Transplant Proc
Dr. Peter Noneng Bretan Jr., MD
- Medicare services, 2024
- 846
- Medicare patients, 2024
- 239
- Part D claims, 2024
- 1,840
- Publications
- 29
- Hospital affiliations
- 2
- Practice address
- 75 Nielson Street, Watsonville, CA 95076
- Practice phone
- Call (831) 724-4741
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Bretan'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. Peter Noneng Bretan Jr. is a urologist in Watsonville, California
Dr. Bretan practices at Watsonville Community Hospital in Watsonville, California, part of Pajaro Valley Health Care District.
Dr. Bretan's NPI, 1639177934, was assigned on July 11, 2005. Dr. Bretan graduated from UCSF School of Medicine in 1980. Dr. Bretan holds California license G46251.
- NPI
- 1639177934NPI Registry (opens in a new tab)
- Medicare PAC ID
- 4082778741
- NPI enumeration date
- July 11, 2005
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (831) 724-4741
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 72
- Medical school graduation
- 1980
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Peter Noneng Bretan Jr. practices at Watsonville Community Hospital in Watsonville, California
Dr. Bretan's primary practice is Watsonville Community Hospital, at 75 Nielson Street, Watsonville, CA 95076 in Santa Cruz County. The practice phone is (831) 724-4741.
- Watsonville Community Hospital75 Nielson Street, Watsonville, CA 95076 · Santa Cruz CountyPhone(831) 724-4741
Source: Dmand AI Affiliation Data
Dr. Peter Noneng Bretan Jr. is affiliated with 4 sites of care and 3 medical groups
Dr. Bretan's primary practice is Watsonville Community Hospital in Watsonville, California, part of Pajaro Valley Health Care District. Dr. Bretan is also affiliated with Santa Clara Valley Medical Center. The medical group on file is Coastal Healthcare. Dmand AI also links Dr. Bretan to 2 more group practices and clinics and 2 medical groups, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Peter Noneng Bretan Jr.'s practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Bretan practices, 4 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Watsonville Community Hospital | Available with a free account |
| +3 more sites and 2 medical groups | 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 Pajaro Valley Health Care District and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Peter Noneng Bretan Jr. is one of 1,395 urologists in California
Urology is Dr. Bretan's primary specialty in the NPI Registry, under taxonomy code 208800000X. Dr. Bretan is board certified in urology by the American Board of Urology. Dmand AI has Dr. Bretan's licenses on file in 3 states: California, Florida and Ohio.
Specialties and state licenses
- Urology, CaliforniaPrimary
- Florida license
- Ohio license
Clinical focus
Dmand AI lists bladder disease, enlarged prostate, enlarged prostate transurethral surgery (TURP), erectile dysfunction, kidney removal surgery, kidney stone disease, prostate inflammation or infection and urinary endoscopy among the conditions Dr. Bretan treats.
Urologists near Dr. Bretan
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. Peter Noneng Bretan Jr. billed Medicare for 846 services in 2024
CMS data shows 846 Medicare services from Dr. Bretan across 13 procedure codes in 2024, for 239 Medicare patients. Medicare paid $48,077 for them.
Dr. Bretan's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 7282024: 40045%
- Lab and pathology
- 2023: 2692024: 2469%
- Surgery
- 2023: 2492024: 9163%
- Imaging
- 2023: 262024: 54108%
- Tests and treatments
- 2023: 322024: 4231%
- Drugs given in the office
- 2023: 02024: 13
Where Dr. Bretan's Medicare services took place, 2024
- In an office83298%
- In a facility142%
Dr. Bretan compared with the California median for urologists, 2024
- Dr. Bretan
- California median
- Medicare services
- 846vs 1,05019% below
- Medicare patients
- 239vs 34631% below
- Part D claims
- 1,780vs 6422.8 times
Medians across 1,310 urologists in California with Dmand AI profiles that report each measure.
Dr. Bretan'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. Bretan?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Bretan and other urologists in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Peter Noneng Bretan Jr. treated 239 Medicare patients in 2024, average age 74
CMS counts 239 Medicare patients who saw Dr. Bretan in 2024. The largest group is 65 to 74, with 108 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 54% are also on Medicaid. Their average risk score is 1.41, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Bretan's median patient age at 65, with 29% women.
