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Dr. William W. Winternitz Jr., MD
NPI1083676639
- Medicare services, 2020
- 231
- Part D claims, 2024
- 38
- Publications
- 5
- Industry payments
- $2,612
- Affiliated sites
- 1
- Practice address
- 12630 Monte Vista Rd, Poway, CA 92064-2530
- Practice phone
- Call (858) 487-6440
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
James F Marino
Surgical practice · Poway, California
Find Dr. Winternitz'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. William W. Winternitz Jr. is an orthopedic surgeon in Poway, California
Dr. Winternitz practices at James F Marino in Poway, California.
Dr. Winternitz's NPI, 1083676639, was assigned on April 6, 2006. Dr. Winternitz graduated from University Of Kentucky College Of Medicine in 1977. Dr. Winternitz's California license number on file is G51348.
NPI and contact details
- NPI
- 1083676639NPI Registry (opens in a new tab)
- NPI enumeration date
- April 6, 2006
- NPI status
- Active
- Practice phone
- (858) 487-6440
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Medical school graduation
- 1977
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. William W. Winternitz Jr. practices at James F Marino in Poway, California
Dr. Winternitz's primary practice is James F Marino, at 12630 Monte Vista Rd, Poway, CA 92064-2530. The practice phone is (858) 487-6440.
- James F Marino12630 Monte Vista Rd, Poway, CA 92064-2530Phone(858) 487-6440
Sources: Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. William W. Winternitz Jr. is affiliated with 1 site of care and 1 medical group
Dr. Winternitz's primary practice is James F Marino in Poway, California. Dmand AI also links Dr. Winternitz to 1 medical group, named with a free account.
James F MarinoPrimary
Sources: Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dmand AI tracks the EHR system at Dr. William W. Winternitz Jr.'s practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Winternitz practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| James F Marino | Available with a free account |
| +1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. William W. Winternitz Jr. is one of 2,056 orthopedic surgeons in California
Orthopaedic surgery is Dr. Winternitz's primary specialty in the NPI Registry, under taxonomy code 207X00000X. Dr. Winternitz is board certified in orthopaedic sports medicine by the American Board of Orthopaedic Surgery. Dr. Winternitz has a license on file in California.
Specialties and state licenses
- Orthopaedic surgery, CaliforniaPrimary
Orthopedic surgeons near Dr. Winternitz
Counts of orthopedic surgeons with a Dmand AI profile, by place and practice. Each opens the list.
2,056orthopedic surgeons in California
7orthopedic surgeons in Poway
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. William W. Winternitz Jr. billed Medicare for 231 services in 2020
CMS data shows 231 Medicare services from Dr. Winternitz across 6 procedure codes in 2020. Medicare paid $10,589 for them. Every service was in an office.
Medicare services, 2020231
Paid by Medicare$10,589
Procedure codes6
Dr. Winternitz's Medicare services by type, 2019 to 2020
- 2019
- 2020
- Office and hospital visits
- 2019: 4792020: 11476%
- Surgery
- 2019: 3072020: 5482%
- Drugs given in the office
- 2019: 2,7072020: 4998%
- Imaging
- 2019: 3152020: 1496%
Dr. Winternitz compared with the California median for orthopedic surgeons, 2020
- Dr. Winternitz
- California median
- Medicare services
- 231vs 68366% below
- Part D claims
- 40vs 7043% below
Medians across 1,844 orthopedic surgeons in California with Dmand AI profiles that report each measure.
Dr. Winternitz's most billed Medicare procedure codes, 2020
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. Winternitz?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Winternitz and other orthopedic surgeons in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. William W. Winternitz Jr.'s patients have a median age of 69
Across all payers, Dmand AI patient panel data puts Dr. Winternitz's median patient age at 69, with 60% women.
Dr. Winternitz's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 69
Patient panel by sex, all payers
- Women60%
- Men40%
Source: Dmand AI Patient Panel Data
Dr. William W. Winternitz Jr. wrote 38 Medicare Part D claims in 2024
In 2024, Dr. Winternitz wrote 38 Medicare Part D claims. 95% of them were for generic drugs. They cover 2 drugs, with $706 in total drug cost. In 2019, CMS named 155 claims across 7 drugs.
Part D claims, 202438
Drugs named by CMS2
Total drug cost$706
Dr. Winternitz's Part D claims by kind of drug, 2024
- Generic36 claims95%
- Brand-name and other2 claims5%
Dr. Winternitz's most prescribed drugs by claims, 2020
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Part D claims for drugs CMS names, 2019 to 2020
- 2019
- 2020
- Claims for drugs CMS names
- 2019: 1552020: 4074%
Drugs named by CMS: 2 in 2020, 7 in 2019.
