Dr. Darwin D. Yip, MD

  • Manteca, CA
  • Radiation oncologist
NPI1194160838PAC ID9537396502
Medicare services, 2024
1,469
Medicare patients, 2024
74
Part D claims, 2024
84
Publications
1
Hospital affiliations
2
Practice address
1138 Norman Dr, Manteca, CA 95336
Practice phone
Call (209) 823-1609
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Valley Cancer Medical Center Inc

Manteca, California

See all 5 affiliations

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Dr. Darwin D. Yip is a radiation oncologist in Manteca, California

Dr. Yip practices at Valley Cancer Medical Center Inc in Manteca, California.

Dr. Yip's NPI, 1194160838, was assigned on May 8, 2013. Dr. Yip graduated from Feinberg School of Medicine in 2008. Dr. Yip holds Massachusetts license L-255086.

NPI and contact details
Medicare PAC ID
9537396502
NPI enumeration date
May 8, 2013
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(209) 823-1609
Professional email
Get email
Personal email
Get email
Mobile number
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Sex
Male
Estimated age
44
Medical school graduation
2008

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)

Dr. Darwin D. Yip practices at Valley Cancer Medical Center Inc in Manteca, California

Dr. Yip's primary practice is Valley Cancer Medical Center Inc, at 1138 Norman Dr, Manteca, CA 95336 in San Joaquin County. The practice phone is (209) 823-1609.

  • Valley Cancer Medical Center Inc
    1138 Norman Dr, Manteca, CA 95336 · San Joaquin CountyPhone(209) 823-1609

Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data

Dr. Darwin D. Yip is affiliated with 4 sites of care and 1 medical group

Dr. Yip's primary practice is Valley Cancer Medical Center Inc in Manteca, California. Dr. Yip is also affiliated with Doctors Hospital of Manteca. The medical group on file is Valley Cancer Medical Center. Dmand AI also links Dr. Yip to 1 more hospital and 1 group practice or clinic, each named with a free account.

See all 5 affiliations for Dr. Yip

Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data

Dmand AI tracks the EHR system at Dr. Darwin D. Yip's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Yip practices, 3 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Valley Cancer Medical Center IncAvailable with a free account
+3 more affiliated sitesAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Darwin D. Yip is one of 685 radiation oncologists in California

Radiation oncology is Dr. Yip's primary specialty in the NPI Registry, under taxonomy code 2085R0001X. Dr. Yip is board certified in radiation oncology by the American Board of Radiology. Dmand AI has Dr. Yip's licenses on file in 2 states: Massachusetts and California.

Specialties and state licenses

  • Radiation oncology, MassachusettsPrimaryLicense L-255086 · taxonomy 2085R0001X
  • California license2014 to 2025

Clinical focus

Dmand AI lists bone cancer radiation, brain cancer radiation, breast cancer radiation, colorectal cancer radiation, lung cancer radiation, lymphoma radiation and prostate cancer radiation among the conditions Dr. Yip treats.

Radiation oncologists near Dr. Yip

Counts of radiation oncologists with a Dmand AI profile, by place and practice. Each opens the list.

685radiation oncologists in California
2radiation oncologists in Manteca

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks

Dr. Darwin D. Yip billed Medicare for 1,469 services in 2024

CMS data shows 1,469 Medicare services from Dr. Yip across 11 procedure codes in 2024, for 74 Medicare patients. Medicare paid $176,627 for them. Every service was in an office.

Medicare services, 20241,469
Medicare patients74
Paid by Medicare$176,627
Procedure codes11

Dr. Yip's Medicare services by type, 2023 to 2024

  • 2023
  • 2024
Imaging
2023: 1,4122024: 1,06525%
Other services
2023: 4402024: 30132%
Office and hospital visits
2023: 1092024: 1036%

Dr. Yip compared with the California median for radiation oncologists, 2024

  • Dr. Yip
  • California median
Medicare services
1,469vs 1,444Close to median
Medicare patients
74vs 16455% below
Part D claims
22vs 3231% below

Medians across 633 radiation oncologists in California with Dmand AI profiles that report each measure.

