Alcohol Clin Exp Res
Dr. Mark Leon Willenbring, MD
- Medicare services, 2016
- 41
- Part D claims, 2024
- 75
- Publications
- 68
- Industry payments
- $41
- Medical groups
- 3
- Practice address
- 6755 Mira Mesa Blvd, San Diego, CA 92121
- Practice phone
- Call (917) 391-0076
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
NYC Psychiatric Associates
San Diego, California
Find Dr. Willenbring'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. Mark Leon Willenbring is a psychiatrist in San Diego, California
Dr. Willenbring practices at NYC Psychiatric Associates in San Diego, California.
Dr. Willenbring's NPI, 1003930124, was assigned on March 16, 2007. Dr. Willenbring graduated from University Of Minnesota Medical School in 1974. Dr. Willenbring's Minnesota license number on file is 22040.
- NPI
- 1003930124NPI Registry (opens in a new tab)
- NPI enumeration date
- March 16, 2007
- NPI status
- Active
- Practice phone
- (917) 391-0076
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Medical school graduation
- 1974
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Practice Data
Dr. Mark Leon Willenbring practices at NYC Psychiatric Associates in San Diego, California
Dr. Willenbring's primary practice is NYC Psychiatric Associates, at 6755 Mira Mesa Blvd, San Diego, CA 92121 in San Diego County. The practice phone is (917) 391-0076.
- NYC Psychiatric Associates6755 Mira Mesa Blvd, San Diego, CA 92121 · San Diego CountyPhone(917) 391-0076
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Mark Leon Willenbring is affiliated with 1 site of care and 3 medical groups
Dr. Willenbring's primary practice is NYC Psychiatric Associates in San Diego, California. The medical group on file is NYC Psychiatric Associates. Dmand AI also links Dr. Willenbring to 2 more 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. Mark Leon Willenbring's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Willenbring practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| NYC Psychiatric Associates | Available with a free account |
| +2 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Mark Leon Willenbring is one of 6,803 psychiatrists in California
Psychiatry is Dr. Willenbring's primary specialty in the NPI Registry, under taxonomy code 2084P0800X. Dr. Willenbring is board certified in psychiatry by the American Board of Psychiatry and Neurology. Dmand AI has Dr. Willenbring's licenses on file in 15 states: Minnesota, South Dakota, Colorado, West Virginia, Arkansas, Georgia, Hawaii, Illinois, Oklahoma, Rhode Island, Arizona, California, Florida, Indiana and Massachusetts.
Specialties and state licenses
- Psychiatry, MinnesotaPrimary
- South Dakota license
- Colorado license
- West Virginia license
- Arkansas license
- Georgia license
- Hawaii license
- Illinois license
- Oklahoma license
- Rhode Island license
- Arizona license
- California license
- Florida license
- Indiana license
- Massachusetts license
Psychiatrists near Dr. Willenbring
Counts of psychiatrists 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. Mark Leon Willenbring billed Medicare for 41 services in 2016
CMS data shows 41 Medicare services from Dr. Willenbring across 1 procedure code in 2016, all of them office visits. Medicare paid $2,999 for them. Every service was in an office.
Dr. Willenbring compared with the California median for psychiatrists, 2016
- Dr. Willenbring
- California median
- Medicare services
- 41vs 11966% below
- Part D claims
- 13vs 14491% below
Medians across 6,809 psychiatrists in California with Dmand AI profiles that report each measure.
Dr. Willenbring's most billed Medicare procedure codes, 2016
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. Willenbring?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Willenbring and other psychiatrists in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Mark Leon Willenbring's patients have a median age of 33
Across all payers, Dmand AI patient panel data puts Dr. Willenbring's median patient age at 33, with 51% women.
Dr. Willenbring's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 33
Patient panel by sex, all payers
- Women51%
- Men47%
Source: Dmand AI Patient Panel Data
Dr. Mark Leon Willenbring wrote 75 Medicare Part D claims in 2024
In 2024, Dr. Willenbring wrote 75 Medicare Part D claims. 96% of them were for generic drugs. CMS names the drug for 13 of them, across 1 drug with 11 or more claims each, at $381 in total drug cost. In 2021, CMS named 173 claims across 9 drugs.
Dr. Willenbring's Part D claims by kind of drug, 2024
- Generic72 claims96%
- Brand-name and other3 claims4%
Dr. Willenbring'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.
Part D claims for drugs CMS names, 2021 to 2024
- 2021
- 2024
- Claims for drugs CMS names
- 2021: 1732024: 1392%
Drugs named by CMS: 1 in 2024, 9 in 2021.
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. Mark Leon Willenbring has 68 publications on record
Dmand AI links 68 papers to Dr. Willenbring, published from 2006 to 2013. 2006 was the busiest year, with 2. The most frequent topics are Alcoholism, Substance-Related Disorders and Minnesota. Dr. Willenbring has published most often in Alcohol Clin Exp Res. Dr. Willenbring's most frequent co-authors are Steven S. Fu, MD, Libin Ho, MD, PhD and Bankole A. Johnson, MD.
Dr. Willenbring's papers by year, 2006 to 2013
Topics Dr. Willenbring writes about most
- Alcoholism
- Substance-Related Disorders
- Minnesota
- Veterans
- Alcohol Drinking
- Smoking Cessation
- Mental Disorders
- Ambulatory Care
Dr. Willenbring's most frequent co-authors
Recent publications by Dr. Willenbring
Drug Alcohol Depend
J Subst Abuse Treat
Am J Prev Med
See who Dr. Willenbring researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Willenbring works with, so you can find a warm path to the right psychiatrists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Mark Leon Willenbring received $41 in industry payments from 2016 to 2018
CMS Open Payments shows 3 general payments to Dr. Willenbring from 2 drug and device companies from 2016 to 2018. Food and beverage make up the largest share, 100% of the total. Shire North American Group Inc paid the most, $26.
