NPPES file of Aug 9, 2026

Ruth Marie Ferguson, MD

Hospitalist Physician · Colorado Springs, CO

Ruth Marie Ferguson, MD is a hospitalist physician with a practice address in Colorado Springs, Colorado, and NPI 1841554375, issued on Jun 29, 2012. Check the license (Colorado DR.0055953, as entered in NPPES) on the Colorado Medical Board; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1841554375
Name
Ruth Marie Ferguson
Credential
MD
Primary taxonomy
Hospitalist Physician 208M00000X
License numbers
DR.0055953 CO
2012021606 MO
Self-reported in NPPES; status is on the state search
Practice location
1400 E Boulder St Ste 2508, Colorado Springs, CO 80909
Phone
(719) 365-1292
Enumerated
Jun 29, 2012
Record last updated
Oct 15, 2025
Fax
(719) 365-6997
Medicaid ID
69770051 CO
Medicare enrollment
Enrolled (PECOS I20151116001688); accepts Medicare assignment
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 1400 E Boulder St Ste 2508

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Alam Ahmed, MD, MPHInternal Medicine Physician1902425143
  2. Alexandru Alexa, M.D.Anesthesiology Physician1699160838
  3. Arafat Alim, C-AAAnesthesiologist Assistant1811427867
  4. Hamzah Alqam, M.D.Internal Medicine Physician1871973065
  5. David Ansley, DOInternal Medicine Physician1952806697
  6. Kimberly Aut, MDAnesthesiology Physician1396208575

Verify Ruth Marie Ferguson in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersColorado Medical Board
    Search for license DR.0055953
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Colorado license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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79% fewer Medicare Part D claims than the average hospitalist physician in 2024

107 Medicare Part D claims for 36 beneficiaries, against an average of 521 among the 21,613 providers of this specialty who prescribed in Part D.

  1. Ruth Ferguson107
  2. Specialty average521

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.

Bills Medicare through one group practice

  1. Poudre Valley Medical Group LLCColorado Springs, CO

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Ruth Marie Ferguson among 806 hospitalist physician records in Colorado

Ruth Marie Ferguson, MD is one of 806 hospitalist physician records with a practice address in Colorado. 85% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2012, is newer than 46% of them.

  • NPI issued2012 · 46% of these records are older, 49% newer
  • In a Medicare fileYes · 85% of these records are
  • In the CMS Doctors and Clinicians fileYes · 77% of these records are
  • Graduated2012 · median 2012 among the 622 with a school on file
  • Record last updated2025 · 38% 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 Colorado practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Hospitalist Physician providers in Colorado

There are 806 hospitalist physician records in Colorado.

The 8 hospitalist physician records with the nearest ZIP codes

  1. Amanda Banas, D.O.Colorado Springs, CO 809091235518671
  2. Tiffany Cartner, D.OColorado Springs, CO 809091437373941
  3. Daniel Gioia, M.D.Colorado Springs, CO 809091891055729
  4. Brandon Hamilton, M.D.Colorado Springs, CO 809091386635381
  5. Kirk Reichelt, MDColorado Springs, CO 809091326281973
  6. Karzan SalihColorado Springs, CO 809091154958510
  7. Mary Wallace, M.D.Colorado Springs, CO 809091215109228
  8. Austin WestColorado Springs, CO 809101790305589

Common questions

What is Ruth Marie Ferguson, MD's NPI number?

Ruth Marie Ferguson, MD's National Provider Identifier (NPI) is 1841554375, issued on Jun 29, 2012. An NPI identifies a provider in billing; it is not a license.

Where is Ruth Marie Ferguson, MD located?

The NPPES record lists a practice address at 1400 E Boulder St Ste 2508, Colorado Springs, CO, 80909. Phone: (719) 365-1292. Providers update this record themselves, so call before visiting.

How can I verify Ruth Marie Ferguson, MD's license?

NPPES lists Colorado license number DR.0055953, as entered by the provider. Search the Colorado Medical Board at https://dpo.colorado.gov/Medical. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Ruth Marie Ferguson, MD prescribe under Medicare Part D?

In 2024, Ruth Marie Ferguson, MD had 107 Medicare Part D claims for 36 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.