Dr. Aryeh Fischer, MD
- Medicare services, 2019
- 206
- Part D claims, 2020
- 27
- Hospital affiliations
- 1
- Industry payments
- $251,827
- State license
- 1
- Practice address
- 1400 Jackson St, Denver, CO 80206
- Practice phone
- Call (303) 388-4461
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Fischer'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. Aryeh Fischer is a rheumatologist in Denver, Colorado
Dr. Fischer practices at National Jewish Health in Denver, Colorado, part of National Jewish Health.
Dr. Fischer's NPI, 1669436259, was assigned on April 12, 2006. Dr. Fischer holds Colorado license 40482.
- NPI
- 1669436259NPI Registry (opens in a new tab)
- NPI enumeration date
- April 12, 2006
- NPI status
- Active
- Practice phone
- (303) 388-4461
- 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. Aryeh Fischer practices at National Jewish Health in Denver, Colorado
Dr. Fischer's primary practice is National Jewish Health, at 1400 Jackson St, Denver, CO 80206 in Denver County. The practice phone is (303) 388-4461.
- National Jewish Health1400 Jackson St, Denver, CO 80206 · Denver CountyPhone(303) 388-4461
Source: Dmand AI Affiliation Data
Dr. Aryeh Fischer is affiliated with 1 site of care
Dr. Fischer's primary practice is National Jewish Health in Denver, Colorado, part of National Jewish Health.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Aryeh Fischer's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Fischer practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| National Jewish 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 National Jewish Health and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Aryeh Fischer is one of 130 rheumatologists in Colorado
Rheumatology is Dr. Fischer's primary specialty in the NPI Registry, under taxonomy code 207RR0500X. Dr. Fischer is licensed in Colorado.
Specialties and state licenses
- Rheumatology, ColoradoPrimary
Rheumatologists near Dr. Fischer
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. Aryeh Fischer billed Medicare for 206 services in 2019
CMS data shows 206 Medicare services from Dr. Fischer across 3 procedure codes in 2019, all of them office visits. Medicare paid $14,750 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Fischer's Medicare services by type, 2018 to 2019
- 2018
- 2019
- Office and hospital visits
- 2018: 3182019: 20635%
Dr. Fischer compared with the Colorado median for rheumatologists, 2019
- Dr. Fischer
- Colorado median
- Medicare services
- 206vs 3,09293% below
- Part D claims
- 27vs 1,00497% below
Medians across 122 rheumatologists in Colorado with Dmand AI profiles that report each measure.
Dr. Fischer's most billed Medicare procedure codes, 2019
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Fischer and other rheumatologists in Colorado.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Aryeh Fischer's patients have a median age of 63
Across all payers, Dmand AI patient panel data puts Dr. Fischer's median patient age at 63, with 50% women.
Dr. Fischer's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 63
Patient panel by sex, all payers
- Women50%
- Men50%
Source: Dmand AI Patient Panel Data
Dr. Aryeh Fischer wrote 27 Medicare Part D claims in 2020
In 2020, Dr. Fischer wrote 27 Medicare Part D claims. Every claim was for a generic drug. They cover 2 drugs, with $926 in total drug cost. In 2019, CMS named 664 claims across 22 drugs.
Dr. Fischer'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: 6642020: 2796%
Drugs named by CMS: 2 in 2020, 22 in 2019.
Source: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026
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Dr. Aryeh Fischer received $251,827 in industry payments from 2016 to 2019
CMS Open Payments shows 201 general payments to Dr. Fischer from 12 drug and device companies from 2016 to 2019. Consulting fees make up the largest share, 57% of the total. Boehringer Ingelheim Pharma GmbH & Co.KG paid the most, $68,903.
General payments to Dr. Fischer by program year, 2016 to 2019
General payments to Dr. Fischer by kind, 2016 to 2019
- Consulting fees$144,67357%
- Travel and lodging$53,49121%
- Speaker and faculty fees$48,63819%
- Food and beverage$2,8121%
- Honoraria$2,2131%
Companies that paid Dr. Fischer the most, 2016 to 2019
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. Aryeh Fischer'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 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 Data |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab) |
| 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. Aryeh Fischer
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. Aryeh Fischer's NPI number?
Dr. Aryeh Fischer's NPI number is 1669436259. It was assigned on April 12, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Aryeh Fischer?
Dr. Aryeh Fischer is a rheumatologist in Denver, Colorado. The primary specialty in the NPI Registry is Rheumatology Physician (taxonomy code 207RR0500X).
Where does Dr. Aryeh Fischer practice?
Dr. Fischer practices at 1400 Jackson St, Denver, CO 80206. Dr. Fischer's primary practice is National Jewish Health in Denver, Colorado, part of National Jewish Health.
What is Dr. Aryeh Fischer's office phone number?
The practice phone on file for Dr. Fischer is (303) 388-4461.
What is Dr. Aryeh Fischer's medical license number?
Dr. Fischer holds Colorado license 40482.
Which hospitals is Dr. Aryeh Fischer affiliated with?
Dr. Fischer practices at National Jewish Health in Denver, Colorado.
Does Dr. Aryeh Fischer accept Medicare?
Yes. CMS data shows Dr. Fischer billed Medicare for 206 services in 2019.
What services does Dr. Aryeh Fischer bill to Medicare?
In 2019, Dr. Fischer's most billed Medicare services were office visit, established patient (99214), office visit, established patient (99215) and office visit, new patient (99205).
What drugs does Dr. Aryeh Fischer prescribe most?
In 2020 Medicare Part D data, Dr. Fischer's most prescribed drugs by claims were Prednisone and Esomeprazole Magnesium.
Has Dr. Aryeh Fischer received payments from drug or device companies?
CMS Open Payments shows $251,827 in general payments to Dr. Fischer from 12 companies from 2016 to 2019. The largest total came from Boehringer Ingelheim Pharma GmbH & Co.KG.
How long has Dr. Aryeh Fischer been practicing?
Dr. Fischer's NPI was assigned in 2006.
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