Dr. Willis S. Bowman, MD
- Medicare services, 2022
- 180
- Medicare patients, 2024
- 19
- Part D claims, 2024
- 583
- Publications
- 9
- Hospital affiliations
- 2
- Practice address
- 1600 Eureka Road, Roseville, CA 95661
- Practice phone
- Call (916) 784-4000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Bowman'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. Willis S. Bowman is an internist in Roseville, California
Dr. Bowman practices at Roseville Medical Center in Roseville, California, part of Kaiser Permanente.
Dr. Bowman's NPI, 1477970697, was assigned on March 26, 2014. Dr. Bowman graduated from University Of Kentucky College Of Medicine in 2014. Dr. Bowman's California license number on file is A140103.
- NPI
- 1477970697NPI Registry (opens in a new tab)
- Medicare PAC ID
- 9830480698
- NPI enumeration date
- March 26, 2014
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (916) 784-4000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 38
- Medical school graduation
- 2014
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Willis S. Bowman practices at Roseville Medical Center in Roseville, California
Dr. Bowman's primary practice is Roseville Medical Center, at 1600 Eureka Road, Roseville, CA 95661 in Placer County. The practice phone is (916) 784-4000.
- Roseville Medical Center1600 Eureka Road, Roseville, CA 95661 · Placer CountyPhone(916) 784-4000
Source: Dmand AI Affiliation Data
Dr. Willis S. Bowman is affiliated with 4 sites of care and 2 medical groups
Dr. Bowman's primary practice is Roseville Medical Center in Roseville, California, part of Kaiser Permanente. Dr. Bowman is also affiliated with Sacramento Medical Center. The medical group on file is The Permanente Medical Group, Inc. Dmand AI also links Dr. Bowman to 2 more group practices and clinics and 1 medical group, 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. Willis S. Bowman's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Bowman practices, 4 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Roseville Medical Center | Available with a free account |
| +3 more sites and 1 medical group | 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 Kaiser Permanente and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Willis S. Bowman is one of 16,751 internists in California
Internal medicine is Dr. Bowman's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Bowman is board certified in critical care medicine by the American Board of Internal Medicine. Dr. Bowman has a license on file in California.
Specialties and state licenses
- Internal medicine, CaliforniaPrimary
Clinical focus
Dmand AI lists tobacco use among the conditions Dr. Bowman treats.
Internists near Dr. Bowman
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
Dr. Willis S. Bowman billed Medicare for 180 services in 2022
CMS data shows 180 Medicare services from Dr. Bowman across 4 procedure codes in 2022, all of them office visits, for 19 Medicare patients. Medicare paid $12,454 for them. Every service was in an office.
Dr. Bowman's Medicare services by type, 2021 to 2022
- 2021
- 2022
- Office and hospital visits
- 2021: 362022: 180400%
Dr. Bowman compared with the California median for internists, 2022
- Dr. Bowman
- California median
- Medicare services
- 180vs 36150% below
- Medicare patients
- 19vs 15187% below
- Part D claims
- 472vs 42112% above
Medians across 15,815 internists in California with Dmand AI profiles that report each measure.
Dr. Bowman's most billed Medicare procedure codes, 2022
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. Bowman?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Bowman and other internists in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Willis S. Bowman treated 19 Medicare patients in 2024, average age 64
CMS counts 19 Medicare patients who saw Dr. Bowman in 2024. The largest group is 85 and over, with 0 patients. 75% of them have high blood pressure, and 58% have copd. Their average risk score is 3.20, 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. Bowman's median patient age at 66, with 51% women.
Dr. Bowman's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Chronic conditions among Dr. Bowman's Medicare patients, 2024
- High blood pressure75%
- COPD58%
Share of Medicare patients with each condition. A patient can have several.
Dr. Bowman's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 66
Patient panel by sex, all payers
- Women51%
- Men49%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Willis S. Bowman wrote 583 Medicare Part D claims in 2024
In 2024, Dr. Bowman wrote 583 Medicare Part D claims for 145 patients. 68% of them were for generic drugs. CMS names the drug for 472 of them, across 14 drugs with 11 or more claims each, at $425,342 in total drug cost. In 2023, CMS named 291 claims across 13 drugs.
Dr. Bowman's Part D claims by kind of drug, 2024
- Generic397 claims68%
- Brand-name186 claims32%
Dr. Bowman'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. Bowman's Part D claims, 2024
- Antibiotics9%53 of 583 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: 2912024: 47262%
Drugs named by CMS: 14 in 2024, 13 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. Willis S. Bowman takes part in Medicare
Dr. Bowman 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)
For MedTech and pharma teams
Filter 7.4M+ HCPs by Medicare procedures, Part D drugs and Open Payments history, then reach them with verified contacts in one login.
Dr. Willis S. Bowman has 9 publications on record
Dmand AI links 9 papers to Dr. Bowman, published from 2019 to 2024. 2021 was the busiest year, with 2. The most frequent topics are Idiopathic Pulmonary Fibrosis and Lung Diseases, Interstitial. Dr. Bowman has published most often in Chest. Dr. Bowman's most frequent co-authors are Justin M. Oldham, MD, Chad Alan Newton, MD and Janelle Vu Pugashetti, MD.
