Elizabeth Tapen, MD
Radiation Oncology Physician · Big Sky, MT
Elizabeth Tapen, MD is a radiation oncology physician with a practice address in Big Sky, Montana, and NPI 1134108525, issued on Jan 13, 2006. Check the license on the Montana Board of Medical Examiners; the Medicare figures below come from public CMS files.
- Name
- Elizabeth Tapen
- Credential
- MD
- Primary taxonomy
- Radiation Oncology Physician 2085R0001X
- License number
- 2323381 NY
Self-reported in NPPES; status is on the state search - Practice location
- 2091 Little Coyote RD Ste 161029, Big Sky, MT 59716
- Phone
- (845) 797-8700
- Enumerated
- Jan 13, 2006
- Entity
- Type 1 · individual
Verify Elizabeth Tapen in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMontana Board of Medical ExaminersCheck the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
50% fewer Medicare Part D claims than the average radiation oncology physician in 2024
67 Medicare Part D claims for 33 beneficiaries, against an average of 135 among the 4,225 providers of this specialty who prescribed in Part D.
Most prescribed
- Tamsulosin Hcl32 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Industry payments in 2024: $52.28
2 payments, mostly food and beverage; the largest payer was Janssen Biotech, Inc.. The 2,851 providers of this specialty with any payment received $1,903.20 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
2 hospital and facility affiliations
- Northbay Physicians Surgery Center, LLCFairfield, CA
- St. Helena HospitalSaint Helena, CA
Source: CMS Doctors and Clinicians affiliations; Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.
1 radiation oncology physician records list a Big Sky practice address
They are 1 of the 52 NPPES records with a Big Sky practice address, and 21 radiation oncology physician records in Montana.
Other radiation oncology physician records in Montana
- Christopher Baker, M.D.Bozeman, MT1609223932
- Richard Belgrad, M.D.Bozeman, MT1023061488
- Jeffrey Eshleman, M.D.Kalispell, MT1770561433
- Christopher Goulet, M.D.Billings, MT1437137155
- Eugene Hughes, M.D.Butte, MT1952519761
- Ralf Kiehl, MDSidney, MT1760483788
- Frank Lamm, MDBillings, MT1417949033
- Katherine Markette, M.D.Missoula, MT1407806987
- Margaret Menendez, M.D.Missoula, MT1447208079
- Trent Mihalick, M.D.Billings, MT1942306063
Common questions
What is Elizabeth Tapen, MD's NPI number?
Elizabeth Tapen, MD's National Provider Identifier (NPI) is 1134108525, issued on Jan 13, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Elizabeth Tapen, MD located?
The NPPES record lists a practice address at 2091 Little Coyote RD Ste 161029, Big Sky, MT, 59716. Phone: (845) 797-8700. Providers update this record themselves, so call before visiting.
How can I verify Elizabeth Tapen, MD's license?
Search the Montana Board of Medical Examiners at https://ebiz.mt.gov/POL/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Elizabeth Tapen, MD prescribe under Medicare Part D?
In 2024, Elizabeth Tapen, MD had 67 Medicare Part D claims for 33 beneficiaries; the average among radiation oncology physician prescribers was 135. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.