Anna Mary Christensen, MD
Hospitalist Physician · Great Falls, MT
Anna Mary Christensen, MD is a hospitalist physician with a practice address in Great Falls, Montana, and NPI 1124007943, issued on Jan 10, 2006. Check the license (Montana 91129, as entered in NPPES) on the Montana Board of Medical Examiners; the Medicare figures below come from public CMS files.
- Name
- Anna Mary Christensen
- Credential
- MD
- Primary taxonomy
- Hospitalist Physician 208M00000X
- License number
- 91129 MT
Self-reported in NPPES; status is on the state search - Practice location
- 1101 26TH St S, Great Falls, MT 59405
- Phone
- (406) 731-8888
- Enumerated
- Jan 10, 2006
- Record last updated
- Jan 30, 2023
- Fax
- (406) 731-8318
- Medicare enrollment
- Enrolled (PECOS I20220428001291); accepts Medicare assignment
- Medical or professional school
- University Of South Alabama College Of Medicine, 2015
- Entity
- Type 1 · individual
8 nearest hospitalist physician records → All 101 in Montana → Look up another NPI →
Also registered at 1101 26TH St S
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Anna Mary Christensen in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMontana Board of Medical Examiners
Search for license 91129Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
30% fewer Medicare Part D claims than the average hospitalist physician in 2024
366 Medicare Part D claims for 102 beneficiaries, against an average of 521 among the 21,613 providers of this specialty who prescribed in Part D. 21 claims were for opioids.
Most prescribed
- Metoprolol Succinate30 claims
- Atorvastatin Calcium26 claims
- Eliquis20 claims
- Cefdinir18 claims
- Pantoprazole Sodium18 claims
- Prednisone14 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.
2 hospitals and group practices
- Benefis Hospitals IncGreat Falls, MT · Acute Care Hospitals2 of 5 stars
- Cmsc LLCGreat Falls, MT
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through); hospitals matched to CMS Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.
Anna Mary Christensen among 101 hospitalist physician records in Montana
Anna Mary Christensen, MD is one of 101 hospitalist physician records with a practice address in Montana. 91% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 13% of them.
- NPI issued2006 · 13% of these records are older, 68% newer
- In a Medicare fileYes · 91% of these records are
- In the CMS Doctors and Clinicians fileYes · 78% of these records are
- Graduated2015 · median 2012 among the 79 with a school on file
- Record last updated2023 · 17% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208M00000X and a Montana practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
38 hospitalist physician records list a practice address in Great Falls
They are 38 of the 1,798 NPPES records with a practice address in Great Falls, and 101 hospitalist physician records in Montana.
All 101 in Montana → Every provider in Great Falls → Hospitalist Physician nationwide →
The 8 hospitalist physician records with the nearest ZIP codes
- Richard Blevins, MDGreat Falls, MT 594051851392740
- Nishan Dallakoti, M.D.Great Falls, MT 594051841484359
- James Geren, MDGreat Falls, MT 594051245325851
- Sukant Gupta, MDGreat Falls, MT 594051588639454
- Luba Hafkin, M.D.Great Falls, MT 594051942407028
- James Harkness, D.O.Great Falls, MT 594051376502658
- Chu Hong, MDGreat Falls, MT 594051124029004
- Michael Inniss, MDGreat Falls, MT 594051891090734
Common questions
What is Anna Mary Christensen, MD's NPI number?
Anna Mary Christensen, MD's National Provider Identifier (NPI) is 1124007943, issued on Jan 10, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Anna Mary Christensen, MD located?
The NPPES record lists a practice address at 1101 26TH St S, Great Falls, MT, 59405. Phone: (406) 731-8888. Providers update this record themselves, so call before visiting.
How can I verify Anna Mary Christensen, MD's license?
NPPES lists Montana license number 91129, as entered by the provider. 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 Anna Mary Christensen, MD prescribe under Medicare Part D?
In 2024, Anna Mary Christensen, MD had 366 Medicare Part D claims for 102 beneficiaries; the average among hospitalist physician prescribers was 521. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 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.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.