Dr. Gary M. Ohashi, MD
- Medicare services, 2023
- 839
- Part D claims, 2024
- 1,306
- Publications
- 1
- Industry payments
- $41
- Affiliated sites
- 1
- Practice address
- 1500 Duarte Rd, Duarte, CA 91010
- Practice phone
- Call (800) 826-4673
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
City of Hope Comprehensive Cancer Center - Duarte
Duarte, California
Find Dr. Ohashi's professional email, personal email and mobile number
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Dr. Gary M. Ohashi is a family medicine physician in Duarte, California
Dr. Ohashi practices at City of Hope Comprehensive Cancer Center - Duarte in Duarte, California.
Dr. Ohashi's NPI, 1417928516, was assigned on January 28, 2006. Dr. Ohashi graduated from Saint Louis University School Of Medicine in 1991. Dr. Ohashi's California license number on file is G075201.
- NPI
- 1417928516NPI Registry (opens in a new tab)
- NPI enumeration date
- January 28, 2006
- NPI status
- Active
- Practice phone
- (800) 826-4673
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 61
- Medical school graduation
- 1991
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Practice Data
Dr. Gary M. Ohashi practices at City of Hope Comprehensive Cancer Center - Duarte in Duarte, California
Dr. Ohashi's primary practice is City of Hope Comprehensive Cancer Center - Duarte, at 1500 Duarte Rd, Duarte, CA 91010 in Los Angeles County. The practice phone is (800) 826-4673.
- City of Hope Comprehensive Cancer Center - Duarte1500 Duarte Rd, Duarte, CA 91010 · Los Angeles CountyPhone(800) 826-4673
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Gary M. Ohashi is affiliated with 2 sites of care and 1 medical group
Dr. Ohashi's primary practice is City of Hope Comprehensive Cancer Center - Duarte in Duarte, California. The medical group on file is MemorialCare Medical Group. Dmand AI also links Dr. Ohashi 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. Gary M. Ohashi's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Ohashi practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| City of Hope Comprehensive Cancer Center - Duarte | 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. Gary M. Ohashi is one of 15,680 family medicine physicians in California
Family medicine is Dr. Ohashi's primary specialty in the NPI Registry, under taxonomy code 207Q00000X. Dr. Ohashi has a license on file in California.
Specialties and state licenses
- Family medicine, CaliforniaPrimary
Clinical focus
Dmand AI lists acute gastroduodenitis, acute sinusitis, acute skin infection, arthritis, asthma, chest wall injury, chronic anemia and chronic diabetes among the conditions Dr. Ohashi treats.
Family medicine physicians near Dr. Ohashi
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. Gary M. Ohashi billed Medicare for 839 services in 2023
CMS data shows 839 Medicare services from Dr. Ohashi across 13 procedure codes in 2023. Medicare paid $33,771 for them. Every service was in an office.
Dr. Ohashi's Medicare services by type, 2022 to 2023
- 2022
- 2023
- Office and hospital visits
- 2022: 3652023: 41514%
- Surgery
- 2022: 1912023: 21613%
- Other services
- 2022: 972023: 13236%
- Tests and treatments
- 2022: 612023: 61No change
- Imaging
- 2022: 252023: 1540%
Dr. Ohashi compared with the California median for family medicine physicians, 2023
- Dr. Ohashi
- California median
- Medicare services
- 839vs 2463.4 times
- Part D claims
- 943vs 83313% above
Medians across 15,349 family medicine physicians in California with Dmand AI profiles that report each measure.
Dr. Ohashi's most billed Medicare procedure codes, 2023
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. Ohashi 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. Gary M. Ohashi's patients have a median age of 65
Across all payers, Dmand AI patient panel data puts Dr. Ohashi's median patient age at 65, with 34% women.
Dr. Ohashi's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 65
Patient panel by sex, all payers
- Women34%
- Men65%
Source: Dmand AI Patient Panel Data
Dr. Gary M. Ohashi wrote 1,306 Medicare Part D claims in 2024
In 2024, Dr. Ohashi wrote 1,306 Medicare Part D claims for 288 patients. 92% of them were for generic drugs. CMS names the drug for 943 of them, across 37 drugs with 11 or more claims each, at $38,948 in total drug cost. In 2023, CMS named 4,524 claims across 99 drugs.
