Dr. Greg Harrison Fischer, DO
- Medicare services, 2024
- 466
- Medicare patients, 2024
- 442
- Part D claims, 2024
- 71
- Hospital affiliations
- 3
- Industry payments
- $110
- Practice address
- 700 East Broad Street, Hazleton, PA 18201
- Practice phone
- Call (570) 501-4000
- 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
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Dr. Greg Harrison Fischer is an emergency medicine physician in Hazleton, Pennsylvania
Dr. Fischer practices at Lehigh Valley Hospital-Hazleton in Hazleton, Pennsylvania, part of Thomas Jefferson University.
Dr. Fischer's NPI, 1851886923, was assigned on June 29, 2018. Dr. Fischer graduated from Lake Erie Col of Osteopathic Medicine, Bradenton in 2018. Dr. Fischer holds Pennsylvania license OS020331.
- NPI
- 1851886923NPI Registry (opens in a new tab)
- Medicare PAC ID
- 3072861012
- NPI enumeration date
- June 29, 2018
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (570) 501-4000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 34
- Medical school graduation
- 2018
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Greg Harrison Fischer practices at Lehigh Valley Hospital-Hazleton in Hazleton, Pennsylvania
Dr. Fischer's primary practice is Lehigh Valley Hospital-Hazleton, at 700 East Broad Street, Hazleton, PA 18201 in Luzerne County. The practice phone is (570) 501-4000.
- Lehigh Valley Hospital-Hazleton700 East Broad Street, Hazleton, PA 18201 · Luzerne CountyPhone(570) 501-4000
Source: Dmand AI Affiliation Data
Dr. Greg Harrison Fischer is affiliated with 3 sites of care and 5 medical groups
Dr. Fischer's primary practice is Lehigh Valley Hospital-Hazleton in Hazleton, Pennsylvania, part of Thomas Jefferson University. Dr. Fischer is also affiliated with Lehigh Valley Hospital-Cedar Crest. The medical group on file is Lehigh Valley Physician Group (LVPG). Dmand AI also links Dr. Fischer to 1 more hospital and 4 medical groups, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Greg Harrison Fischer's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Fischer practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Lehigh Valley Hospital-Hazleton | Available with a free account |
| +2 more sites and 4 medical groups | 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 Thomas Jefferson University and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Greg Harrison Fischer is one of 2,549 emergency medicine physicians in Pennsylvania
Emergency medicine is Dr. Fischer's primary specialty in the NPI Registry, under taxonomy code 207P00000X. Dmand AI has Dr. Fischer's licenses on file in 2 states: Pennsylvania and Virginia.
Specialties and state licenses
- Emergency medicine, PennsylvaniaPrimary
- Virginia license
Emergency medicine physicians near Dr. Fischer
Counts of emergency medicine physicians 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. Greg Harrison Fischer billed Medicare for 466 services in 2024
CMS data shows 466 Medicare services from Dr. Fischer across 5 procedure codes in 2024, for 442 Medicare patients. Medicare paid $50,567 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Fischer's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 2092024: 445113%
- Tests and treatments
- 2023: 02024: 21
Dr. Fischer compared with the Pennsylvania median for emergency medicine physicians, 2024
- Dr. Fischer
- Pennsylvania median
- Medicare services
- 466vs 24392% above
- Medicare patients
- 442vs 23390% above
- Part D claims
- 12vs 4070% below
Medians across 2,501 emergency medicine physicians in Pennsylvania with Dmand AI profiles that report each measure.
Dr. Fischer'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. Fischer?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Fischer and other emergency medicine physicians in Pennsylvania.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Greg Harrison Fischer treated 442 Medicare patients in 2024, average age 75
CMS counts 442 Medicare patients who saw Dr. Fischer in 2024. The largest group is 75 to 84, with 145 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 20% are also on Medicaid. Their average risk score is 2.15, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Dr. Fischer's median patient age at 47, with 54% women.
Dr. Fischer's Medicare patients by age, 2024
Dr. Fischer's Medicare patients by sex, 2024
- Women22350%
- Men21950%
Chronic conditions among Dr. Fischer's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis57%
- Chronic kidney disease49%
- Ischemic heart disease45%
- Diabetes44%
- Heart failure42%
- Anxiety41%
Share of Medicare patients with each condition. A patient can have several.
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 47
Patient panel by sex, all payers
- Women54%
- Men44%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Greg Harrison Fischer wrote 71 Medicare Part D claims in 2024
In 2024, Dr. Fischer wrote 71 Medicare Part D claims for 56 patients. 87% of them were for generic drugs. CMS names the drug for 12 of them, across 1 drug with 11 or more claims each, at $84 in total drug cost. In 2023, CMS named 26 claims across 2 drugs.
