Dr. John Naitoh, MD
- Medicare services, 2024
- 4,079
- Medicare patients, 2024
- 888
- Part D claims, 2024
- 2,779
- Publications
- 3
- Hospital affiliations
- 3
- Practice address
- 3366 5th Ave, San Diego, CA 92103
- Practice phone
- Call (760) 436-4558
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Genesis Healthcare Partners
San Diego, California
Find Dr. Naitoh'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. John Naitoh is a urologist in San Diego, California
Dr. Naitoh practices at Genesis Healthcare Partners in San Diego, California.
Dr. Naitoh's NPI, 1629010509, was assigned on June 12, 2006. Dr. Naitoh graduated from UC San Diego School of Medicine in 1990. Dr. Naitoh's California license number on file is G82079.
- NPI
- 1629010509NPI Registry (opens in a new tab)
- Medicare PAC ID
- 3678503695
- NPI enumeration date
- June 12, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (760) 436-4558
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 62
- Medical school graduation
- 1990
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. John Naitoh practices at Genesis Healthcare Partners in San Diego, California
Dr. Naitoh's primary practice is Genesis Healthcare Partners, at 3366 5th Ave, San Diego, CA 92103 in San Diego County. The practice phone is (760) 436-4558.
- Genesis Healthcare Partners3366 5th Ave, San Diego, CA 92103 · San Diego CountyPhone(760) 436-4558
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. John Naitoh is affiliated with 7 sites of care and 3 medical groups
Dr. Naitoh's primary practice is Genesis Healthcare Partners in San Diego, California. Dr. Naitoh is also affiliated with Scripps Memorial Hospital La Jolla. The medical group on file is Emergency and Acute Care Medical Corporation. Dmand AI also links Dr. Naitoh to 2 more hospitals, 3 group practices and clinics and 2 medical groups, 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 Dr. John Naitoh's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Naitoh practices, 6 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Genesis Healthcare Partners | Available with a free account |
| +6 more sites and 2 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. John Naitoh is one of 1,395 urologists in California
Urology is Dr. Naitoh's primary specialty in the NPI Registry, under taxonomy code 208800000X. Dr. Naitoh is board certified in urology by the American Board of Urology. Dr. Naitoh has a license on file in California.
Specialties and state licenses
- Urology, CaliforniaPrimary
Clinical focus
Dmand AI lists bladder disease, enlarged prostate, enlarged prostate transurethral surgery (TURP), erectile dysfunction, kidney cysts, kidney removal surgery, kidney stone disease and prostate cancer among the conditions Dr. Naitoh treats.
Urologists near Dr. Naitoh
Counts of urologists 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. John Naitoh billed Medicare for 4,079 services in 2024
CMS data shows 4,079 Medicare services from Dr. Naitoh across 24 procedure codes in 2024, for 888 Medicare patients. Medicare paid $231,326 for them.
Dr. Naitoh's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 2,2672024: 1,98812%
- Lab and pathology
- 2023: 8222024: 8443%
- Other services
- 2023: 02024: 527
- Imaging
- 2023: 3322024: 3402%
- Surgery
- 2023: 7772024: 28563%
- Tests and treatments
- 2023: 992024: 7425%
- Drugs given in the office
- 2023: 1632024: 2187%
Where Dr. Naitoh's Medicare services took place, 2024
- In an office4,02199%
- In a facility581%
Dr. Naitoh compared with the California median for urologists, 2024
- Dr. Naitoh
- California median
- Medicare services
- 4,079vs 1,0503.9 times
- Medicare patients
- 888vs 3462.6 times
- Part D claims
- 2,640vs 6424.1 times
Medians across 1,310 urologists in California with Dmand AI profiles that report each measure.
Dr. Naitoh'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. Naitoh?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Naitoh and other urologists in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. John Naitoh treated 888 Medicare patients in 2024, average age 77
CMS counts 888 Medicare patients who saw Dr. Naitoh in 2024. The largest group is 75 to 84, with 364 patients. 75% of them have high cholesterol, and 72% have high blood pressure. 7% are also on Medicaid. Their average risk score is 1.13, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Naitoh's median patient age at 71, with 22% women.
Dr. Naitoh's Medicare patients by age, 2024
Dr. Naitoh's Medicare patients by sex, 2024
- Women15217%
- Men73683%
Chronic conditions among Dr. Naitoh's Medicare patients, 2024
- High cholesterol75%
- High blood pressure72%
- Arthritis45%
- Ischemic heart disease36%
- Cancer27%
- Atrial fibrillation26%
- Diabetes25%
- Chronic kidney disease23%
Share of Medicare patients with each condition. A patient can have several.
Dr. Naitoh'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
- Women22%
- Men76%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. John Naitoh wrote 2,779 Medicare Part D claims in 2024
In 2024, Dr. Naitoh wrote 2,779 Medicare Part D claims for 669 patients. 92% of them were for generic drugs. CMS names the drug for 2,640 of them, across 30 drugs with 11 or more claims each, at $284,437 in total drug cost. In 2023, CMS named 2,256 claims across 26 drugs.
Dr. Naitoh's Part D claims by kind of drug, 2024
- Generic2,567 claims92%
- Brand-name and other212 claims8%
Dr. Naitoh'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. Naitoh's Part D claims, 2024
- Opioids1%32 of 2,779 claims
- Antibiotics8%235 of 2,779 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: 2,2562024: 2,64017%
Drugs named by CMS: 30 in 2024, 26 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. John Naitoh offers telehealth to Medicare patients
Dr. Naitoh accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Naitoh as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Prostate resection: 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. John Naitoh has 3 publications on record
Dmand AI links 3 papers to Dr. Naitoh, published from 2014 to 2020. Dr. Naitoh has published most often in Front Oncol. Dr. Naitoh's most frequent co-authors are Donald B. Fuller, MD, Arie Belldegrun, MD and Reza Shirazi, MD.
