Dr. Reed P. Haag, MD
- Medicare services, 2024
- 60
- Medicare patients, 2024
- 31
- Part D claims, 2024
- 952
- Industry payments
- $1,674
- Affiliated sites
- 1
- Practice address
- 238 N Main St, Wellsville, NY 14895
- Practice phone
- Call (585) 558-4189
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Haag Medical
Wellsville, New York
Find Dr. Haag'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. Reed P. Haag is an internist in Wellsville, New York
Dr. Haag practices at Haag Medical in Wellsville, New York.
Dr. Haag's NPI, 1427199827, was assigned on February 9, 2007. Dr. Haag graduated from Drexel University College of Medicine/Hahnemann University in 1987. Dr. Haag holds New York license 191829-1.
- NPI
- 1427199827NPI Registry (opens in a new tab)
- NPI enumeration date
- February 9, 2007
- NPI status
- Active
- Practice phone
- (585) 558-4189
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 65
- Medical school graduation
- 1987
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Practice Data
Dr. Reed P. Haag practices at Haag Medical in Wellsville, New York
Dr. Haag's primary practice is Haag Medical, at 238 N Main St, Wellsville, NY 14895 in Allegany County. The practice phone is (585) 558-4189.
- Haag Medical238 N Main St, Wellsville, NY 14895 · Allegany CountyPhone(585) 558-4189
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Reed P. Haag is affiliated with 2 sites of care and 1 medical group
Dr. Haag's primary practice is Haag Medical in Wellsville, New York. The medical group on file is Haag Medical PLLC. Dmand AI also links Dr. Haag 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. Reed P. Haag's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Haag practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Haag Medical | Available with a free account |
| +1 more affiliated site | 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 each health system and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Reed P. Haag is one of 9,643 internists in New York
Internal medicine is Dr. Haag's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Haag is licensed in New York.
Specialties and state licenses
- Internal medicine, New YorkPrimary
Internists near Dr. Haag
Counts of internists 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. Reed P. Haag billed Medicare for 60 services in 2024
CMS data shows 60 Medicare services from Dr. Haag across 2 procedure codes in 2024, all of them office visits, for 31 Medicare patients. Medicare paid $5,785 for them. Every service was in an office.
Dr. Haag's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 312024: 6094%
- Tests and treatments
- 2023: 262024: 0100%
Dr. Haag compared with the New York median for internists, 2024
- Dr. Haag
- New York median
- Medicare services
- 60vs 42686% below
- Medicare patients
- 31vs 15880% below
- Part D claims
- 664vs 6227% above
Medians across 9,428 internists in New York with Dmand AI profiles that report each measure.
Dr. Haag's most billed Medicare procedure codes, 2024
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
Need commercial claims for Dr. Haag?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Haag and other internists in New York.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Reed P. Haag treated 31 Medicare patients in 2024, average age 70
CMS counts 31 Medicare patients who saw Dr. Haag in 2024. The largest group is 75 to 84, with 11 patients. 75% of them have high blood pressure, and 75% have high cholesterol. Their average risk score is 0.82, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Haag's median patient age at 67, with 46% women.
Dr. Haag's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Haag's Medicare patients by sex, 2024
- Women1652%
- Men1548%
Chronic conditions among Dr. Haag's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
Share of Medicare patients with each condition. A patient can have several.
Dr. Haag's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 67
Patient panel by sex, all payers
- Women46%
- Men54%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Reed P. Haag wrote 952 Medicare Part D claims in 2024
In 2024, Dr. Haag wrote 952 Medicare Part D claims for 80 patients. 83% of them were for generic drugs. CMS names the drug for 664 of them, across 24 drugs with 11 or more claims each, at $76,394 in total drug cost. In 2023, CMS named 654 claims across 26 drugs.
Dr. Haag's Part D claims by kind of drug, 2024
- Generic790 claims83%
- Brand-name and other162 claims17%
Dr. Haag's most prescribed drugs by claims, 2024
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Drug classes CMS tracks in Dr. Haag's Part D claims, 2024
- Antibiotics3%31 of 952 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 6542024: 6642%
Drugs named by CMS: 24 in 2024, 26 in 2023.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data
For MedTech and pharma teams
Filter 7.4M+ HCPs by Medicare procedures, Part D drugs and Open Payments history, then reach them with verified contacts in one login.
Dr. Reed P. Haag received $1,674 in industry payments from 2016 to 2024
CMS Open Payments shows 49 general payments to Dr. Haag from 18 drug and device companies from 2016 to 2024. Food and beverage make up the largest share, 100% of the total. AstraZeneca Pharmaceuticals LP paid the most, $497.
General payments to Dr. Haag by program year, 2016 to 2024
Companies that paid Dr. Haag the most, 2016 to 2024
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Reed P. Haag graduated from Drexel University College of Medicine/Hahnemann University
Dr. Haag graduated from Drexel University College of Medicine/Hahnemann University in 1987.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Reed P. Haag'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 services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| Industry payments | Open Payments (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. Reed P. Haag
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. Reed P. Haag's NPI number?
Dr. Reed P. Haag's NPI number is 1427199827. It was assigned on February 9, 2007, and it is active in the NPI Registry.
What kind of doctor is Dr. Reed P. Haag?
Dr. Reed P. Haag is an internist in Wellsville, New York. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Reed P. Haag practice?
Dr. Haag practices at 238 N Main St, Wellsville, NY 14895. Dr. Haag's primary practice is Haag Medical in Wellsville, New York. Dmand AI also links Dr. Haag to 1 group practice or clinic.
What is Dr. Reed P. Haag's office phone number?
The practice phone on file for Dr. Haag is (585) 558-4189.
What is Dr. Reed P. Haag's medical license number?
Dr. Haag holds New York license 191829-1.
What medical group is Dr. Reed P. Haag part of?
Dr. Haag is linked to Haag Medical PLLC.
Does Dr. Reed P. Haag accept Medicare?
Yes. CMS data shows Dr. Haag billed Medicare for 60 services in 2024.
How many Medicare patients does Dr. Reed P. Haag see?
CMS counts 31 Medicare patients who saw Dr. Haag in 2024, with an average age of 70.
What services does Dr. Reed P. Haag bill to Medicare?
In 2024, Dr. Haag's most billed Medicare services were office visit, established patient (99214) and office visit, new patient (99205).
Where did Dr. Reed P. Haag go to medical school?
Dr. Haag graduated from Drexel University College of Medicine/Hahnemann University in 1987.
Show 3 more questionsShow fewer questions
What drugs does Dr. Reed P. Haag prescribe most?
In 2024 Medicare Part D data, Dr. Haag's most prescribed drugs by claims were Atorvastatin Calcium, Ozempic and Amlodipine Besylate.
Has Dr. Reed P. Haag received payments from drug or device companies?
CMS Open Payments shows $1,674 in general payments to Dr. Haag from 18 companies from 2016 to 2024. The largest total came from AstraZeneca Pharmaceuticals LP.
How long has Dr. Reed P. Haag been practicing?
Dr. Haag graduated from medical school in 1987, 39 years ago.
Selling to internal medicine practices?
See internists in New York by site of care and group
Find the practices, groups and hospitals they work with, and the right people to contact at each.
- 30 days free
- Self-serve
- No credit card