Dr. Mikio Tachibana, MD
- Medicare services, 2024
- 1,735
- Medicare patients, 2024
- 224
- Part D claims, 2024
- 5,718
- Hospital affiliations
- 3
- Industry payments
- $8,390
- Practice address
- 11100 Warner Ave, Fountain Valley, CA 92708-7506
- Practice phone
- Call (714) 966-2800
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Mikio Tachibana, MD
Physician office · Fountain Valley, California
Find Dr. Tachibana'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. Mikio Tachibana is an internist in Fountain Valley, California
Dr. Tachibana practices at Mikio Tachibana, MD in Fountain Valley, California.
Dr. Tachibana's NPI, 1598721227, was assigned on April 21, 2006. Dr. Tachibana graduated from University of the East College of Medicine in 1978. Dr. Tachibana holds California license A35433.
- NPI
- 1598721227NPI Registry (opens in a new tab)
- Medicare PAC ID
- 7719928159
- NPI enumeration date
- April 21, 2006
- NPI status
- Active
- Offers telehealth
- Yes
- Practice phone
- (714) 966-2800
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 74
- Medical school graduation
- 1978
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Mikio Tachibana practices at Mikio Tachibana, MD in Fountain Valley, California
Dr. Tachibana's primary practice is Mikio Tachibana, MD, at 11100 Warner Ave, Fountain Valley, CA 92708-7506. The practice phone is (714) 966-2800.
- Mikio Tachibana, MD11100 Warner Ave, Fountain Valley, CA 92708-7506Phone(714) 966-2800
Source: Dmand AI Affiliation Data
Dr. Mikio Tachibana is affiliated with 8 sites of care and 2 medical groups
Dr. Tachibana's primary practice is Mikio Tachibana, MD in Fountain Valley, California. Dr. Tachibana is also affiliated with Orange Coast Medical Center. The medical group on file is Family Choice Medical Group. Dmand AI also links Dr. Tachibana to 2 more hospitals, 2 group practices and clinics, 1 home health agency, 1 hospice and 1 medical group, each named with a free account.
Source: Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Mikio Tachibana's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Tachibana practices, 8 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Mikio Tachibana, MD | Available with a free account |
| +7 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Mikio Tachibana is one of 16,751 internists in California
Internal medicine is Dr. Tachibana's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Tachibana is board certified in internal medicine by the American Board of Internal Medicine. Dr. Tachibana is licensed in California.
Specialties and state licenses
- Internal medicine, CaliforniaPrimary
Clinical focus
Dmand AI lists acute kidney failure, acute sinusitis, acute skin infection, aneurysm, aortic atherosclerois, arthritis, atrial fibrillation and flutter and bladder disease among the conditions Dr. Tachibana treats.
Internists near Dr. Tachibana
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. Mikio Tachibana billed Medicare for 1,735 services in 2024
CMS data shows 1,735 Medicare services from Dr. Tachibana across 16 procedure codes in 2024, for 224 Medicare patients. Medicare paid $118,610 for them. Every service was in an office.
Dr. Tachibana's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 6302024: 78525%
- Tests and treatments
- 2023: 3882024: 4167%
- Other services
- 2023: 2802024: 2781%
- Surgery
- 2023: 2652024: 20523%
- Drugs given in the office
- 2023: 1,8522024: 5197%
Dr. Tachibana compared with the California median for internists, 2024
- Dr. Tachibana
- California median
- Medicare services
- 1,735vs 3614.8 times
- Medicare patients
- 224vs 15148% above
- Part D claims
- 5,072vs 42112.0 times
Medians across 15,815 internists in California with Dmand AI profiles that report each measure.
Dr. Tachibana'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. Tachibana?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Tachibana and other internists in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Mikio Tachibana treated 224 Medicare patients in 2024, average age 79
CMS counts 224 Medicare patients who saw Dr. Tachibana in 2024. The largest group is 75 to 84, with 99 patients. 75% of them have high blood pressure, and 75% have high cholesterol. Their average risk score is 1.18, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Tachibana's median patient age at 71, with 51% women.
Dr. Tachibana's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Tachibana's Medicare patients by sex, 2024
- Women12556%
- Men9944%
Chronic conditions among Dr. Tachibana's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Chronic kidney disease36%
- Arthritis33%
- Diabetes28%
- Osteoporosis20%
- Depression19%
- Mood disorders19%
Share of Medicare patients with each condition. A patient can have several.
Dr. Tachibana's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 71
Patient panel by sex, all payers
- Women51%
- Men48%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Mikio Tachibana wrote 5,718 Medicare Part D claims in 2024
In 2024, Dr. Tachibana wrote 5,718 Medicare Part D claims for 467 patients. 91% of them were for generic drugs. CMS names the drug for 5,072 of them, across 83 drugs with 11 or more claims each, at $351,004 in total drug cost. In 2023, CMS named 5,168 claims across 95 drugs.
Dr. Tachibana's Part D claims by kind of drug, 2024
- Generic5,230 claims91%
- Brand-name and other488 claims9%
Dr. Tachibana'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. Tachibana's Part D claims, 2024
- Antibiotics2%94 of 5,718 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: 5,1682024: 5,0722%
Drugs named by CMS: 83 in 2024, 95 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. Mikio Tachibana offers telehealth to Medicare patients
CMS lists Dr. Tachibana as offering telehealth.
