Peter Brendan Cahill, MD
Geriatric Medicine (Internal Medicine) Physician · Denver, CO
Peter Brendan Cahill, MD is a geriatric medicine (internal medicine) physician with a practice address in Denver, Colorado, and NPI 1144389123, issued on Dec 6, 2006. Check the license (Colorado 32931, as entered in NPPES) on the Colorado Medical Board; the Medicare figures below come from public CMS files.
- Name
- Peter Brendan Cahill
- Credential
- MD
- Primary taxonomy
- Geriatric Medicine (Internal Medicine) Physician 207RG0300X
- License numbers
- 32931 CO
DR.0032931 CO
Self-reported in NPPES; status is on the state search - Practice location
- 10350 E Dakota Ave, Denver, CO 80247
- Phone
- (303) 338-4545
- Enumerated
- Dec 6, 2006
- Record last updated
- Jun 4, 2026
- Medicaid ID
- 01329317 CO
- Entity
- Type 1 · individual
8 nearest geriatric medicine (internal medicine) physician records → All 103 in Colorado → Look up another NPI →
Also registered at 10350 E Dakota Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Marcy Albert, PA-CMedical Physician Assistant1497177794
- Lawrence Allen, M.D.Cardiovascular Disease Physician1538203146
- Jandel Allen-Davis, M.D.Obstetrics & Gynecology Physician1538296413
Verify Peter Brendan Cahill in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersColorado Medical Board
Search for license 32931Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
84% fewer Medicare Part D claims than the average geriatric medicine (internal medicine) physician in 2024
693 Medicare Part D claims for 224 beneficiaries, against an average of 4,246 among the 3,116 providers of this specialty who prescribed in Part D. 55 claims were for opioids.
Most prescribed
- Atorvastatin Calcium54 claims
- Oxycodone Hcl32 claims
- Furosemide31 claims
- Gabapentin24 claims
- Levothyroxine Sodium24 claims
- Amlodipine Besylate21 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.
Peter Brendan Cahill among 103 geriatric medicine (internal medicine) physician records in Colorado
Peter Brendan Cahill, 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 fileNo · 50% of these records are
- Record last updated2026 · 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 Denver → Geriatric Medicine (Internal Medicine) Physician nationwide →
The 8 geriatric medicine (internal medicine) physician records with the nearest ZIP codes
- Wendolyn Gozansky, MDDenver, CO 802471487744165
- Abhishek Chaturbedi, MDDenver, CO 802371396605531
- Joan Nelson, DNPDenver, CO 802361649307679
- Erika Altneu, MDLakewood, CO 802281194871772
- Luis Amador, MDLakewood, CO 802281083773964
- Thomas Cain, MDLakewood, CO 802281679596605
- Chelsea Springer, MDLakewood, CO 802281306226550
- Janna Ver Miller, M.D.Lakewood, CO 802281841229838
Common questions
What is Peter Brendan Cahill, MD's NPI number?
Peter Brendan Cahill, MD's National Provider Identifier (NPI) is 1144389123, issued on Dec 6, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Peter Brendan Cahill, MD located?
The NPPES record lists a practice address at 10350 E Dakota Ave, Denver, CO, 80247. Phone: (303) 338-4545. Providers update this record themselves, so call before visiting.
How can I verify Peter Brendan Cahill, MD's license?
NPPES lists Colorado license number 32931, 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 Peter Brendan Cahill, MD prescribe under Medicare Part D?
In 2024, Peter Brendan Cahill, MD had 693 Medicare Part D claims for 224 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.