Dr. John R. Fischer, MD
- Medicare services, 2018
- 600
- Hospital affiliations
- 1
- Medical group
- 1
- State license
- 1
- Year NPI issued
- 2006
- Practice address
- 44405 Woodward Ave, Pontiac, MI 48341
- Practice phone
- Call (248) 858-3000
- 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. John R. Fischer is a pathologist in Pontiac, Michigan
Dr. Fischer practices at Trinity Health Oakland Hospital in Pontiac, Michigan, part of Trinity Health.
Dr. Fischer's NPI, 1801841507, was assigned on May 23, 2006. Dr. Fischer holds Michigan license 054499.
- NPI
- 1801841507NPI Registry (opens in a new tab)
- NPI enumeration date
- May 23, 2006
- NPI status
- Active
- Practice phone
- (248) 858-3000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. John R. Fischer practices at Trinity Health Oakland Hospital in Pontiac, Michigan
Dr. Fischer's primary practice is Trinity Health Oakland Hospital, at 44405 Woodward Ave, Pontiac, MI 48341 in Oakland County. The practice phone is (248) 858-3000.
- Trinity Health Oakland Hospital44405 Woodward Ave, Pontiac, MI 48341 · Oakland CountyPhone(248) 858-3000
Sources: Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. John R. Fischer is affiliated with 1 site of care and 1 medical group
Dr. Fischer's primary practice is Trinity Health Oakland Hospital in Pontiac, Michigan, part of Trinity Health. The medical group on file is Northwest Pathology Consultants.
Sources: Dmand AI Affiliation Data; Doctors and Clinicians National Downloadable File (CMS); and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. John R. 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 |
|---|---|
| Trinity Health Oakland Hospital | 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 Trinity Health and 6.2K+ hospitals, with verified contacts in the same login.
Dr. John R. Fischer is one of 386 pathologists in Michigan
Anatomic pathology and clinical pathology is Dr. Fischer's primary specialty in the NPI Registry, under taxonomy code 207ZP0102X. Dr. Fischer is licensed in Michigan.
Specialties and state licenses
- Anatomic pathology and clinical pathology, MichiganPrimary
Pathologists near Dr. Fischer
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. John R. Fischer billed Medicare for 600 services in 2018
CMS data shows 600 Medicare services from Dr. Fischer across 9 procedure codes in 2018. Medicare paid $17,091 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Fischer's Medicare services by type, 2017 to 2018
- 2017
- 2018
- Lab and pathology
- 2017: 1,6592018: 60064%
Dr. Fischer compared with the Michigan median for pathologists, 2018
- Dr. Fischer
- Michigan median
- Medicare services
- 600vs 99039% below
Medians across 401 pathologists in Michigan with Dmand AI profiles that report each measure.
Dr. Fischer's most billed Medicare procedure codes, 2018
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. Fischer?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Fischer and other pathologists in Michigan.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. John R. Fischer's patients have a median age of 82
Across all payers, Dmand AI patient panel data puts Dr. Fischer's median patient age at 82, with 100% 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 82
Patient panel by sex, all payers
- Women100%
- Men0%
Source: Dmand AI Patient Panel 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.
Sources for Dr. John R. 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 DataDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Dmand 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 |
| 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. John R. 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. John R. Fischer's NPI number?
Dr. John R. Fischer's NPI number is 1801841507. It was assigned on May 23, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. John R. Fischer?
Dr. John R. Fischer is a pathologist in Pontiac, Michigan. The primary specialty in the NPI Registry is Anatomic Pathology & Clinical Pathology Physician (taxonomy code 207ZP0102X).
Where does Dr. John R. Fischer practice?
Dr. Fischer practices at 44405 Woodward Ave, Pontiac, MI 48341. Dr. Fischer's primary practice is Trinity Health Oakland Hospital in Pontiac, Michigan, part of Trinity Health.
What is Dr. John R. Fischer's office phone number?
The practice phone on file for Dr. Fischer is (248) 858-3000.
What is Dr. John R. Fischer's medical license number?
Dr. Fischer holds Michigan license 054499.
Which hospitals is Dr. John R. Fischer affiliated with?
Dr. Fischer practices at Trinity Health Oakland Hospital in Pontiac, Michigan.
What medical group is Dr. John R. Fischer part of?
Dr. Fischer is linked to Northwest Pathology Consultants.
Does Dr. John R. Fischer accept Medicare?
Yes. CMS data shows Dr. Fischer billed Medicare for 600 services in 2018.
What services does Dr. John R. Fischer bill to Medicare?
In 2018, Dr. Fischer's most billed Medicare services were lab and pathology test (88305), lab and pathology test (88307) and lab and pathology test (88304).
How long has Dr. John R. Fischer been practicing?
Dr. Fischer's NPI was assigned in 2006.
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