Dr. Ohashi's Part D claims by kind of drug, 2024
- Generic1,196 claims92%
- Brand-name and other110 claims8%
Dr. Ohashi'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.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 4,5242024: 94379%
Drugs named by CMS: 37 in 2024, 99 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
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Dr. Gary M. Ohashi has 1 publication on record
Dmand AI links 1 paper to Dr. Ohashi.
Recent publications by Dr. Ohashi
See who Dr. Ohashi researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Ohashi works with, so you can find a warm path to the right family medicine physicians.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Gary M. Ohashi received $41 in industry payments from 2018 to 2022
CMS Open Payments shows 2 general payments to Dr. Ohashi from 2 drug and device companies from 2018 to 2022. Food and beverage make up the largest share, 100% of the total. Hologic Inc paid the most, $21.
General payments to Dr. Ohashi by program year, 2018 to 2022
Companies that paid Dr. Ohashi the most, 2018 to 2022
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Gary M. Ohashi has 1 award and honors on record
Dmand AI lists 1 award for Dr. Ohashi, most recently CMS Stage 1 EHR in 2013.
Awards and honors for Dr. Ohashi
- 2013
- CMS Stage 1 EHR
Source: Dmand AI Professional Profile Data
Dr. Gary M. Ohashi graduated from Saint Louis University School Of Medicine
Dr. Ohashi graduated from Saint Louis University School Of Medicine in 1991.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Gary M. Ohashi'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 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) |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| Industry payments | Open Payments (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 |
| 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. Gary M. Ohashi
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. Gary M. Ohashi's NPI number?
Dr. Gary M. Ohashi's NPI number is 1417928516. It was assigned on January 28, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Gary M. Ohashi?
Dr. Gary M. Ohashi is a family medicine physician in Duarte, California. The primary specialty in the NPI Registry is Family Medicine Physician (taxonomy code 207Q00000X).
Where does Dr. Gary M. Ohashi practice?
Dr. Ohashi practices at 1500 Duarte Rd, Duarte, CA 91010. Dr. Ohashi's primary practice is City of Hope Comprehensive Cancer Center - Duarte in Duarte, California. Dmand AI also links Dr. Ohashi to 1 group practice or clinic.
What is Dr. Gary M. Ohashi's office phone number?
The practice phone on file for Dr. Ohashi is (800) 826-4673.
What is Dr. Gary M. Ohashi's medical license number?
Dr. Ohashi's California license number on file is G075201.
What medical group is Dr. Gary M. Ohashi part of?
Dr. Ohashi is linked to MemorialCare Medical Group.
Does Dr. Gary M. Ohashi accept Medicare?
Yes. CMS data shows Dr. Ohashi billed Medicare for 839 services in 2023.
What services does Dr. Gary M. Ohashi bill to Medicare?
In 2023, Dr. Ohashi's most billed Medicare services were office visit, established patient (99213), surgery: heart and blood vessels (36415) and office visit, established patient (99214).
Where did Dr. Gary M. Ohashi go to medical school?
Dr. Ohashi graduated from Saint Louis University School Of Medicine in 1991.
What drugs does Dr. Gary M. Ohashi prescribe most?
In 2024 Medicare Part D data, Dr. Ohashi's most prescribed drugs by claims were Atorvastatin Calcium, Amlodipine Besylate and Levothyroxine Sodium.
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Has Dr. Gary M. Ohashi received payments from drug or device companies?
CMS Open Payments shows $41 in general payments to Dr. Ohashi from 2 companies from 2018 to 2022. The largest total came from Hologic Inc.
How long has Dr. Gary M. Ohashi been practicing?
Dr. Ohashi graduated from medical school in 1991, 35 years ago.
Does Dr. Gary M. Ohashi do research?
Dmand AI links 1 publication to Dr. Ohashi.
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