Dr. Yip'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.

See all procedures by Dr. Yip

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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Yip and other radiation oncologists in California.

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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks

Dr. Darwin D. Yip treated 74 Medicare patients in 2024, average age 73

CMS counts 74 Medicare patients who saw Dr. Yip in 2024. The largest group is 75 to 84, with 34 patients. 75% of them have cancer, and 75% have high blood pressure. 69% are also on Medicaid. Their average risk score is 2.29, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.

Across all payers, Dmand AI patient panel data puts Dr. Yip's median patient age at 72, with 56% women.

Medicare patients, 202474
Average age73
Average risk score2.29
Also on Medicaid69%

Dr. Yip's Medicare patients by age, 2024

CMS leaves out age groups with fewer than 11 patients.

Dr. Yip's Medicare patients by sex, 2024

  • Women3649%
  • Men3851%

Chronic conditions among Dr. Yip's Medicare patients, 2024

  1. Cancer75%
  2. High blood pressure75%
  3. High cholesterol70%
  4. Diabetes45%
  5. Chronic kidney disease41%
  6. Arthritis39%
  7. Tobacco use27%
  8. Anxiety26%

Share of Medicare patients with each condition. A patient can have several.

Dr. Yip's patients across all payers

Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.

Patient panel by age, all payers

Median age 72

Patient panel by sex, all payers

  • Women56%
  • Men43%

Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data

Dr. Darwin D. Yip wrote 84 Medicare Part D claims in 2024

In 2024, Dr. Yip wrote 84 Medicare Part D claims for 35 patients. 77% of them were for generic drugs. CMS names the drug for 22 of them, across 1 drug with 11 or more claims each, at $610 in total drug cost. In 2023, CMS named 32 claims across 2 drugs.

Part D claims, 202484
Drugs named by CMS1
Total drug cost$610
Part D patients35

Dr. Yip's Part D claims by kind of drug, 2024

  • Generic65 claims77%
  • Brand-name19 claims23%

Dr. Yip'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. Yip's Part D claims, 2024

  • Opioids43%36 of 84 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: 322024: 2231%

Drugs named by CMS: 1 in 2024, 2 in 2023.

See all prescribing by Dr. Yip

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. Darwin D. Yip takes part in Medicare

Dr. Yip 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. Darwin D. Yip has 1 publication on record

Dmand AI links 1 paper to Dr. Yip in 2017.

Papers1

Recent publications by Dr. Yip

See all 1 publications and co-authors

See who Dr. Yip researches with

Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Yip works with, so you can find a warm path to the right radiation oncologists.

How network discovery works

Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage

Dr. Darwin D. Yip received $104 in industry payments from 2017 to 2025

CMS Open Payments shows 2 general payments to Dr. Yip from 2 drug and device companies from 2017 to 2025. Food and beverage make up the largest share, 100% of the total. Telix Pharmaceuticals paid the most, $63.

General payments to Dr. Yip by program year, 2017 to 2025

Companies that paid Dr. Yip the most, 2017 to 2025

Share is of all general payments to this clinician.

See all payments to Dr. Yip

Source: Open Payments (CMS), 2025 data, released July 7, 2026

Dr. Darwin D. Yip graduated from Feinberg School of Medicine

Dr. Yip graduated from Feinberg School of Medicine in 2008.

  1. Medical schoolFeinberg School of Medicine
  2. Board certified in radiation oncologyAmerican Board of Radiology

Source: Dmand AI Professional Profile Data

Dr. Darwin D. Yip accepts plans from 14 insurance carriers

Dr. Yip is in network with 14 carriers, including Aetna, Elevance and United Healthcare. Medicare plans come from the most carriers, 8. Check the plan with the practice before a visit.