Dr. Bretan's Medicare patients by age, 2024
Dr. Bretan's Medicare patients by sex, 2024
- Women5121%
- Men18879%
Chronic conditions among Dr. Bretan's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Diabetes39%
- Arthritis33%
- Ischemic heart disease24%
- Chronic kidney disease23%
- Anxiety20%
- Cancer18%
Share of Medicare patients with each condition. A patient can have several.
Dr. Bretan'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
- Women29%
- Men71%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Peter Noneng Bretan Jr. wrote 1,840 Medicare Part D claims in 2024
In 2024, Dr. Bretan wrote 1,840 Medicare Part D claims for 354 patients. 96% of them were for generic drugs. CMS names the drug for 1,780 of them, across 12 drugs with 11 or more claims each, at $63,566 in total drug cost. In 2023, CMS named 2,814 claims across 16 drugs.
Dr. Bretan's Part D claims by kind of drug, 2024
- Generic1,774 claims96%
- Brand-name66 claims4%
Dr. Bretan'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. Bretan's Part D claims, 2024
- Antibiotics8%155 of 1,840 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: 2,8142024: 1,78037%
Drugs named by CMS: 12 in 2024, 16 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. Peter Noneng Bretan Jr. takes part in Medicare
Dr. Bretan accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- 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. Peter Noneng Bretan Jr. has 29 publications on record
Dmand AI links 29 papers to Dr. Bretan. The most frequent topics are Kidney Transplantation, Magnetic Resonance Spectroscopy and Kidney. Dr. Bretan has published most often in J Urol. Dr. Bretan's most frequent co-authors are Richard D. Williams, MD, Robert Osorio, MD and Chris E. Freise, MD.
Topics Dr. Bretan writes about most
- Kidney Transplantation
- Magnetic Resonance Spectroscopy
- Kidney
- Dogs
- Organ Preservation
- Graft Survival
- Immunosuppressive Agents
- Body Weight
Dr. Bretan's most frequent co-authors
- Richard D. Williams, MD5 shared papers
- Robert Osorio, MD3 shared papers
- Chris E. Freise, MD2 shared papers
Recent publications by Dr. Bretan
Radiology
See who Dr. Bretan researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Bretan 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. Peter Noneng Bretan Jr. received $2,050 in industry payments from 2016 to 2025
CMS Open Payments shows 72 general payments to Dr. Bretan from 20 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 76% of the total. Astellas Pharma US Inc paid the most, $769.
General payments to Dr. Bretan by program year, 2016 to 2025
General payments to Dr. Bretan by kind, 2016 to 2025
- Food and beverage$1,55676%
- Education$29414%
- Travel and lodging$20010%
Companies that paid Dr. Bretan 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. Peter Noneng Bretan Jr. has 1 award and honors on record
Dmand AI lists 1 award for Dr. Bretan.
Awards and honors for Dr. Bretan
- Undated
- ACS Fellow
Source: Dmand AI Professional Profile Data
Dr. Peter Noneng Bretan Jr. graduated from UCSF School of Medicine
Dr. Bretan graduated from UCSF School of Medicine in 1980. Dr. Bretan is a member of ACS, AMA, AUA, CMA, California Urological Association and Philippine Medical Society of California.
- Medical school
- Board certified in urology
Source: Dmand AI Professional Profile Data
Dr. Peter Noneng Bretan Jr. accepts plans from 7 insurance carriers
Dr. Bretan is in network with 7 carriers, including Aetna, Blue Cross Blue Shield of Michigan and Kaiser Permanente. Medicare plans come from the most carriers, 6. Check the plan with the practice before a visit.
- Aetna
- Blue Cross Blue Shield of Michigan
- Kaiser Permanente
- Blue Cross Blue Shield of Massachusetts
- HCSC
- Regence Health Plans
- CMS Medicare
Plan types Dr. Bretan accepts, by number of carriers
- Medicare6
- PPO5
- HMO3
- POS3
- EPO2
Source: Dmand AI Insurance Network Data
Sources for Dr. Peter Noneng Bretan Jr.'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 DataDmand AI Org Hierarchy 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. Peter Noneng Bretan Jr.
