Mark Hachiro Sawamura, OD
- Medicare patients, 2024
- 17
- Part D claims, 2024
- 84
- Affiliated sites
- 1
- Medical group
- 1
- State license
- 1
- Practice address
- 5460 E La Palma Ave, Anaheim, CA 92807
- Practice phone
- Call (714) 463-7500
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Marshall B. Ketchum University
Anaheim, California
Find Mark Sawamura'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.
Mark Hachiro Sawamura is an optometrist in Anaheim, California
Mark Sawamura practices at Marshall B. Ketchum University in Anaheim, California.
Mark Sawamura's NPI, 1497858898, was assigned on September 7, 2006. Mark Sawamura graduated from Southern California College of Optometry in 1991. Mark Sawamura holds California license 9835TPL.
- NPI
- 1497858898NPI Registry (opens in a new tab)
- Medicare PAC ID
- 6709071152
- NPI enumeration date
- September 7, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (714) 463-7500
- 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; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Mark Hachiro Sawamura practices at Marshall B. Ketchum University in Anaheim, California
Mark Sawamura's primary practice is Marshall B. Ketchum University, at 5460 E La Palma Ave, Anaheim, CA 92807 in Orange County. The practice phone is (714) 463-7500.
- Marshall B. Ketchum University5460 E La Palma Ave, Anaheim, CA 92807 · Orange CountyPhone(714) 463-7500
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Mark Hachiro Sawamura is affiliated with 2 sites of care and 1 medical group
Mark Sawamura's primary practice is Marshall B. Ketchum University in Anaheim, California. Dmand AI also links Mark Sawamura to 1 group practice or clinic and 1 medical group, 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 Mark Hachiro Sawamura's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Mark Sawamura practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Marshall B. Ketchum University | Available with a free account |
| +1 more site and 1 medical group | 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.
Mark Hachiro Sawamura is one of 7,206 optometrists in California
Optometrist is Mark Sawamura's primary specialty in the NPI Registry, under taxonomy code 152W00000X. Mark Sawamura is licensed in California.
Specialties and state licenses
- Optometrist, CaliforniaPrimary
Optometrists near Mark Sawamura
Counts of optometrists 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
Mark Hachiro Sawamura treated 17 Medicare patients in 2024, average age 78
CMS counts 17 Medicare patients who saw Mark Sawamura in 2024. The largest group is under 65, with 0 patients. 75% of them have high cholesterol, and 71% have high blood pressure. Their average risk score is 1.06, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Mark Sawamura's median patient age at 69, with 60% women.
Mark Sawamura's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Chronic conditions among Mark Sawamura's Medicare patients, 2024
- High cholesterol75%
- High blood pressure71%
Share of Medicare patients with each condition. A patient can have several.
Mark Sawamura'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
- Women60%
- Men40%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Mark Hachiro Sawamura wrote 84 Medicare Part D claims in 2024
In 2024, Mark Sawamura wrote 84 Medicare Part D claims for 19 patients. 48% of them were for generic drugs.
Mark Sawamura's Part D claims by kind of drug, 2024
- Generic40 claims48%
- Brand-name44 claims52%
Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data
How Mark Hachiro Sawamura takes part in Medicare
Mark Sawamura 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)
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.
Mark Hachiro Sawamura graduated from Southern California College of Optometry
Mark Sawamura graduated from Southern California College of Optometry in 1991.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Mark Hachiro Sawamura'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 DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | 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) |
| 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 Mark Hachiro Sawamura
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Mark Hachiro Sawamura's NPI number?
Mark Hachiro Sawamura's NPI number is 1497858898. It was assigned on September 7, 2006, and it is active in the NPI Registry.
What does Mark Hachiro Sawamura specialize in?
Mark Hachiro Sawamura is an optometrist in Anaheim, California. The primary specialty in the NPI Registry is Optometrist (taxonomy code 152W00000X).
Where does Mark Hachiro Sawamura practice?
Mark Sawamura practices at 5460 E La Palma Ave, Anaheim, CA 92807. Mark Sawamura's primary practice is Marshall B. Ketchum University in Anaheim, California. Dmand AI also links Mark Sawamura to 1 group practice or clinic and 1 medical group.
What is Mark Hachiro Sawamura's office phone number?
The practice phone on file for Mark Sawamura is (714) 463-7500.
What is Mark Hachiro Sawamura's medical license number?
Mark Sawamura holds California license 9835TPL.
Does Mark Hachiro Sawamura accept Medicare?
Yes. CMS lists Mark Sawamura as accepting Medicare assignment.
How many Medicare patients does Mark Hachiro Sawamura see?
CMS counts 17 Medicare patients who saw Mark Sawamura in 2024, with an average age of 78.
Where did Mark Hachiro Sawamura go to medical school?
Mark Sawamura graduated from Southern California College of Optometry in 1991.
How long has Mark Hachiro Sawamura been practicing?
Mark Sawamura graduated from medical school in 1991, 35 years ago.
Selling to optometrist practices?
See optometrists 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