Terrence J. Cahill, MD
Physical Medicine & Rehabilitation Physician · Billings, MT
Terrence J. Cahill, MD is a physical medicine & rehabilitation physician with a practice address in Billings, Montana, and NPI 1528382603, issued on Mar 18, 2010. Check the license (Montana 12375, as entered in NPPES) on the Montana Board of Medical Examiners; the Medicare figures below come from public CMS files.
- Name
- Terrence J. Cahill
- Credential
- MD
- Primary taxonomy
- Physical Medicine & Rehabilitation Physician 208100000X
- License numbers
- 12375 MT
036121926 IL
Self-reported in NPPES; status is on the state search - Practice location
- 801 N 29TH St, Billings, MT 59101
- Phone
- (406) 238-2500
- Enumerated
- Mar 18, 2010
- Record last updated
- Feb 22, 2022
- Medicare enrollment
- Enrolled (PECOS I20101005001298); accepts Medicare assignment
- Medical or professional school
- University Of Illinois College Of Med (Chi/Peor/Rock/Chm-Urb), 2006
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest physical medicine & rehabilitation physician records → All 47 in Montana → Look up another NPI →
Also registered at 801 N 29TH St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Juan Adams, M.D.Allergy & Immunology Physician1144512096
- Daniel AlmeStudent in an Organized Health Care Education/Training Program1477349165
- Luis Alvarez, MDClinical Cardiac Electrophysiology Physician1417951922
- Annalee Anderson, MA, CCC-SLPSpeech-Language Pathologist1083047088
- Bijan Andrade, DPMFoot & Ankle Surgery Podiatrist1891059556
Verify Terrence J. Cahill in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMontana Board of Medical Examiners
Search for license 12375Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
24% more Medicare Part D claims than the average physical medicine & rehabilitation physician in 2024
898 Medicare Part D claims for 132 beneficiaries, against an average of 727 among the 7,448 providers of this specialty who prescribed in Part D. Brand-name drugs were 3% of claims. 129 claims were for opioids.
Most prescribed
- Baclofen141 claims
- Gabapentin126 claims
- Hydrocodone-Acetaminophen57 claims
- Tramadol Hcl57 claims
- Pregabalin55 claims
- Tizanidine Hcl47 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.
The MIPS final score for 2023 (Medicare payment program): 94.3 of 100
The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).
One hospital affiliation
- Billings ClinicBillings, MT · Acute Care Hospitals4 of 5 stars
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.
Terrence J. Cahill among 47 physical medicine & rehabilitation physician records in Montana
Terrence J. Cahill, MD is one of 47 physical medicine & rehabilitation physician records with a practice address in Montana. 43% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2010, is newer than 47% of them.
- NPI issued2010 · 47% of these records are older, 49% newer
- In a Medicare fileYes · 43% of these records are
- In the CMS Doctors and Clinicians fileYes · 32% of these records are
- Graduated2006 · median 2013 among the 15 with a school on file
- Record last updated2022 · 60% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208100000X and a Montana practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Physical Medicine & Rehabilitation Physician providers in Montana
There are 47 physical medicine & rehabilitation physician records in Montana.
All 47 in Montana → Every provider in Billings → Physical Medicine & Rehabilitation Physician nationwide →
The 8 physical medicine & rehabilitation physician records with the nearest ZIP codes
- William Anderson, MDBillings, MT 591011730125006
- Lindsey Beck, DOBillings, MT 591011043570880
- Blackshear Bryan, MDBillings, MT 591011013086198
- Tyler Clark, MDBillings, MT 591011831623826
- Bonnie Dean, MDBillings, MT 591011649216912
- Josiah Engebretson, DPTBillings, MT 591011437822814
- Earl Healy, D.O.Billings, MT 591011942643663
- Theresa HenryBillings, MT 591011538783881
Common questions
What is Terrence J. Cahill, MD's NPI number?
Terrence J. Cahill, MD's National Provider Identifier (NPI) is 1528382603, issued on Mar 18, 2010. An NPI identifies a provider in billing; it is not a license.
Where is Terrence J. Cahill, MD located?
The NPPES record lists a practice address at 801 N 29TH St, Billings, MT, 59101. Phone: (406) 238-2500. Providers update this record themselves, so call before visiting.
How can I verify Terrence J. Cahill, MD's license?
NPPES lists Montana license number 12375, 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 Terrence J. Cahill, MD prescribe under Medicare Part D?
In 2024, Terrence J. Cahill, MD had 898 Medicare Part D claims for 132 beneficiaries; the average among physical medicine & rehabilitation physician prescribers was 727. Part D covers Medicare prescriptions only.
What is Terrence J. Cahill, MD's MIPS final score?
The 2023 MIPS final score is 94.3 of 100. The average among 454,083 clinicians with a measured score was 83.5.
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.