Erin Rains, D.O.
Critical Care Medicine (Internal Medicine) Physician · Billings, MT
Erin Rains, D.O. is a critical care medicine (internal medicine) physician with a practice address in Billings, Montana, and NPI 1164749511, issued on Apr 26, 2010. Check the license (Montana MED-PHY-LIC-57498, as entered in NPPES) on the Montana Board of Medical Examiners; the Medicare figures below come from public CMS files.
- Name
- Erin Rains
- Credential
- D.O.
- Primary taxonomy
- Critical Care Medicine (Internal Medicine) Physician 207RC0200X
- License numbers
- MED-PHY-LIC-57498 MT
OS016543 PA
Self-reported in NPPES; status is on the state search - Practice location
- 801 N 29TH St, Billings, MT 59101
- Phone
- (406) 238-2500
- Enumerated
- Apr 26, 2010
- Entity
- Type 1 · individual
Also registered at 801 N 29TH St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Kylie Abeson, MD, MPHHospitalist Physician1699334987
- Juan Adams, M.D.Pediatrics Physician1144512096
- Daniel AlmeStudent in an Organized Health Care Education/Training Program1477349165
- Luis Alvarez, MDCardiovascular Disease Physician1417951922
- Annalee Anderson, MA, CCC-SLPSpeech-Language Pathologist1083047088
- Bijan Andrade, DPMFoot & Ankle Surgery Podiatrist1891059556
Verify Erin Rains in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMontana Board of Medical Examiners
Search for license MED-PHY-LIC-57498Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
98% fewer Medicare Part D claims than the average critical care medicine (internal medicine) physician in 2024
21 Medicare Part D claims, against an average of 1,103 among the 4,049 providers of this specialty who prescribed in Part D. Brand-name drugs were 76% of claims.
Most prescribed
- Fluticasone-Salmeterol11 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 Medicare quality score for 2023: 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).
Industry payments in 2024: $86.55
1 payment, mostly food and beverage; the largest payer was Intuitive Surgical, Inc.. The 3,336 providers of this specialty with any payment received $4,158.57 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.
One hospital or facility affiliation
- Billings ClinicBillings, MT · Acute Care Hospitals4 of 5 stars
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.
Critical Care Medicine (Internal Medicine) Physician providers in Montana
There are 20 critical care medicine (internal medicine) physician records in Montana.
Other critical care medicine (internal medicine) physician records in Montana
- Sheela Ahmed, MDGreat Falls, MT1083736227
- Brendan Bellew, M.D.Billings, MT1578649513
- Shauna Bethel, MDBozeman, MT1770691842
- Grzegorz Cieslewicz, M.D.Anaconda, MT1780634055
- Seth Clemens, M.D.Kalispell, MT1740494913
- Scott Deppe, M.D.Great Falls, MT1437131422
- Sue Fessler, MDKalispell, MT1174512636
- Robert Grasseschi, MDGreat Falls, MT1548261274
- Michael Gruber, MDBozeman, MT1578671699
- Rolf Holle, M.D.Missoula, MT1013963958
Common questions
What is Erin Rains, D.O.'s NPI number?
Erin Rains, D.O.'s National Provider Identifier (NPI) is 1164749511, issued on Apr 26, 2010. An NPI identifies a provider in billing; it is not a license.
Where is Erin Rains, D.O. 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 Erin Rains, D.O.'s license?
NPPES lists Montana license number MED-PHY-LIC-57498, 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 Erin Rains, D.O. prescribe under Medicare Part D?
In 2024, Erin Rains, D.O. had 21 Medicare Part D claims; the average among critical care medicine (internal medicine) physician prescribers was 1,103. Part D covers Medicare prescriptions only.
What is Erin Rains, D.O.'s Medicare quality 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), 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.