Dr. Naitoh's most frequent co-authors
Recent publications by Dr. Naitoh
Adv Exp Med Biol
See who Dr. Naitoh researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Naitoh works with, so you can find a warm path to the right urologists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. John Naitoh received $12,507 in industry payments from 2016 to 2025
CMS Open Payments shows 514 general payments to Dr. Naitoh from 66 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 79% of the total. Astellas Pharma US Inc paid the most, $3,607.
General payments to Dr. Naitoh by program year, 2016 to 2025
General payments to Dr. Naitoh by kind, 2016 to 2025
- Food and beverage$9,82679%
- Speaker and faculty fees$2,32519%
- Education$2912%
- Gifts$641%
Companies that paid Dr. Naitoh 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. John Naitoh has 4 awards and honors on record
Dmand AI lists 4 awards for Dr. Naitoh, most recently ACS Fellow in 2013.
Awards and honors for Dr. Naitoh
- 2013
- ACS Fellow
- 2012
- Super Doc
- Undated
- Checkbook Top Doc
- CMS Stage 1 EHR
Source: Dmand AI Professional Profile Data
Dr. John Naitoh graduated from UC San Diego School of Medicine
Dr. Naitoh graduated from UC San Diego School of Medicine in 1990. Dr. Naitoh is a member of ACS.
- Medical school
- Board certified in urology
Source: Dmand AI Professional Profile Data
Dr. John Naitoh accepts plans from 15 insurance carriers
Dr. Naitoh is in network with 15 carriers, including Elevance, Aetna and Blue Cross Blue Shield of Michigan. Medicare 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
- Molina
- +7 more carriersWith a free account
Plan types Dr. Naitoh accepts, by number of carriers
- Medicare10
- PPO10
- HMO8
- POS4
- EPO3
Source: Dmand AI Insurance Network Data
Sources for Dr. John Naitoh'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 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) |
| 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 |
| 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. John Naitoh
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. John Naitoh's NPI number?
Dr. John Naitoh's NPI number is 1629010509. It was assigned on June 12, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. John Naitoh?
Dr. John Naitoh is a urologist in San Diego, California. The primary specialty in the NPI Registry is Urology Physician (taxonomy code 208800000X).
Where does Dr. John Naitoh practice?
Dr. Naitoh practices at 3366 5th Ave, San Diego, CA 92103. Dr. Naitoh's primary practice is Genesis Healthcare Partners in San Diego, California. Dmand AI also links Dr. Naitoh to 2 hospitals, 3 group practices and clinics and 2 medical groups.
What is Dr. John Naitoh's office phone number?
The practice phone on file for Dr. Naitoh is (760) 436-4558.
What is Dr. John Naitoh's medical license number?
Dr. Naitoh's California license number on file is G82079.
Which hospitals is Dr. John Naitoh affiliated with?
Dr. Naitoh is affiliated with Scripps Memorial Hospital La Jolla. Dmand AI links Dr. Naitoh to 2 more hospitals.
What medical group is Dr. John Naitoh part of?
Dr. Naitoh is linked to Emergency and Acute Care Medical Corporation. Dmand AI links Dr. Naitoh to 2 more medical groups.
Does Dr. John Naitoh accept Medicare?
Yes. CMS data shows Dr. Naitoh billed Medicare for 4,079 services in 2024, and Dr. Naitoh accepts Medicare assignment.
Does Dr. John Naitoh offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Naitoh as offering telehealth services.
How many Medicare patients does Dr. John Naitoh see?
CMS counts 888 Medicare patients who saw Dr. Naitoh in 2024, with an average age of 77.
Show 9 more questionsShow fewer questions
Is Dr. John Naitoh board certified?
Yes. Dr. Naitoh is board certified in urology by the American Board of Urology.
What services does Dr. John Naitoh bill to Medicare?
In 2024, Dr. Naitoh's most billed Medicare services were office visit, established patient (99214), lab and pathology test (81003) and care management and other visits (99490).
Where did Dr. John Naitoh go to medical school?
Dr. Naitoh graduated from UC San Diego School of Medicine in 1990.
What drugs does Dr. John Naitoh prescribe most?
In 2024 Medicare Part D data, Dr. Naitoh's most prescribed drugs by claims were Finasteride, Tamsulosin HCl and Dutasteride.
Has Dr. John Naitoh received payments from drug or device companies?
CMS Open Payments shows $12,507 in general payments to Dr. Naitoh from 66 companies from 2016 to 2025. The largest total came from Astellas Pharma US Inc.
How long has Dr. John Naitoh been practicing?
Dr. Naitoh graduated from medical school in 1990, 36 years ago.
Does Dr. John Naitoh do research?
Dmand AI links 3 publications to Dr. Naitoh, published from 2014 to 2020.
Who does Dr. John Naitoh publish with?
Dr. Naitoh's most frequent co-authors are Donald B. Fuller, MD (2 shared papers), Arie Belldegrun, MD (1 shared paper) and Reza Shirazi, MD (1 shared paper).
What insurance does Dr. John Naitoh accept?
Dr. Naitoh is in network with 15 carriers, including Elevance, Aetna and Blue Cross Blue Shield of Michigan. Medicare plans come from the most carriers, 10. Check the plan with the practice before a visit.
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