General payments to Dr. Willenbring by program year, 2016 to 2018
Companies that paid Dr. Willenbring the most, 2016 to 2018
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Mark Leon Willenbring has 17 awards and honors on record
Dmand AI lists 17 awards for Dr. Willenbring, most recently CMS Stage 1 EHR in 2011.
Awards and honors for Dr. Willenbring
- 2011
- CMS Stage 1 EHR
- 2009
- Marty Mann Founder
- 2008
- Certificate for Outstanding Contributions
- NIH Director’s
- 2007
- Emmy Award to NIAAA
- 2006
- Distinguished Technical Communication
Source: Dmand AI Professional Profile Data
Dr. Mark Leon Willenbring graduated from University Of Minnesota Medical School
Dr. Willenbring graduated from University Of Minnesota Medical School in 1974. Dr. Willenbring is a member of American Academy of Addiction Psychiatry, APA and ASAM.
- Medical school
- Board certified in psychiatry
Source: Dmand AI Professional Profile Data
Dr. Mark Leon Willenbring accepts plans from 9 insurance carriers
Dr. Willenbring is in network with 9 carriers, including Aetna, Elevance and Blue Cross Blue Shield of Michigan. Medicare plans come from the most carriers, 7. Check the plan with the practice before a visit.
- Aetna
- Elevance
- Blue Cross Blue Shield of Michigan
- United Healthcare
- Blue Cross Blue Shield of Massachusetts
- HCSC
- MVP Health Care
- Regence Health Plans
- +1 more carriersWith a free account
Plan types Dr. Willenbring accepts, by number of carriers
- Medicare7
- PPO7
- HMO4
- POS4
- EPO3
- Medicaid2
Source: Dmand AI Insurance Network Data
Sources for Dr. Mark Leon Willenbring'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 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) |
| 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. Mark Leon Willenbring
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. Mark Leon Willenbring's NPI number?
Dr. Mark Leon Willenbring's NPI number is 1003930124. It was assigned on March 16, 2007, and it is active in the NPI Registry.
What kind of doctor is Dr. Mark Leon Willenbring?
Dr. Mark Leon Willenbring is a psychiatrist in San Diego, California. The primary specialty in the NPI Registry is Psychiatry Physician (taxonomy code 2084P0800X).
Where does Dr. Mark Leon Willenbring practice?
Dr. Willenbring practices at 6755 Mira Mesa Blvd, San Diego, CA 92121. Dr. Willenbring's primary practice is NYC Psychiatric Associates in San Diego, California. Dmand AI also links Dr. Willenbring to 2 medical groups.
What is Dr. Mark Leon Willenbring's office phone number?
The practice phone on file for Dr. Willenbring is (917) 391-0076.
What is Dr. Mark Leon Willenbring's medical license number?
Dr. Willenbring's Minnesota license number on file is 22040, one of the licenses on file in 15 states.
Which states has Dr. Mark Leon Willenbring been licensed in?
Dmand AI has state licenses on file for Dr. Willenbring in Minnesota (1975 to 2025), South Dakota (since 2025), Colorado (2022 to 2027), West Virginia (2022 to 2027), Arkansas (2021 to 2026), Georgia (2022 to 2026), Hawaii (2022 to 2026), Illinois (2022 to 2026), Oklahoma (2022 to 2026), Rhode Island (2021 to 2026), Arizona (2022 to 2025), California (2018 to 2025), Florida (2021 to 2025), Indiana (2022 to 2025) and Massachusetts (2024 to 2025).
What medical group is Dr. Mark Leon Willenbring part of?
Dr. Willenbring is linked to NYC Psychiatric Associates. Dmand AI links Dr. Willenbring to 2 more medical groups.
Does Dr. Mark Leon Willenbring accept Medicare?
Yes. CMS data shows Dr. Willenbring billed Medicare for 41 services in 2016.
Is Dr. Mark Leon Willenbring board certified?
Yes. Dr. Willenbring is board certified in psychiatry by the American Board of Psychiatry and Neurology.
What services does Dr. Mark Leon Willenbring bill to Medicare?
In 2016, Dr. Willenbring's most billed Medicare services were office visit, established patient (99214).
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Where did Dr. Mark Leon Willenbring go to medical school?
Dr. Willenbring graduated from University Of Minnesota Medical School in 1974.
What drugs does Dr. Mark Leon Willenbring prescribe most?
In 2024 Medicare Part D data, Dr. Willenbring's most prescribed drugs by claims were Gabapentin.
Has Dr. Mark Leon Willenbring received payments from drug or device companies?
CMS Open Payments shows $41 in general payments to Dr. Willenbring from 2 companies from 2016 to 2018. The largest total came from Shire North American Group Inc.
How long has Dr. Mark Leon Willenbring been practicing?
Dr. Willenbring graduated from medical school in 1974, 52 years ago.
Does Dr. Mark Leon Willenbring do research?
Dmand AI links 68 publications to Dr. Willenbring, published from 2006 to 2013.
Who does Dr. Mark Leon Willenbring publish with?
Dr. Willenbring's most frequent co-authors are Steven S. Fu, MD (1 shared paper), Libin Ho, MD, PhD (1 shared paper) and Bankole A. Johnson, MD (1 shared paper).
What insurance does Dr. Mark Leon Willenbring accept?
Dr. Willenbring is in network with 9 carriers, including Aetna, Elevance and Blue Cross Blue Shield of Michigan. Medicare plans come from the most carriers, 7. Check the plan with the practice before a visit.
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