Dr. Corrynne T. Yamanaka, MD
- Part D claims, 2024
- 138
- Hospital affiliations
- 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. Yamanaka'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. Corrynne T. Yamanaka is an internist in Richmond, California
Dr. Yamanaka practices at Richmond Medical Center in Richmond, California.
Dr. Yamanaka's NPI, 1760567424, was assigned on October 25, 2006. Dr. Yamanaka graduated from Spencer Fox Eccles School of Medicine in 1993. Dr. Yamanaka holds California license G80898.
- NPI
- 1760567424NPI Registry (opens in a new tab)
- Medicare PAC ID
- 3375731623
- NPI enumeration date
- October 25, 2006
- 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
- Female
- Estimated age
- 59
- Medical school graduation
- 1993
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Corrynne T. Yamanaka practices at Richmond Medical Center in Richmond, California
Dr. Yamanaka's 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. Corrynne T. Yamanaka is affiliated with 2 sites of care and 1 medical group
Dr. Yamanaka's primary practice is Richmond Medical Center in Richmond, California. Dr. Yamanaka is also affiliated with Fremont Medical Center. The medical group on file is The Permanente Medical Group, Inc.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Corrynne T. Yamanaka's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Yamanaka 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. Corrynne T. Yamanaka is one of 16,751 internists in California
Internal medicine is Dr. Yamanaka's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Yamanaka is board certified in internal medicine by the American Board of Internal Medicine. Dr. Yamanaka is licensed in California.
Specialties and state licenses
- Internal medicine, CaliforniaPrimary
Internists near Dr. Yamanaka
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. Corrynne T. Yamanaka's patients have a median age of 31
Across all payers, Dmand AI patient panel data puts Dr. Yamanaka's median patient age at 31, with 55% women.
Dr. Yamanaka's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 31
Patient panel by sex, all payers
- Women55%
- Men44%
Source: Dmand AI Patient Panel Data
Dr. Corrynne T. Yamanaka wrote 138 Medicare Part D claims in 2024
In 2024, Dr. Yamanaka wrote 138 Medicare Part D claims for 118 patients. 88% of them were for generic drugs. CMS names the drug for 84 of them, across 3 drugs with 11 or more claims each, at $1,703 in total drug cost. In 2023, CMS named 97 claims across 4 drugs.
Dr. Yamanaka's Part D claims by kind of drug, 2024
- Generic121 claims88%
- Brand-name17 claims12%
Dr. Yamanaka'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. Yamanaka's Part D claims, 2024
- Antibiotics59%81 of 138 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: 972024: 8413%
Drugs named by CMS: 3 in 2024, 4 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
How Dr. Corrynne T. Yamanaka takes part in Medicare
Dr. Yamanaka 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. Corrynne T. Yamanaka graduated from Spencer Fox Eccles School of Medicine
Dr. Yamanaka graduated from Spencer Fox Eccles School of Medicine in 1993.
- Medical school
- Board certified in internal medicine
Source: Dmand AI Professional Profile Data
Dr. Corrynne T. Yamanaka accepts plans from 1 insurance carrier
Dr. Yamanaka 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. Yamanaka accepts, by number of carriers
- EPO1
- HMO1
- POS1
Source: Dmand AI Insurance Network Data
Sources for Dr. Corrynne T. Yamanaka'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 DataDmand AI Org Hierarchy 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) |
| 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. Corrynne T. Yamanaka
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. Corrynne T. Yamanaka's NPI number?
Dr. Corrynne T. Yamanaka's NPI number is 1760567424. It was assigned on October 25, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Corrynne T. Yamanaka?
Dr. Corrynne T. Yamanaka is an internist in Richmond, California. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Corrynne T. Yamanaka practice?
Dr. Yamanaka practices at 901 Nevin Ave, Richmond, CA 94801. Dr. Yamanaka's primary practice is Richmond Medical Center in Richmond, California.
What is Dr. Corrynne T. Yamanaka's office phone number?
The practice phone on file for Dr. Yamanaka is (510) 307-1555.
What is Dr. Corrynne T. Yamanaka's medical license number?
Dr. Yamanaka holds California license G80898.
Which hospitals is Dr. Corrynne T. Yamanaka affiliated with?
Dr. Yamanaka is affiliated with Fremont Medical Center.
What medical group is Dr. Corrynne T. Yamanaka part of?
Dr. Yamanaka is linked to The Permanente Medical Group, Inc.
Does Dr. Corrynne T. Yamanaka accept Medicare?
Yes. CMS lists Dr. Yamanaka as accepting Medicare assignment.
Is Dr. Corrynne T. Yamanaka board certified?
Yes. Dr. Yamanaka is board certified in internal medicine by the American Board of Internal Medicine.
Where did Dr. Corrynne T. Yamanaka go to medical school?
Dr. Yamanaka graduated from Spencer Fox Eccles School of Medicine in 1993.
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What drugs does Dr. Corrynne T. Yamanaka prescribe most?
In 2024 Medicare Part D data, Dr. Yamanaka's most prescribed drugs by claims were Cefadroxil, Doxycycline Monohydrate and Adacel Tdap.
How long has Dr. Corrynne T. Yamanaka been practicing?
Dr. Yamanaka graduated from medical school in 1993, 33 years ago.
What insurance does Dr. Corrynne T. Yamanaka accept?
Dr. Yamanaka 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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