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
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Dr. William W. Winternitz Jr. has 5 publications on record
Dmand AI links 5 papers to Dr. Winternitz. The most frequent topics are Growth Hormone, Cryosurgery and Hypophysectomy.
Papers5
Topics Dr. Winternitz writes about most
- Growth Hormone
- Cryosurgery
- Hypophysectomy
Recent publications by Dr. Winternitz
AcromegalyAdenomaCryosurgery
Blood Cell CountDehydrationHemoglobinometry
CatecholaminesFollicle Stimulating HormoneGrowth Hormone
See who Dr. Winternitz researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Winternitz works with, so you can find a warm path to the right orthopedic surgeons.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. William W. Winternitz Jr. received $2,612 in industry payments from 2016 to 2020
CMS Open Payments shows 72 general payments to Dr. Winternitz from 18 drug and device companies from 2016 to 2020. Food and beverage make up the largest share, 75% of the total. Stryker Corporation paid the most, $1,085. It also lists 1 research payment totaling $625 in 2016.
General payments to Dr. Winternitz by program year, 2016 to 2020
General payments to Dr. Winternitz by kind, 2016 to 2020
$2.6Kin total
- Food and beverage$1,94875%
- Travel and lodging$66425%
Companies that paid Dr. Winternitz the most, 2016 to 2020
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. William W. Winternitz Jr. graduated from University Of Kentucky College Of Medicine
Dr. Winternitz graduated from University Of Kentucky College Of Medicine in 1977.
- Medical school
- Board certified in orthopaedic sports medicine
- Board certified in orthopaedic surgery
Source: Dmand AI Professional Profile Data
Dr. William W. Winternitz Jr. accepts plans from 2 insurance carriers
Dr. Winternitz is in network with 2 carriers, including Blue Cross Blue Shield of Massachusetts and HCSC. Medicare plans come from the most carriers, 2. Check the plan with the practice before a visit.
- Blue Cross Blue Shield of Massachusetts
- HCSC
Plan types Dr. Winternitz accepts, by number of carriers
- Medicare2
- PPO2
Source: Dmand AI Insurance Network Data
Sources for Dr. William W. Winternitz 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 DataDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| 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 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) |
| 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) |
| 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. William W. Winternitz 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. William W. Winternitz Jr.'s NPI number?
Dr. William W. Winternitz Jr.'s NPI number is 1083676639. It was assigned on April 6, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. William W. Winternitz Jr.?
Dr. William W. Winternitz Jr. is an orthopedic surgeon in Poway, California. The primary specialty in the NPI Registry is Orthopaedic Surgery Physician (taxonomy code 207X00000X).
Where does Dr. William W. Winternitz Jr. practice?
Dr. Winternitz practices at 12630 Monte Vista Rd, Poway, CA 92064-2530. Dr. Winternitz's primary practice is James F Marino in Poway, California. Dmand AI also links Dr. Winternitz to 1 medical group.
What is Dr. William W. Winternitz Jr.'s office phone number?
The practice phone on file for Dr. Winternitz is (858) 487-6440.
What is Dr. William W. Winternitz Jr.'s medical license number?
Dr. Winternitz's California license number on file is G51348.
Does Dr. William W. Winternitz Jr. accept Medicare?
Yes. CMS data shows Dr. Winternitz billed Medicare for 231 services in 2020.
Is Dr. William W. Winternitz Jr. board certified?
Yes. Dr. Winternitz is board certified in orthopaedic sports medicine by the American Board of Orthopaedic Surgery.
What services does Dr. William W. Winternitz Jr. bill to Medicare?
In 2020, Dr. Winternitz's most billed Medicare services were office visit, established patient (99214), surgery: bones and joints (20610) and injected or infused drug (J3301).
Where did Dr. William W. Winternitz Jr. go to medical school?
Dr. Winternitz graduated from University Of Kentucky College Of Medicine in 1977.
What drugs does Dr. William W. Winternitz Jr. prescribe most?
In 2020 Medicare Part D data, Dr. Winternitz's most prescribed drugs by claims were Diclofenac Sodium and Tramadol HCl.
Show 4 more questionsShow fewer questions
Has Dr. William W. Winternitz Jr. received payments from drug or device companies?
CMS Open Payments shows $2,612 in general payments to Dr. Winternitz from 18 companies from 2016 to 2020. The largest total came from Stryker Corporation.
How long has Dr. William W. Winternitz Jr. been practicing?
Dr. Winternitz graduated from medical school in 1977, 49 years ago.
Does Dr. William W. Winternitz Jr. do research?
Dmand AI links 5 publications to Dr. Winternitz.
What insurance does Dr. William W. Winternitz Jr. accept?
Dr. Winternitz is in network with 2 carriers, including Blue Cross Blue Shield of Massachusetts and HCSC. Medicare plans come from the most carriers, 2. Check the plan with the practice before a visit.
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