Dr. Isaac Thomas West Harley, MD, PhD
- Part D claims, 2020
- 42
- Affiliated sites
- 1
- Medical group
- 1
- State license
- 1
- Year NPI issued
- 2014
- Practice address
- 1055 N Clermont St, Denver, CO 80220
- Practice phone
- Call (913) 578-4409
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
VA Medical Center
Denver, Colorado
Find Dr. Harley's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Dr. Isaac Thomas West Harley is a rheumatologist in Denver, Colorado
Dr. Harley practices at VA Medical Center in Denver, Colorado.
Dr. Harley's NPI, 1336568328, was assigned on April 7, 2014. Dr. Harley graduated from University of Cincinnati College of Medicine in 2014. Dr. Harley holds Colorado license DR.0058554.
- NPI
- 1336568328NPI Registry (opens in a new tab)
- NPI enumeration date
- April 7, 2014
- NPI status
- Active
- Practice phone
- (913) 578-4409
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 38
- Medical school graduation
- 2014
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Practice Data
Dr. Isaac Thomas West Harley practices at VA Medical Center in Denver, Colorado
Dr. Harley's primary practice is VA Medical Center, at 1055 N Clermont St, Denver, CO 80220 in Denver County. The practice phone is (913) 578-4409.
- VA Medical Center1055 N Clermont St, Denver, CO 80220 · Denver CountyPhone(913) 578-4409
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Isaac Thomas West Harley is affiliated with 2 sites of care and 1 medical group
Dr. Harley's primary practice is VA Medical Center in Denver, Colorado. The medical group on file is Denver Health. Dmand AI also links Dr. Harley to 1 more group practice or clinic, named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Isaac Thomas West Harley's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Harley practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| VA Medical Center | Available with a free account |
| +1 more affiliated site | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Isaac Thomas West Harley is one of 130 rheumatologists in Colorado
Rheumatology is Dr. Harley's primary specialty in the NPI Registry, under taxonomy code 207RR0500X. Dr. Harley is licensed in Colorado.
Specialties and state licenses
- Rheumatology, ColoradoPrimary
Rheumatologists near Dr. Harley
Counts of rheumatologists with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Isaac Thomas West Harley's patients have a median age of 47
Across all payers, Dmand AI patient panel data puts Dr. Harley's median patient age at 47, with 100% women.
Dr. Harley's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 47
Patient panel by sex, all payers
- Women100%
- Men0%
Source: Dmand AI Patient Panel Data
Dr. Isaac Thomas West Harley wrote 42 Medicare Part D claims in 2020
In 2020, Dr. Harley wrote 42 Medicare Part D claims. Every claim was for a generic drug. They cover 2 drugs, with $1,595 in total drug cost. In 2019, CMS named 24 claims across 1 drug.
Dr. Harley's most prescribed drugs by claims, 2020
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Part D claims for drugs CMS names, 2019 to 2020
- 2019
- 2020
- Claims for drugs CMS names
- 2019: 242020: 4275%
Drugs named by CMS: 2 in 2020, 1 in 2019.
Source: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026
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Dr. Isaac Thomas West Harley graduated from University of Cincinnati College of Medicine
Dr. Harley graduated from University of Cincinnati College of Medicine in 2014.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Isaac Thomas West Harley's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation Data |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel Data |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Isaac Thomas West Harley
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. Isaac Thomas West Harley's NPI number?
Dr. Isaac Thomas West Harley's NPI number is 1336568328. It was assigned on April 7, 2014, and it is active in the NPI Registry.
What kind of doctor is Dr. Isaac Thomas West Harley?
Dr. Isaac Thomas West Harley is a rheumatologist in Denver, Colorado. The primary specialty in the NPI Registry is Rheumatology Physician (taxonomy code 207RR0500X).
Where does Dr. Isaac Thomas West Harley practice?
Dr. Harley practices at 1055 N Clermont St, Denver, CO 80220. Dr. Harley's primary practice is VA Medical Center in Denver, Colorado. Dmand AI also links Dr. Harley to 1 group practice or clinic.
What is Dr. Isaac Thomas West Harley's office phone number?
The practice phone on file for Dr. Harley is (913) 578-4409.
What is Dr. Isaac Thomas West Harley's medical license number?
Dr. Harley holds Colorado license DR.0058554.
What medical group is Dr. Isaac Thomas West Harley part of?
Dr. Harley is linked to Denver Health.
Where did Dr. Isaac Thomas West Harley go to medical school?
Dr. Harley graduated from University of Cincinnati College of Medicine in 2014.
What drugs does Dr. Isaac Thomas West Harley prescribe most?
In 2020 Medicare Part D data, Dr. Harley's most prescribed drugs by claims were Prednisone and Hydroxychloroquine Sulfate.
How long has Dr. Isaac Thomas West Harley been practicing?
Dr. Harley graduated from medical school in 2014, 12 years ago.
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