Mark Wille
- Part D claims, 2022
- 268
- Hospital affiliations
- 1
- Industry payments
- $88
- State license
- 1
- Year NPI issued
- 2006
- Practice address
- 2500 Alhambra Avenue, Martinez, CA 94553
- Practice phone
- Call (925) 370-5000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
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Mark Wille is an internist in Martinez, California
Mark Wille practices at Contra Costa Regional Medical Center in Martinez, California, part of State of California.
Mark Wille's NPI, 1205904133, was assigned on November 30, 2006. Mark Wille graduated from David Geffen School of Medicine at UCLA in 1972. Mark Wille's California license number on file is G25177.
- NPI
- 1205904133NPI Registry (opens in a new tab)
- NPI enumeration date
- November 30, 2006
- NPI status
- Active
- Practice phone
- (925) 370-5000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Medical school graduation
- 1972
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data
Mark Wille practices at Contra Costa Regional Medical Center in Martinez, California
Mark Wille's primary practice is Contra Costa Regional Medical Center, at 2500 Alhambra Avenue, Martinez, CA 94553 in Contra Costa County. The practice phone is (925) 370-5000.
- Contra Costa Regional Medical Center2500 Alhambra Avenue, Martinez, CA 94553 · Contra Costa CountyPhone(925) 370-5000
Source: Dmand AI Affiliation Data
Mark Wille is affiliated with 1 site of care
Mark Wille's primary practice is Contra Costa Regional Medical Center in Martinez, California, part of State of California.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Mark Wille's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Mark Wille practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Contra Costa Regional Medical Center | Available with a free account |
Source: Dmand AI Technology Install Data
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Mark Wille is one of 16,751 internists in California
Internal medicine is Mark Wille's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Mark Wille is board certified in internal medicine by the American Board of Internal Medicine. Mark Wille has a license on file in California.
Specialties and state licenses
- Internal medicine, CaliforniaPrimary
Internists near Mark Wille
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
Mark Wille's patients have a median age of 73
Across all payers, Dmand AI patient panel data puts Mark Wille's median patient age at 73, with 46% women.
Mark Wille's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 73
Patient panel by sex, all payers
- Women46%
- Men54%
Source: Dmand AI Patient Panel Data
Mark Wille wrote 268 Medicare Part D claims in 2022
In 2022, Mark Wille wrote 268 Medicare Part D claims. They cover 17 drugs, with $37,470 in total drug cost. In 2021, CMS named 779 claims across 35 drugs.
Mark Wille's most prescribed drugs by claims, 2022
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, 2021 to 2022
- 2021
- 2022
- Claims for drugs CMS names
- 2021: 7792022: 26866%
Drugs named by CMS: 17 in 2022, 35 in 2021.
Source: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026
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Mark Wille received $88 in industry payments in 2017
CMS Open Payments shows 1 general payment to Mark Wille from 1 drug or device company in 2017. Food and beverage make up the largest share, 100% of the total. Boston Scientific Corporation paid the most, $88.
Companies that paid Mark Wille the most, 2017 to 2017
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Mark Wille graduated from David Geffen School of Medicine at UCLA
Mark Wille graduated from David Geffen School of Medicine at UCLA in 1972.
- Medical school
- Board certified in internal medicine
Source: Dmand AI Professional Profile Data
Sources for Mark Wille'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 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) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile 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 Mark Wille
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Mark Wille's NPI number?
Mark Wille's NPI number is 1205904133. It was assigned on November 30, 2006, and it is active in the NPI Registry.
What does Mark Wille specialize in?
Mark Wille is an internist in Martinez, California. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Mark Wille practice?
Mark Wille practices at 2500 Alhambra Avenue, Martinez, CA 94553. Mark Wille's primary practice is Contra Costa Regional Medical Center in Martinez, California, part of State of California.
What is Mark Wille's office phone number?
The practice phone on file for Mark Wille is (925) 370-5000.
What is Mark Wille's medical license number?
Mark Wille's California license number on file is G25177.
Which hospitals is Mark Wille affiliated with?
Mark Wille practices at Contra Costa Regional Medical Center in Martinez, California.
Is Mark Wille board certified?
Yes. Mark Wille is board certified in internal medicine by the American Board of Internal Medicine.
Where did Mark Wille go to medical school?
Mark Wille graduated from David Geffen School of Medicine at UCLA in 1972.
What drugs does Mark Wille prescribe most?
In 2022 Medicare Part D data, Mark Wille's most prescribed drugs by claims were Amlodipine Besylate, Atorvastatin Calcium and Lisinopril.
Has Mark Wille received payments from drug or device companies?
CMS Open Payments shows $88 in general payments to Mark Wille from 1 company from 2017 to 2017. The largest total came from Boston Scientific Corporation.
How long has Mark Wille been practicing?
Mark Wille graduated from medical school in 1972, 54 years ago.
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