Dr. William Harrer, MD
- Hospital affiliations
- 1
- Industry payments
- $319
- State license
- 1
- Year NPI issued
- 2005
- Practice address
- 106 Blanca Ave, Alamosa, CO 81101
- Practice phone
- Call (719) 587-1202
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Harrer'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. William Harrer is a pathologist in Alamosa, Colorado
Dr. Harrer practices at Regional Medical Center - Alamosa - San Luis Valley Health in Alamosa, Colorado, part of Conejos County Hospital.
Dr. Harrer's NPI, 1134103849, was assigned on December 6, 2005. Dr. Harrer holds New Jersey license 25MA02416800.
- NPI
- 1134103849NPI Registry (opens in a new tab)
- NPI enumeration date
- December 6, 2005
- NPI status
- Active
- Practice phone
- (719) 587-1202
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data
Dr. William Harrer practices at Regional Medical Center - Alamosa - San Luis Valley Health in Alamosa, Colorado
Dr. Harrer's primary practice is Regional Medical Center - Alamosa - San Luis Valley Health, at 106 Blanca Ave, Alamosa, CO 81101 in Alamosa County. The practice phone is (719) 587-1202.
- Regional Medical Center - Alamosa - San Luis Valley Health106 Blanca Ave, Alamosa, CO 81101 · Alamosa CountyPhone(719) 587-1202
Source: Dmand AI Affiliation Data
Dr. William Harrer is affiliated with 1 site of care
Dr. Harrer's primary practice is Regional Medical Center - Alamosa - San Luis Valley Health in Alamosa, Colorado, part of Conejos County Hospital.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. William Harrer's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Harrer practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Regional Medical Center - Alamosa - San Luis Valley Health | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
Dmand AI maps EHR vendors, IT decision makers and buying committees across Conejos County Hospital and 6.2K+ hospitals, with verified contacts in the same login.
Dr. William Harrer is one of 177 pathologists in Colorado
Anatomic pathology and clinical pathology is Dr. Harrer's primary specialty in the NPI Registry, under taxonomy code 207ZP0102X. Dr. Harrer is licensed in New Jersey.
Specialties and state licenses
- Anatomic pathology and clinical pathology, New JerseyPrimary
Pathologists near Dr. Harrer
Counts of pathologists 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. William Harrer's patients have a median age of 64
Across all payers, Dmand AI patient panel data puts Dr. Harrer's median patient age at 64, with 80% women.
Dr. Harrer's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 64
Patient panel by sex, all payers
- Women80%
- Men20%
Source: Dmand AI Patient Panel Data
Dr. William Harrer received $319 in industry payments from 2019 to 2020
CMS Open Payments shows 23 general payments to Dr. Harrer from 1 drug or device company from 2019 to 2020. Food and beverage make up the largest share, 100% of the total. EMD Serono, Inc. paid the most, $319.
General payments to Dr. Harrer by program year, 2019 to 2020
Companies that paid Dr. Harrer the most, 2019 to 2020
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. William Harrer'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 | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy Data |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel Data |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| 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. William Harrer
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. William Harrer's NPI number?
Dr. William Harrer's NPI number is 1134103849. It was assigned on December 6, 2005, and it is active in the NPI Registry.
What kind of doctor is Dr. William Harrer?
Dr. William Harrer is a pathologist in Alamosa, Colorado. The primary specialty in the NPI Registry is Anatomic Pathology & Clinical Pathology Physician (taxonomy code 207ZP0102X).
Where does Dr. William Harrer practice?
Dr. Harrer practices at 106 Blanca Ave, Alamosa, CO 81101. Dr. Harrer's primary practice is Regional Medical Center - Alamosa - San Luis Valley Health in Alamosa, Colorado, part of Conejos County Hospital.
What is Dr. William Harrer's office phone number?
The practice phone on file for Dr. Harrer is (719) 587-1202.
What is Dr. William Harrer's medical license number?
Dr. Harrer holds New Jersey license 25MA02416800.
Which hospitals is Dr. William Harrer affiliated with?
Dr. Harrer practices at Regional Medical Center - Alamosa - San Luis Valley Health in Alamosa, Colorado.
Has Dr. William Harrer received payments from drug or device companies?
CMS Open Payments shows $319 in general payments to Dr. Harrer from 1 company from 2019 to 2020. The largest total came from EMD Serono, Inc.
How long has Dr. William Harrer been practicing?
Dr. Harrer's NPI was assigned in 2005.
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