Dr. Bowman's papers by year, 2019 to 2024
Topics Dr. Bowman writes about most
- Idiopathic Pulmonary Fibrosis
- Lung Diseases, Interstitial
Dr. Bowman's most frequent co-authors
- Justin M. Oldham, MD3 shared papers
- Chad Alan Newton, MD2 shared papers
- Janelle Vu Pugashetti, MD2 shared papers
Recent publications by Dr. Bowman
Lancet Respir Med
See who Dr. Bowman researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Bowman works with, so you can find a warm path to the right internists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Willis S. Bowman received $260 in industry payments from 2016 to 2020
CMS Open Payments shows 3 general payments to Dr. Bowman from 2 drug and device companies from 2016 to 2020. Food and beverage make up the largest share, 100% of the total. Allergan Inc. paid the most, $144.
General payments to Dr. Bowman by program year, 2016 to 2020
Companies that paid Dr. Bowman 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. Willis S. Bowman graduated from University Of Kentucky College Of Medicine
Dr. Bowman graduated from University Of Kentucky College Of Medicine in 2014.
- Medical school
- Board certified in critical care medicine
- Board certified in internal medicine
- Board certified in pulmonary disease
Source: Dmand AI Professional Profile Data
Dr. Willis S. Bowman accepts plans from 3 insurance carriers
Dr. Bowman is in network with 3 carriers, including Kaiser Permanente, CMS Medicare and NV State Medicaid. EPO plans come from the most carriers, 1. Check the plan with the practice before a visit.
- Kaiser Permanente
- CMS Medicare
- NV State Medicaid
Plan types Dr. Bowman accepts, by number of carriers
- EPO1
- HMO1
- Medicaid1
- Medicare1
- POS1
Source: Dmand AI Insurance Network Data
Sources for Dr. Willis S. Bowman'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) |
| 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. Willis S. Bowman
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. Willis S. Bowman's NPI number?
Dr. Willis S. Bowman's NPI number is 1477970697. It was assigned on March 26, 2014, and it is active in the NPI Registry.
What kind of doctor is Dr. Willis S. Bowman?
Dr. Willis S. Bowman is an internist in Roseville, California. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Willis S. Bowman practice?
Dr. Bowman practices at 1600 Eureka Road, Roseville, CA 95661. Dr. Bowman's primary practice is Roseville Medical Center in Roseville, California, part of Kaiser Permanente. Dmand AI also links Dr. Bowman to 2 group practices and clinics and 1 medical group.
What is Dr. Willis S. Bowman's office phone number?
The practice phone on file for Dr. Bowman is (916) 784-4000.
What is Dr. Willis S. Bowman's medical license number?
Dr. Bowman's California license number on file is A140103.
Which hospitals is Dr. Willis S. Bowman affiliated with?
Dr. Bowman practices at Roseville Medical Center in Roseville, California. Dr. Bowman is also affiliated with Sacramento Medical Center.
What medical group is Dr. Willis S. Bowman part of?
Dr. Bowman is linked to The Permanente Medical Group, Inc. Dmand AI links Dr. Bowman to 1 more medical group.
Does Dr. Willis S. Bowman accept Medicare?
Yes. CMS data shows Dr. Bowman billed Medicare for 180 services in 2022, and Dr. Bowman accepts Medicare assignment.
How many Medicare patients does Dr. Willis S. Bowman see?
CMS counts 19 Medicare patients who saw Dr. Bowman in 2024, with an average age of 64.
Is Dr. Willis S. Bowman board certified?
Yes. Dr. Bowman is board certified in critical care medicine by the American Board of Internal Medicine.
Show 8 more questionsShow fewer questions
What services does Dr. Willis S. Bowman bill to Medicare?
In 2022, Dr. Bowman's most billed Medicare services were office visit, established patient (99214), office visit, established patient (99213) and office visit, new patient (99204).
Where did Dr. Willis S. Bowman go to medical school?
Dr. Bowman graduated from University Of Kentucky College Of Medicine in 2014.
What drugs does Dr. Willis S. Bowman prescribe most?
In 2024 Medicare Part D data, Dr. Bowman's most prescribed drugs by claims were Breyna, Pirfenidone and Spiriva Respimat.
Has Dr. Willis S. Bowman received payments from drug or device companies?
CMS Open Payments shows $260 in general payments to Dr. Bowman from 2 companies from 2016 to 2020. The largest total came from Allergan Inc.
How long has Dr. Willis S. Bowman been practicing?
Dr. Bowman graduated from medical school in 2014, 12 years ago.
Does Dr. Willis S. Bowman do research?
Dmand AI links 9 publications to Dr. Bowman, published from 2019 to 2024.
Who does Dr. Willis S. Bowman publish with?
Dr. Bowman's most frequent co-authors are Justin M. Oldham, MD (3 shared papers), Chad Alan Newton, MD (2 shared papers) and Janelle Vu Pugashetti, MD (2 shared papers).
What insurance does Dr. Willis S. Bowman accept?
Dr. Bowman is in network with 3 carriers, including Kaiser Permanente, CMS Medicare and NV State Medicaid. EPO plans come from the most carriers, 1. Check the plan with the practice before a visit.
Selling to internal medicine practices?
See internists in California by site of care and group
Find the practices, groups and hospitals they work with, and the right people to contact at each.
- 30 days free
- Self-serve
- No credit card