- Offers telehealth
- Yes
Removal of tissue: 1 to 10 procedures (CMS shows small counts as a range)
Sources: Doctors and Clinicians National Downloadable File (CMS); and Doctors and Clinicians Utilization Data (CMS)
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Dr. Mikio Tachibana received $8,390 in industry payments from 2016 to 2025
CMS Open Payments shows 264 general payments to Dr. Tachibana from 26 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 99% of the total. AstraZeneca Pharmaceuticals LP paid the most, $2,392.
General payments to Dr. Tachibana by program year, 2016 to 2025
General payments to Dr. Tachibana by kind, 2016 to 2025
- Food and beverage$8,32999%
- Education$611%
Companies that paid Dr. Tachibana 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. Mikio Tachibana has 1 award and honors on record
Dmand AI lists 1 award for Dr. Tachibana, most recently CMS Stage 1 EHR in 2013.
Awards and honors for Dr. Tachibana
- 2013
- CMS Stage 1 EHR
Source: Dmand AI Professional Profile Data
Dr. Mikio Tachibana graduated from University of the East College of Medicine
Dr. Tachibana graduated from University of the East College of Medicine in 1978.
- Medical school
- Board certified in internal medicine
Source: Dmand AI Professional Profile Data
Dr. Mikio Tachibana accepts plans from 14 insurance carriers
Dr. Tachibana is in network with 14 carriers, including Elevance, Aetna and Blue Cross Blue Shield of Michigan. PPO plans come from the most carriers, 10. Check the plan with the practice before a visit.
- Elevance
- Aetna
- Blue Cross Blue Shield of Michigan
- United Healthcare
- HCSC
- Humana
- Blue Cross Blue Shield of Massachusetts
- Regence Health Plans
- +6 more carriersWith a free account
Plan types Dr. Tachibana accepts, by number of carriers
- PPO10
- Medicare9
- HMO7
- EPO4
- POS4
- Medicaid1
Source: Dmand AI Insurance Network Data
Sources for Dr. Mikio Tachibana'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 | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand 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)Doctors and Clinicians Utilization Data (CMS) (opens in a new tab) |
| 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 |
| 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. Mikio Tachibana
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. Mikio Tachibana's NPI number?
Dr. Mikio Tachibana's NPI number is 1598721227. It was assigned on April 21, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Mikio Tachibana?
Dr. Mikio Tachibana is an internist in Fountain Valley, California. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Mikio Tachibana practice?
Dr. Tachibana practices at 11100 Warner Ave, Fountain Valley, CA 92708-7506. Dr. Tachibana's primary practice is Mikio Tachibana, MD in Fountain Valley, California. Dmand AI also links Dr. Tachibana to 2 hospitals, 2 group practices and clinics, 1 home health agency, 1 hospice and 1 medical group.
What is Dr. Mikio Tachibana's office phone number?
The practice phone on file for Dr. Tachibana is (714) 966-2800.
What is Dr. Mikio Tachibana's medical license number?
Dr. Tachibana holds California license A35433.
Which hospitals is Dr. Mikio Tachibana affiliated with?
Dr. Tachibana is affiliated with Orange Coast Medical Center. Dmand AI links Dr. Tachibana to 2 more hospitals.
What medical group is Dr. Mikio Tachibana part of?
Dr. Tachibana is linked to Family Choice Medical Group. Dmand AI links Dr. Tachibana to 1 more medical group.
Does Dr. Mikio Tachibana accept Medicare?
Yes. CMS data shows Dr. Tachibana billed Medicare for 1,735 services in 2024.
Does Dr. Mikio Tachibana offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Tachibana as offering telehealth services.
How many Medicare patients does Dr. Mikio Tachibana see?
CMS counts 224 Medicare patients who saw Dr. Tachibana in 2024, with an average age of 79.
Show 7 more questionsShow fewer questions
Is Dr. Mikio Tachibana board certified?
Yes. Dr. Tachibana is board certified in internal medicine by the American Board of Internal Medicine.
What services does Dr. Mikio Tachibana bill to Medicare?
In 2024, Dr. Tachibana's most billed Medicare services were office visit, established patient (99214), office visit, established patient (99213) and care management and other visits (99490).
Where did Dr. Mikio Tachibana go to medical school?
Dr. Tachibana graduated from University of the East College of Medicine in 1978.
What drugs does Dr. Mikio Tachibana prescribe most?
In 2024 Medicare Part D data, Dr. Tachibana's most prescribed drugs by claims were Atorvastatin Calcium, Amlodipine Besylate and Losartan Potassium.
Has Dr. Mikio Tachibana received payments from drug or device companies?
CMS Open Payments shows $8,390 in general payments to Dr. Tachibana from 26 companies from 2016 to 2025. The largest total came from AstraZeneca Pharmaceuticals LP.
How long has Dr. Mikio Tachibana been practicing?
Dr. Tachibana graduated from medical school in 1978, 48 years ago.
What insurance does Dr. Mikio Tachibana accept?
Dr. Tachibana is in network with 14 carriers, including Elevance, Aetna and Blue Cross Blue Shield of Michigan. PPO plans come from the most carriers, 10. Check the plan with the practice before a visit.
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