Dr. Fischer's Part D claims by kind of drug, 2024
- Generic62 claims87%
- Brand-name and other9 claims13%
Dr. Fischer'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. Fischer's Part D claims, 2024
- Opioids15%11 of 71 claims
- Antibiotics37%26 of 71 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: 262024: 1254%
Drugs named by CMS: 1 in 2024, 2 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
How Dr. Greg Harrison Fischer takes part in Medicare
Dr. Fischer accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Removal of tissue: 1 to 10 procedures (CMS shows small counts as a range)
Sources: Doctors and Clinicians National Downloadable File (CMS); and Doctors and Clinicians Utilization Data (CMS)
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Dr. Greg Harrison Fischer received $110 in industry payments from 2024 to 2025
CMS Open Payments shows 5 general payments to Dr. Fischer from 1 drug or device company from 2024 to 2025. Food and beverage make up the largest share, 100% of the total. Pfizer Inc. paid the most, $110.
General payments to Dr. Fischer by program year, 2024 to 2025
Companies that paid Dr. Fischer the most, 2024 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Greg Harrison Fischer graduated from Lake Erie Col of Osteopathic Medicine, Bradenton
Dr. Fischer graduated from Lake Erie Col of Osteopathic Medicine, Bradenton in 2018.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Greg Harrison 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 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) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Doctors and Clinicians Utilization Data (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. Greg Harrison 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. Greg Harrison Fischer's NPI number?
Dr. Greg Harrison Fischer's NPI number is 1851886923. It was assigned on June 29, 2018, and it is active in the NPI Registry.
What kind of doctor is Dr. Greg Harrison Fischer?
Dr. Greg Harrison Fischer is an emergency medicine physician in Hazleton, Pennsylvania. The primary specialty in the NPI Registry is Emergency Medicine Physician (taxonomy code 207P00000X).
Where does Dr. Greg Harrison Fischer practice?
Dr. Fischer practices at 700 East Broad Street, Hazleton, PA 18201. Dr. Fischer's primary practice is Lehigh Valley Hospital-Hazleton in Hazleton, Pennsylvania, part of Thomas Jefferson University. Dmand AI also links Dr. Fischer to 1 hospital and 4 medical groups.
What is Dr. Greg Harrison Fischer's office phone number?
The practice phone on file for Dr. Fischer is (570) 501-4000.
What is Dr. Greg Harrison Fischer's medical license number?
Dr. Fischer holds Pennsylvania license OS020331, one of the licenses on file in 2 states.
Which states has Dr. Greg Harrison Fischer been licensed in?
Dmand AI has state licenses on file for Dr. Fischer in Pennsylvania and Virginia.
Which hospitals is Dr. Greg Harrison Fischer affiliated with?
Dr. Fischer practices at Lehigh Valley Hospital-Hazleton in Hazleton, Pennsylvania. Dr. Fischer is also affiliated with Lehigh Valley Hospital-Cedar Crest. Dmand AI links Dr. Fischer to 1 more hospital.
What medical group is Dr. Greg Harrison Fischer part of?
Dr. Fischer is linked to Lehigh Valley Physician Group (LVPG). Dmand AI links Dr. Fischer to 4 more medical groups.
Does Dr. Greg Harrison Fischer accept Medicare?
Yes. CMS data shows Dr. Fischer billed Medicare for 466 services in 2024, and Dr. Fischer accepts Medicare assignment.
How many Medicare patients does Dr. Greg Harrison Fischer see?
CMS counts 442 Medicare patients who saw Dr. Fischer in 2024, with an average age of 75.
Show 5 more questionsShow fewer questions
What services does Dr. Greg Harrison Fischer bill to Medicare?
In 2024, Dr. Fischer's most billed Medicare services were emergency department visit (99285), emergency department visit (99284) and critical care (99291).
Where did Dr. Greg Harrison Fischer go to medical school?
Dr. Fischer graduated from Lake Erie Col of Osteopathic Medicine, Bradenton in 2018.
What drugs does Dr. Greg Harrison Fischer prescribe most?
In 2024 Medicare Part D data, Dr. Fischer's most prescribed drugs by claims were Cephalexin.
Has Dr. Greg Harrison Fischer received payments from drug or device companies?
CMS Open Payments shows $110 in general payments to Dr. Fischer from 1 company from 2024 to 2025. The largest total came from Pfizer Inc.
How long has Dr. Greg Harrison Fischer been practicing?
Dr. Fischer graduated from medical school in 2018, 8 years ago.
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