Dr. Brian Holahan, DO
- Part D claims, 2024
- 545
- Publications
- 3
- Hospital affiliations
- 4
- Industry payments
- $3,652
- Medical group
- 1
- Practice address
- 525 Lilly Rd NE, Olympia, WA 98506
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Providence Medical Group Olympia Cardiac Surgery - HOPD
Acute Care Hospital outpatient department · Olympia, Washington
Find Dr. Holahan's professional email, personal email and mobile number
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Dr. Brian Holahan is an internist in Olympia, Washington
Dr. Holahan practices at Providence Medical Group Olympia Cardiac Surgery - HOPD in Olympia, Washington.
Dr. Holahan's NPI, 1578054375, was assigned on May 29, 2018. Dr. Holahan graduated from University of New England, College of Osteo Medicine in 2018. Dr. Holahan holds Pennsylvania license OT018409.
- NPI
- 1578054375NPI Registry (opens in a new tab)
- Medicare PAC ID
- 5294082707
- NPI enumeration date
- May 29, 2018
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 34
- Medical school graduation
- 2018
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Brian Holahan practices at Providence Medical Group Olympia Cardiac Surgery - HOPD in Olympia, Washington
Dr. Holahan's primary practice is Providence Medical Group Olympia Cardiac Surgery - HOPD, at 525 Lilly Rd NE, Olympia, WA 98506.
- Providence Medical Group Olympia Cardiac Surgery - HOPD525 Lilly Rd NE, Olympia, WA 98506
Source: Dmand AI Affiliation Data
Dr. Brian Holahan is affiliated with 6 sites of care and 1 medical group
Dr. Holahan's primary practice is Providence Medical Group Olympia Cardiac Surgery - HOPD in Olympia, Washington. Dr. Holahan is also affiliated with Providence St. Peter Hospital. The medical group on file is Providence Medical Group - South Puget Sound (Olympia). Dmand AI also links Dr. Holahan to 3 more hospitals and 1 group practice or clinic, each named with a free account. Dr. Holahan's employer is on file too: a hospital.
Source: Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Brian Holahan's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Holahan practices, 6 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Providence Medical Group Olympia Cardiac Surgery - HOPD | Available with a free account |
| +5 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Brian Holahan is one of 2,689 internists in Washington
Internal medicine is Dr. Holahan's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Holahan is licensed in Pennsylvania.
Specialties and state licenses
- Internal medicine, PennsylvaniaPrimary
Internists near Dr. Holahan
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. Brian Holahan's patients have a median age of 74
Across all payers, Dmand AI patient panel data puts Dr. Holahan's median patient age at 74, with 46% women.
Dr. Holahan's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 74
Patient panel by sex, all payers
- Women46%
- Men54%
Source: Dmand AI Patient Panel Data
Dr. Brian Holahan wrote 545 Medicare Part D claims in 2024
In 2024, Dr. Holahan wrote 545 Medicare Part D claims for 81 patients. 77% of them were for generic drugs. CMS names the drug for 464 of them, across 15 drugs with 11 or more claims each, at $87,062 in total drug cost. In 2023, CMS named 278 claims across 12 drugs.
Dr. Holahan's Part D claims by kind of drug, 2024
- Generic417 claims77%
- Brand-name128 claims23%
Dr. Holahan'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, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 2782024: 46467%
Drugs named by CMS: 15 in 2024, 12 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
Dr. Brian Holahan ranks in the 53rd percentile for coronary angioplasty and stenting in Medicare
Dr. Holahan accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Holahan as offering telehealth. CMS counts 22 procedures of coronary angioplasty and stenting by Dr. Holahan, more than 53% of the clinicians it reports for that procedure.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Where Dr. Holahan ranks in Medicare procedure volume
- Coronary angioplasty and stenting
- 53rd percentile22 procedures
CMS ranks each clinician against every clinician it reports for the same procedure category.
