Thomas D. Cain, MD
Geriatric Medicine (Internal Medicine) Physician · Lakewood, CO
Thomas D. Cain, MD is a geriatric medicine (internal medicine) physician with a practice address in Lakewood, Colorado, and NPI 1679596605, issued on Jul 25, 2006. Check the license (Colorado 34575, as entered in NPPES) on the Colorado Medical Board; the Medicare figures below come from public CMS files.
- Name
- Thomas D. Cain
- Credential
- MD
- Primary taxonomy
- Geriatric Medicine (Internal Medicine) Physician 207RG0300X
- License number
- 34575 CO
Self-reported in NPPES; status is on the state search - Practice location
- 11700 W 2ND PL Ste 450, Lakewood, CO 80228
- Phone
- (303) 825-1234
- Enumerated
- Jul 25, 2006
- Record last updated
- Feb 9, 2023
- Fax
- (720) 321-8121
- Medicaid ID
- 01345750 CO
- Medicare enrollment
- Enrolled (PECOS I20120328000710); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest geriatric medicine (internal medicine) physician records → All 103 in Colorado → Look up another NPI →
Also registered at 11700 W 2ND PL Ste 450
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Erika Altneu, MDGeriatric Medicine (Internal Medicine) Physician1194871772
- Luis Amador, MDGeriatric Medicine (Internal Medicine) Physician1083773964
- Katherine Brown, APNGerontology Nurse Practitioner1316455389
- Laura Miller, AGNPGerontology Nurse Practitioner1417498213
- Kerry Moore, MDInternal Medicine Physician1942272224
- Keri Palmer, RNRegistered Nurse1316786155
Verify Thomas D. Cain in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersColorado Medical Board
Search for license 34575Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
58% more Medicare Part D claims than the average geriatric medicine (internal medicine) physician in 2024
6,707 Medicare Part D claims for 881 beneficiaries, against an average of 4,246 among the 3,116 providers of this specialty who prescribed in Part D. Brand-name drugs were 13% of claims. 137 claims were for opioids.
Most prescribed
- Atorvastatin Calcium570 claims
- Levothyroxine Sodium345 claims
- Losartan Potassium324 claims
- Amlodipine Besylate232 claims
- Lisinopril230 claims
- Rosuvastatin Calcium205 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): 87.5 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).
Bills Medicare through one group practice
- Geriatric Medicine Associates, PCLakewood, CO
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Thomas D. Cain among 103 geriatric medicine (internal medicine) physician records in Colorado
Thomas D. Cain, MD 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
- Graduated1990 · median 1998 among the 51 with a school on file
- Record last updated2023 · 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 Lakewood → Geriatric Medicine (Internal Medicine) Physician nationwide →
The 8 geriatric medicine (internal medicine) physician records with the nearest ZIP codes
- Erika Altneu, MDLakewood, CO 802281194871772
- Luis Amador, MDLakewood, CO 802281083773964
- Chelsea Springer, MDLakewood, CO 802281306226550
- Janna Ver Miller, M.D.Lakewood, CO 802281841229838
- David Wallack, M.D.Lakewood, CO 802281558310706
- Robin Gunning, MDLakewood, CO 802261790751147
- Michael Blieden, MDDenver, CO 802201073587077
- Susan Bray-Hall, M.D.Denver, CO 802201255305363
Common questions
What is Thomas D. Cain, MD's NPI number?
Thomas D. Cain, MD's National Provider Identifier (NPI) is 1679596605, issued on Jul 25, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Thomas D. Cain, MD located?
The NPPES record lists a practice address at 11700 W 2ND PL Ste 450, Lakewood, CO, 80228. Phone: (303) 825-1234. Providers update this record themselves, so call before visiting.
How can I verify Thomas D. Cain, MD's license?
NPPES lists Colorado license number 34575, 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 Thomas D. Cain, MD prescribe under Medicare Part D?
In 2024, Thomas D. Cain, MD had 6,707 Medicare Part D claims for 881 beneficiaries; the average among geriatric medicine (internal medicine) physician prescribers was 4,246. Part D covers Medicare prescriptions only.
What is Thomas D. Cain, MD's MIPS final score?
The 2023 MIPS final score is 87.5 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.