Part D claims, 2024
- Opioids2%54 of 3,498 claims
- Antibiotics1%48 of 3,498 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: 2,1982024: 2,88931%
Drugs named by CMS: 66 in 2024, 66 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. Cornelia Holmes offers telehealth to Medicare patients
Dr. Holmes accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Holmes as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. Cornelia Holmes received $3,857 in industry payments from 2016 to 2025
CMS Open Payments shows 178 general payments to Dr. Holmes from 21 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 100% of the total. Novo Nordisk Inc paid the most, $773.
General payments to Dr. Holmes by program year, 2016 to 2025
Companies that paid Dr. Holmes 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. Cornelia Holmes graduated from University of Medicine and Pharmacy Timisoara
Dr. Holmes graduated from University of Medicine and Pharmacy Timisoara in 2006.
- Medical school
- Board certified in family medicine
Source: Dmand AI Professional Profile Data
Dr. Cornelia Holmes accepts plans from 12 insurance carriers
Dr. Holmes is in network with 12 carriers, including Aetna, Blue Cross Blue Shield of Michigan and United Healthcare. Medicare plans come from the most carriers, 7. Check the plan with the practice before a visit.
- Aetna
- Blue Cross Blue Shield of Michigan
- United Healthcare
- Blue Cross Blue Shield of Massachusetts
- HCSC
- Molina
- Regence Health Plans
- Aspirus Health Plan
- +4 more carriersWith a free account
Plan types Dr. Holmes accepts, by number of carriers
- Medicare7
- PPO7
- HMO5
- POS4
- EPO2
Source: Dmand AI Insurance Network Data
Sources for Dr. Cornelia Holmes'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 |
| 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. Cornelia Holmes
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. Cornelia Holmes' NPI number?
Dr. Cornelia Holmes' NPI number is 1679961387. It was assigned on January 3, 2015, and it is active in the NPI Registry.
What kind of doctor is Dr. Cornelia Holmes?
Dr. Cornelia Holmes is a family medicine physician in Covina, California. The primary specialty in the NPI Registry is Family Medicine Physician (taxonomy code 207Q00000X).
Where does Dr. Cornelia Holmes practice?
Dr. Holmes practices at 420 W Rowland St, Covina, CA 91723. Dr. Holmes' primary practice is Healthcare Partners Medical Group in Covina, California. Dmand AI also links Dr. Holmes to 1 group practice or clinic.
What is Dr. Cornelia Holmes' office phone number?
The practice phone on file for Dr. Holmes is (213) 623-2225.
What is Dr. Cornelia Holmes' medical license number?
Dr. Holmes holds California license A133878.
What medical group is Dr. Cornelia Holmes part of?
Dr. Holmes is linked to Optum - Downtown Los Angeles.
Does Dr. Cornelia Holmes accept Medicare?
Yes. CMS data shows Dr. Holmes billed Medicare for 57 services in 2024, and Dr. Holmes accepts Medicare assignment.
Does Dr. Cornelia Holmes offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Holmes as offering telehealth services.
How many Medicare patients does Dr. Cornelia Holmes see?
CMS counts 54 Medicare patients who saw Dr. Holmes in 2024, with an average age of 73.
Is Dr. Cornelia Holmes board certified?
Yes. Dr. Holmes is board certified in family medicine by the American Board of Family Medicine.
Show 6 more questionsShow fewer questions
What services does Dr. Cornelia Holmes bill to Medicare?
In 2024, Dr. Holmes' most billed Medicare services were office visit, established patient (99214), office visit, established patient (99213) and care management and other visits (99497).
Where did Dr. Cornelia Holmes go to medical school?
Dr. Holmes graduated from University of Medicine and Pharmacy Timisoara in 2006.
What drugs does Dr. Cornelia Holmes prescribe most?
In 2024 Medicare Part D data, Dr. Holmes' most prescribed drugs by claims were Metformin HCl, Atorvastatin Calcium and Metoprolol Succinate.
Has Dr. Cornelia Holmes received payments from drug or device companies?
CMS Open Payments shows $3,857 in general payments to Dr. Holmes from 21 companies from 2016 to 2025. The largest total came from Novo Nordisk Inc.
How long has Dr. Cornelia Holmes been practicing?
Dr. Holmes graduated from medical school in 2006, 20 years ago.
What insurance does Dr. Cornelia Holmes accept?
Dr. Holmes is in network with 12 carriers, including Aetna, Blue Cross Blue Shield of Michigan and United Healthcare. Medicare plans come from the most carriers, 7. Check the plan with the practice before a visit.
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