Claud Allen Bays, M.D.
Geriatric Medicine (Internal Medicine) Physician · Alamosa, CO
Claud Allen Bays, M.D. is a geriatric medicine (internal medicine) physician with a practice address in Alamosa, Colorado, and NPI 1376590943, issued on May 28, 2006. Check the license (Colorado 18746, as entered in NPPES) on the Colorado Medical Board; the Medicare figures below come from public CMS files.
- Name
- Claud Allen Bays
- Credential
- M.D.
- Primary taxonomy
- Geriatric Medicine (Internal Medicine) Physician 207RG0300X
- License number
- 18746 CO
Self-reported in NPPES; status is on the state search - Practice location
- 106 Blanca Ave, Alamosa, CO 81101
- Phone
- (719) 589-8003
- Enumerated
- May 28, 2006
- Record last updated
- May 2, 2012 (not updated in 14 years: call before relying on the address or phone)
- Fax
- (719) 589-8023
- Medicaid ID
- 01187467 CO
- Medicare enrollment
- Enrolled (PECOS I20060807000267); accepts Medicare assignment
- Medical or professional school
- University Of Kentucky College Of Medicine, 1973
- Entity
- Type 1 · individual
8 nearest geriatric medicine (internal medicine) physician records → All 103 in Colorado → Look up another NPI →
Also registered at 106 Blanca Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Tauqir Ahmad, MDInternal Medicine Physician1558357285
- Samuel Andelman, MDSpecialist1992745715
- Sheryl BaconNurse Practitioner1346615267
- Jarrette Beck Jr., M.D.Adult Medicine Physician1134256233
- Angela Bedard, M.S.Genetic Counselor (M.S.)1952583114
Verify Claud Allen Bays in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersColorado Medical Board
Search for license 18746Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
59% fewer Medicare Part D claims than the average geriatric medicine (internal medicine) physician in 2024
1,748 Medicare Part D claims for 293 beneficiaries, against an average of 4,246 among the 3,116 providers of this specialty who prescribed in Part D. 17 claims were for opioids.
Most prescribed
- Levothyroxine Sodium140 claims
- Atorvastatin Calcium129 claims
- Losartan Potassium91 claims
- Amlodipine Besylate87 claims
- Omeprazole79 claims
- Lisinopril74 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.
Claud Allen Bays among 103 geriatric medicine (internal medicine) physician records in Colorado
Claud Allen Bays, M.D. is one of 103 geriatric medicine (internal medicine) physician records with a practice address in Colorado. 75% 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 8% of them.
- NPI issued2006 · 8% of these records are older, 45% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileYes · 50% of these records are
- Graduated1973 · median 1998 among the 51 with a school on file
- Record last updated2012 · 58% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RG0300X and a Colorado practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Geriatric Medicine (Internal Medicine) Physician providers in Colorado
There are 103 geriatric medicine (internal medicine) physician records in Colorado.
All 103 in Colorado → Every provider in Alamosa → Geriatric Medicine (Internal Medicine) Physician nationwide →
The 8 geriatric medicine (internal medicine) physician records with the nearest ZIP codes
- Amir Obbehat, M.D.Alamosa, CO 811011346555984
- Lasaundra Watson, M.D.Colorado Springs, CO 809181669562963
- Jeffrey Kulp, MDColorado Springs, CO 809101972506053
- Melissa Wuthier, M.D.Colorado Springs, CO 809071396843306
- Fred Feinsod, M.D.Colorado Springs, CO 809061962524942
- Amy Mohler, MDGrand Junction, CO 815011972617686
- Shad Grubbs, MDBrighton, CO 806011982651899
- Karyn Leible, MDLoveland, CO 805371043226368
Common questions
What is Claud Allen Bays, M.D.'s NPI number?
Claud Allen Bays, M.D.'s National Provider Identifier (NPI) is 1376590943, issued on May 28, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Claud Allen Bays, M.D. located?
The NPPES record lists a practice address at 106 Blanca Ave, Alamosa, CO, 81101. Phone: (719) 589-8003. Providers update this record themselves, so call before visiting.
How can I verify Claud Allen Bays, M.D.'s license?
NPPES lists Colorado license number 18746, 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 Claud Allen Bays, M.D. prescribe under Medicare Part D?
In 2024, Claud Allen Bays, M.D. had 1,748 Medicare Part D claims for 293 beneficiaries; the average among geriatric medicine (internal medicine) physician prescribers was 4,246. 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.