Dr. Daniel Combitsis, DO
- Part D claims, 2026
- 7,970
- Affiliated sites
- 1
- Medical group
- 1
- Insurance carriers
- 1
- State license
- 1
- Practice address
- 901 Nevin Ave, Richmond, CA 94801
- Practice phone
- Call (510) 307-1555
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Richmond Medical Center
Richmond, California
Find Dr. Combitsis' 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. Daniel Combitsis is an internist in Richmond, California
Dr. Combitsis practices at Richmond Medical Center in Richmond, California.
Dr. Combitsis' NPI, 1942346549, was assigned on January 30, 2007. Dr. Combitsis graduated from WesternU College of Osteopathic Medicine of the Pacific in 2000. Dr. Combitsis holds California license 20A8071.
- NPI
- 1942346549NPI Registry (opens in a new tab)
- Medicare PAC ID
- 5193718609
- NPI enumeration date
- January 30, 2007
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (510) 307-1555
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 52
- Medical school graduation
- 2000
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Daniel Combitsis practices at Richmond Medical Center in Richmond, California
Dr. Combitsis' primary practice is Richmond Medical Center, at 901 Nevin Ave, Richmond, CA 94801 in Contra Costa County. The practice phone is (510) 307-1555.
- Richmond Medical Center901 Nevin Ave, Richmond, CA 94801 · Contra Costa CountyPhone(510) 307-1555
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Daniel Combitsis is affiliated with 2 sites of care and 1 medical group
Dr. Combitsis' primary practice is Richmond Medical Center in Richmond, California. The medical group on file is The Permanente Medical Group, Inc. Dmand AI also links Dr. Combitsis 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. Daniel Combitsis' practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Combitsis practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Richmond 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. Daniel Combitsis is one of 16,751 internists in California
Internal medicine is Dr. Combitsis' primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Combitsis is board certified in internal medicine by the American Board of Internal Medicine. Dr. Combitsis is licensed in California.
Specialties and state licenses
- Internal medicine, CaliforniaPrimary
Clinical focus
Dmand AI lists chronic hypertension, coronary artery disease and underactive thyroid among the conditions Dr. Combitsis treats.
Internists near Dr. Combitsis
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. Daniel Combitsis' patients have a median age of 63
Across all payers, Dmand AI patient panel data puts Dr. Combitsis' median patient age at 63, with 44% women.
Dr. Combitsis' patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 63
Patient panel by sex, all payers
- Women44%
- Men56%
Source: Dmand AI Patient Panel Data
Dr. Daniel Combitsis wrote 7,970 Medicare Part D claims in 2026
In 2026, Dr. Combitsis wrote 7,970 Medicare Part D claims for 686 patients. 91% of them were for generic drugs. CMS names the drug for 7,327 of them, across 126 drugs with 11 or more claims each, at $273,071 in total drug cost. In 2023, CMS named 7,375 claims across 125 drugs.
Dr. Combitsis' Part D claims by kind of drug, 2026
- Generic7,249 claims91%
- Brand-name659 claims8%
- Other62 claims1%
Dr. Combitsis' 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. Combitsis' Part D claims, 2026
- Opioids8%599 of 7,970 claims
- Antibiotics4%288 of 7,970 claims
- Antipsychotics, patients 65 and over0%24 of 7,970 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: 7,3752024: 7,3271%
Drugs named by CMS: 126 in 2024, 125 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), 2026 data
How Dr. Daniel Combitsis takes part in Medicare
Dr. Combitsis accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. Daniel Combitsis has 1 award and honors on record
Dmand AI lists 1 award for Dr. Combitsis, most recently CMS Stage 1 2012 in 2011.
Awards and honors for Dr. Combitsis
- 2011
- CMS Stage 1 2012
Source: Dmand AI Professional Profile Data
Dr. Daniel Combitsis graduated from WesternU College of Osteopathic Medicine of the Pacific
Dr. Combitsis graduated from WesternU College of Osteopathic Medicine of the Pacific in 2000. Dr. Combitsis is a member of AOA.
- Medical school
- Board certified in internal medicine
- Board certified in 2002 - 2025
Source: Dmand AI Professional Profile Data
Dr. Daniel Combitsis accepts plans from 1 insurance carrier
Dr. Combitsis is in network with 1 carrier, including Kaiser Permanente. EPO plans come from the most carriers, 1. Check the plan with the practice before a visit.
- Kaiser Permanente
Plan types Dr. Combitsis accepts, by number of carriers
- EPO1
- HMO1
- POS1
Source: Dmand AI Insurance Network Data
Sources for Dr. Daniel Combitsis'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 patients and the all-payer patient panel | Dmand AI Patient Panel Data |
| 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) |
| Awards and committee roles | Dmand AI Professional Profile Data |
| 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. Daniel Combitsis
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. Daniel Combitsis' NPI number?
Dr. Daniel Combitsis' NPI number is 1942346549. It was assigned on January 30, 2007, and it is active in the NPI Registry.
What kind of doctor is Dr. Daniel Combitsis?
Dr. Daniel Combitsis is an internist in Richmond, California. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Daniel Combitsis practice?
Dr. Combitsis practices at 901 Nevin Ave, Richmond, CA 94801. Dr. Combitsis' primary practice is Richmond Medical Center in Richmond, California. Dmand AI also links Dr. Combitsis to 1 group practice or clinic, and a free account names each one.
What is Dr. Daniel Combitsis' office phone number?
The practice phone on file for Dr. Combitsis is (510) 307-1555. Dmand AI also checks direct phone and mobile numbers, available with a free account.
What is Dr. Daniel Combitsis' email address?
Dmand AI checks professional and personal email addresses for Dr. Combitsis through healthcare-specific waterfall enrichment. They are available with a free Dmand AI account.
What is Dr. Daniel Combitsis' medical license number?
Dr. Combitsis holds California license 20A8071.
What medical group is Dr. Daniel Combitsis part of?
Dr. Combitsis is linked to The Permanente Medical Group, Inc.
Who does Dr. Daniel Combitsis practice with?
Dmand AI links 18,480 HCPs to Dr. Combitsis' primary medical group, 1,969 of them internists. A free account lists them, with verified contacts.
Does Dr. Daniel Combitsis accept Medicare?
Yes. CMS lists Dr. Combitsis as accepting Medicare assignment.
Is Dr. Daniel Combitsis board certified?
Yes. Dr. Combitsis is board certified in internal medicine by the American Board of Internal Medicine.
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Where did Dr. Daniel Combitsis go to medical school?
Dr. Combitsis graduated from WesternU College of Osteopathic Medicine of the Pacific in 2000.
What drugs does Dr. Daniel Combitsis prescribe most?
In 2024 Medicare Part D data, Dr. Combitsis' most prescribed drugs by claims were Atorvastatin Calcium, Levothyroxine Sodium and Hydrocodone-Acetaminophen.
How long has Dr. Daniel Combitsis been practicing?
Dr. Combitsis graduated from medical school in 2000, 26 years ago.
What EHR does Dr. Daniel Combitsis' practice use?
Dmand AI tracks the EHR system at Richmond Medical Center and at 1 more affiliated site. The vendor and product are available with a free Dmand AI account.
What insurance does Dr. Daniel Combitsis accept?
Dr. Combitsis is in network with 1 carrier, including Kaiser Permanente. EPO plans come from the most carriers, 1. Check the plan with the practice before a visit.
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