  • Aetna
  • Elevance
  • United Healthcare
  • Blue Cross Blue Shield of Michigan
  • HCSC
  • Blue Cross Blue Shield of Massachusetts
  • Alliant Health Plans
  • Aspirus Health Plan
  • +6 more carriersWith a free account

Plan types Dr. Yip accepts, by number of carriers

  1. Medicare8
  2. HMO7
  3. PPO7
  4. EPO4
  5. POS3

Source: Dmand AI Insurance Network Data

Sources for Dr. Darwin D. Yip's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data
Primary practice, affiliations and health systemNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation Data
Medicare services and procedure codesMedicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab)
State medians for the same specialtyDmand AI Peer Benchmarks
Medicare patients and the all-payer patient panelDmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab)
Part D prescribingMedicare 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 percentilesDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)
Publications, topics and co-authorsPubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage
Industry paymentsOpen Payments (CMS) (opens in a new tab)
Training, board certification and membershipsDmand AI Professional Profile Data
Insurance carriers and plan typesDmand AI Insurance Network Data
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand AI Affiliation Data

Data last refreshed October 2026Report an inaccuracyRemove my information

FAQ

Frequently asked questions about Dr. Darwin D. Yip

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. Darwin D. Yip's NPI number?

Dr. Darwin D. Yip's NPI number is 1194160838. It was assigned on May 8, 2013, and it is active in the NPI Registry.

What kind of doctor is Dr. Darwin D. Yip?

Dr. Darwin D. Yip is a radiation oncologist in Manteca, California. The primary specialty in the NPI Registry is Radiation Oncology Physician (taxonomy code 2085R0001X).

Where does Dr. Darwin D. Yip practice?

Dr. Yip practices at 1138 Norman Dr, Manteca, CA 95336. Dr. Yip's primary practice is Valley Cancer Medical Center Inc in Manteca, California. Dmand AI also links Dr. Yip to 1 hospital and 1 group practice or clinic.

What is Dr. Darwin D. Yip's office phone number?

The practice phone on file for Dr. Yip is (209) 823-1609.

What is Dr. Darwin D. Yip's medical license number?

Dr. Yip holds Massachusetts license L-255086, one of the licenses on file in 2 states.

Which states has Dr. Darwin D. Yip been licensed in?

Dmand AI has state licenses on file for Dr. Yip in Massachusetts and California (2014 to 2025).

Which hospitals is Dr. Darwin D. Yip affiliated with?

Dr. Yip is affiliated with Doctors Hospital of Manteca. Dmand AI links Dr. Yip to 1 more hospital.

What medical group is Dr. Darwin D. Yip part of?

Dr. Yip is linked to Valley Cancer Medical Center.

Does Dr. Darwin D. Yip accept Medicare?

Yes. CMS data shows Dr. Yip billed Medicare for 1,469 services in 2024, and Dr. Yip accepts Medicare assignment.

How many Medicare patients does Dr. Darwin D. Yip see?

CMS counts 74 Medicare patients who saw Dr. Yip in 2024, with an average age of 73.

Show 8 more questionsShow fewer questions

Is Dr. Darwin D. Yip board certified?

Yes. Dr. Yip is board certified in radiation oncology by the American Board of Radiology.

What services does Dr. Darwin D. Yip bill to Medicare?

In 2024, Dr. Yip's most billed Medicare services were radiation oncology (77014), medicare service (G6015) and radiation oncology (77300).

Where did Dr. Darwin D. Yip go to medical school?

Dr. Yip graduated from Feinberg School of Medicine in 2008.

What drugs does Dr. Darwin D. Yip prescribe most?

In 2024 Medicare Part D data, Dr. Yip's most prescribed drugs by claims were Hydrocodone-Acetaminophen.

Has Dr. Darwin D. Yip received payments from drug or device companies?

CMS Open Payments shows $104 in general payments to Dr. Yip from 2 companies from 2017 to 2025. The largest total came from Telix Pharmaceuticals.

How long has Dr. Darwin D. Yip been practicing?

Dr. Yip graduated from medical school in 2008, 18 years ago.

Does Dr. Darwin D. Yip do research?

Dmand AI links 1 publication to Dr. Yip.

What insurance does Dr. Darwin D. Yip accept?

Dr. Yip is in network with 14 carriers, including Aetna, Elevance and United Healthcare. Medicare plans come from the most carriers, 8. Check the plan with the practice before a visit.

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