Pacemaker insertion or repair: 1 to 10 procedures (CMS shows small counts as a range)
Sources: Doctors and Clinicians National Downloadable File (CMS); and Doctors and Clinicians Utilization Data (CMS)
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Dr. Brian Holahan has 3 publications on record
Dmand AI links 3 papers to Dr. Holahan in 2019. The most frequent topics are Breast Neoplasms. Dr. Holahan's most frequent co-authors are Andrea Marangoni Bodine, MD, Edi Brogi, MD and Valencia King, MD.
Topics Dr. Holahan writes about most
- Breast Neoplasms
Dr. Holahan's most frequent co-authors
- Andrea Marangoni Bodine, MD1 shared paper
- Edi Brogi, MD1 shared paper
- Valencia King, MD1 shared paper
Recent publications by Dr. Holahan
J Am Osteopath Assoc
See who Dr. Holahan researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Holahan 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. Brian Holahan received $3,652 in industry payments from 2021 to 2025
CMS Open Payments shows 24 general payments to Dr. Holahan from 12 drug and device companies from 2021 to 2025. Food and beverage make up the largest share, 48% of the total. Boston Scientific Corporation paid the most, $1,509.
General payments to Dr. Holahan by program year, 2021 to 2025
General payments to Dr. Holahan by kind, 2021 to 2025
- Food and beverage$1,76248%
- Grants$1,12631%
- Education$55515%
- Travel and lodging$2096%
Companies that paid Dr. Holahan the most, 2021 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Brian Holahan graduated from University of New England, College of Osteo Medicine
Dr. Holahan graduated from University of New England, College of Osteo Medicine in 2018.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Brian Holahan'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 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)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)Doctors and Clinicians Utilization Data (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 |
| 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. Brian Holahan
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. Brian Holahan's NPI number?
Dr. Brian Holahan's NPI number is 1578054375. It was assigned on May 29, 2018, and it is active in the NPI Registry.
What kind of doctor is Dr. Brian Holahan?
Dr. Brian Holahan is an internist in Olympia, Washington. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Brian Holahan practice?
Dr. Holahan practices at 525 Lilly Rd NE, Olympia, WA 98506. Dr. Holahan's primary practice is Providence Medical Group Olympia Cardiac Surgery - HOPD in Olympia, Washington. Dmand AI also links Dr. Holahan to 3 hospitals and 1 group practice or clinic.
What is Dr. Brian Holahan's medical license number?
Dr. Holahan holds Pennsylvania license OT018409.
Which hospitals is Dr. Brian Holahan affiliated with?
Dr. Holahan is affiliated with Providence St. Peter Hospital. Dmand AI links Dr. Holahan to 3 more hospitals.
What medical group is Dr. Brian Holahan part of?
Dr. Holahan is linked to Providence Medical Group - South Puget Sound (Olympia).
Does Dr. Brian Holahan accept Medicare?
Yes. CMS lists Dr. Holahan as accepting Medicare assignment.
Does Dr. Brian Holahan offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Holahan as offering telehealth services.
Where did Dr. Brian Holahan go to medical school?
Dr. Holahan graduated from University of New England, College of Osteo Medicine in 2018.
What drugs does Dr. Brian Holahan prescribe most?
In 2024 Medicare Part D data, Dr. Holahan's most prescribed drugs by claims were Metoprolol Succinate, Atorvastatin Calcium and Eliquis.
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Has Dr. Brian Holahan received payments from drug or device companies?
CMS Open Payments shows $3,652 in general payments to Dr. Holahan from 12 companies from 2021 to 2025. The largest total came from Boston Scientific Corporation.
How long has Dr. Brian Holahan been practicing?
Dr. Holahan graduated from medical school in 2018, 8 years ago.
Does Dr. Brian Holahan do research?
Dmand AI links 3 publications to Dr. Holahan.
Who does Dr. Brian Holahan publish with?
Dr. Holahan's most frequent co-authors are Andrea Marangoni Bodine, MD (1 shared paper), Edi Brogi, MD (1 shared paper) and Valencia King, MD (1 shared paper).
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