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. Peter Noneng Bretan Jr.'s NPI number?
Dr. Peter Noneng Bretan Jr.'s NPI number is 1639177934. It was assigned on July 11, 2005, and it is active in the NPI Registry.
What kind of doctor is Dr. Peter Noneng Bretan Jr.?
Dr. Peter Noneng Bretan Jr. is a urologist in Watsonville, California. The primary specialty in the NPI Registry is Urology Physician (taxonomy code 208800000X).
Where does Dr. Peter Noneng Bretan Jr. practice?
Dr. Bretan practices at 75 Nielson Street, Watsonville, CA 95076. Dr. Bretan's primary practice is Watsonville Community Hospital in Watsonville, California, part of Pajaro Valley Health Care District. Dmand AI also links Dr. Bretan to 2 group practices and clinics and 2 medical groups.
What is Dr. Peter Noneng Bretan Jr.'s office phone number?
The practice phone on file for Dr. Bretan is (831) 724-4741.
What is Dr. Peter Noneng Bretan Jr.'s medical license number?
Dr. Bretan holds California license G46251, one of the licenses on file in 3 states.
Which states has Dr. Peter Noneng Bretan Jr. been licensed in?
Dmand AI has state licenses on file for Dr. Bretan in California (1981 to 2027), Florida (2012 to 2014) and Ohio (1987 to 1994).
Which hospitals is Dr. Peter Noneng Bretan Jr. affiliated with?
Dr. Bretan practices at Watsonville Community Hospital in Watsonville, California. Dr. Bretan is also affiliated with Santa Clara Valley Medical Center.
What medical group is Dr. Peter Noneng Bretan Jr. part of?
Dr. Bretan is linked to Coastal Healthcare. Dmand AI links Dr. Bretan to 2 more medical groups.
Does Dr. Peter Noneng Bretan Jr. accept Medicare?
Yes. CMS data shows Dr. Bretan billed Medicare for 846 services in 2024, and Dr. Bretan accepts Medicare assignment.
How many Medicare patients does Dr. Peter Noneng Bretan Jr. see?
CMS counts 239 Medicare patients who saw Dr. Bretan in 2024, with an average age of 74.
Show 9 more questionsShow fewer questions
Is Dr. Peter Noneng Bretan Jr. board certified?
Yes. Dr. Bretan is board certified in urology by the American Board of Urology.
What services does Dr. Peter Noneng Bretan Jr. bill to Medicare?
In 2024, Dr. Bretan's most billed Medicare services were office visit, established patient (99213), lab and pathology test (81002) and office visit, established patient (99214).
Where did Dr. Peter Noneng Bretan Jr. go to medical school?
Dr. Bretan graduated from UCSF School of Medicine in 1980.
What drugs does Dr. Peter Noneng Bretan Jr. prescribe most?
In 2024 Medicare Part D data, Dr. Bretan's most prescribed drugs by claims were Finasteride, Tamsulosin HCl and Oxybutynin Chloride ER.
Has Dr. Peter Noneng Bretan Jr. received payments from drug or device companies?
CMS Open Payments shows $2,050 in general payments to Dr. Bretan from 20 companies from 2016 to 2025. The largest total came from Astellas Pharma US Inc.
How long has Dr. Peter Noneng Bretan Jr. been practicing?
Dr. Bretan graduated from medical school in 1980, 46 years ago.
Does Dr. Peter Noneng Bretan Jr. do research?
Dmand AI links 29 publications to Dr. Bretan.
Who does Dr. Peter Noneng Bretan Jr. publish with?
Dr. Bretan's most frequent co-authors are Richard D. Williams, MD (5 shared papers), Robert Osorio, MD (3 shared papers) and Chris E. Freise, MD (2 shared papers).
What insurance does Dr. Peter Noneng Bretan Jr. accept?
Dr. Bretan is in network with 7 carriers, including Aetna, Blue Cross Blue Shield of Michigan and Kaiser Permanente. Medicare plans come from the most carriers, 6. Check the plan with the practice before a visit.
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