Dr. Gerald Francis Hemmer, MD

  • Syracuse, NY
  • Emergency medicine physician
NPI1891710398
Medicare services, 2018
42
Part D claims, 2024
55
Affiliated sites
1
Medical group
1
State license
1
Practice address
4900 Broad Road, Syracuse, NY 13215
Practice phone
Call (315) 492-5786
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Upstate Community Hospital Transitional Care Unit

Skilled Nursing Facility - Hospital-Based · Syracuse, New York

See all 2 affiliations

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Dr. Gerald Francis Hemmer is an emergency medicine physician in Syracuse, New York

Dr. Hemmer practices at Upstate Community Hospital Transitional Care Unit in Syracuse, New York.

Dr. Hemmer's NPI, 1891710398, was assigned on July 13, 2006. Dr. Hemmer holds New York license 120731-1.

NPI and contact details
NPI enumeration date
July 13, 2006
NPI status
Active
Practice phone
(315) 492-5786
Professional email
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Personal email
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Mobile number
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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. Gerald Francis Hemmer practices at Upstate Community Hospital Transitional Care Unit in Syracuse, New York

Dr. Hemmer's primary practice is Upstate Community Hospital Transitional Care Unit, at 4900 Broad Road, Syracuse, NY 13215 in Onondaga County. The practice phone is (315) 492-5786.

  • Upstate Community Hospital Transitional Care Unit
    4900 Broad Road, Syracuse, NY 13215 · Onondaga CountyPhone(315) 492-5786

Sources: Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)

Dr. Gerald Francis Hemmer is affiliated with 1 site of care and 1 medical group

Dr. Hemmer's primary practice is Upstate Community Hospital Transitional Care Unit in Syracuse, New York. Dmand AI also links Dr. Hemmer to 1 medical group, named with a free account.

Upstate Community Hospital Transitional Care UnitSkilled Nursing Facility - Hospital-Based · Syracuse, New YorkPrimary
1 medical groupName with a free accountParent health systemName with a free account
See all 2 affiliations for Dr. Hemmer

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. Gerald Francis Hemmer's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Hemmer practices. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Upstate Community Hospital Transitional Care UnitAvailable with a free account
+1 medical groupAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Gerald Francis Hemmer is one of 3,709 emergency medicine physicians in New York

Emergency medicine is Dr. Hemmer's primary specialty in the NPI Registry, under taxonomy code 207P00000X. Dr. Hemmer is licensed in New York.

Specialties and state licenses

  • Emergency medicine, New YorkPrimaryLicense 120731-1 · taxonomy 207P00000X

Emergency medicine physicians near Dr. Hemmer

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. Gerald Francis Hemmer billed Medicare for 42 services in 2018

CMS data shows 42 Medicare services from Dr. Hemmer across 2 procedure codes in 2018, all of them office visits. Medicare paid $2,850 for them. Every service was in an office.

Medicare services, 201842
Paid by Medicare$2,850
Procedure codes2

Dr. Hemmer's Medicare services by type, 2017 to 2018

  • 2017
  • 2018
Office and hospital visits
2017: 242018: 4275%

Dr. Hemmer compared with the New York median for emergency medicine physicians, 2018

  • Dr. Hemmer
  • New York median
Medicare services
42vs 21981% below
Part D claims
12vs 2959% below

Medians across 3,510 emergency medicine physicians in New York with Dmand AI profiles that report each measure.

Dr. Hemmer'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.

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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks

Dr. Gerald Francis Hemmer's patients have a median age of 71

Across all payers, Dmand AI patient panel data puts Dr. Hemmer's median patient age at 71, with 0% women.

Dr. Hemmer's patients across all payers

Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.

Patient panel by age, all payers

Median age 71

Patient panel by sex, all payers

  • Women0%
  • Men100%

Source: Dmand AI Patient Panel Data

Dr. Gerald Francis Hemmer wrote 55 Medicare Part D claims in 2024

In 2024, Dr. Hemmer wrote 55 Medicare Part D claims. 95% of them were for generic drugs. CMS names the drug for 12 of them, across 1 drug with 11 or more claims each, at $106 in total drug cost. In 2016, CMS named 44 claims across 3 drugs.

Part D claims, 202455
Drugs named by CMS1
Total drug cost$106

Dr. Hemmer's Part D claims by kind of drug, 2024

  • Generic52 claims95%
  • Brand-name and other3 claims5%

Dr. Hemmer's most prescribed drugs by claims, 2018

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, 2016 to 2018

  • 2016
  • 2018
Claims for drugs CMS names
2016: 442018: 1273%

Drugs named by CMS: 1 in 2018, 3 in 2016.

See all prescribing by Dr. Hemmer

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

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Sources for Dr. Gerald Francis Hemmer's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneDmand AI Affiliation DataDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)
Primary practice, affiliations and health systemDmand AI Affiliation DataDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Dmand AI Org Hierarchy Data
Medicare services and procedure codesMedicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab)
State medians for the same specialtyDmand AI Peer Benchmarks
Medicare patients and the all-payer patient panelDmand AI Patient Panel Data
Part D prescribingMedicare 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)
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand AI Affiliation Data

Data last refreshed October 2026Report an inaccuracyRemove my information

FAQ

Frequently asked questions about Dr. Gerald Francis Hemmer

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. Gerald Francis Hemmer's NPI number?

Dr. Gerald Francis Hemmer's NPI number is 1891710398. It was assigned on July 13, 2006, and it is active in the NPI Registry.

What kind of doctor is Dr. Gerald Francis Hemmer?

Dr. Gerald Francis Hemmer is an emergency medicine physician in Syracuse, New York. The primary specialty in the NPI Registry is Emergency Medicine Physician (taxonomy code 207P00000X).

Where does Dr. Gerald Francis Hemmer practice?

Dr. Hemmer practices at 4900 Broad Road, Syracuse, NY 13215. Dr. Hemmer's primary practice is Upstate Community Hospital Transitional Care Unit in Syracuse, New York. Dmand AI also links Dr. Hemmer to 1 medical group.

What is Dr. Gerald Francis Hemmer's office phone number?

The practice phone on file for Dr. Hemmer is (315) 492-5786.

What is Dr. Gerald Francis Hemmer's medical license number?

Dr. Hemmer holds New York license 120731-1.

Does Dr. Gerald Francis Hemmer accept Medicare?

Yes. CMS data shows Dr. Hemmer billed Medicare for 42 services in 2018.

What services does Dr. Gerald Francis Hemmer bill to Medicare?

In 2018, Dr. Hemmer's most billed Medicare services were office visit, established patient (99214) and office visit, established patient (99213).

What drugs does Dr. Gerald Francis Hemmer prescribe most?

In 2018 Medicare Part D data, Dr. Hemmer's most prescribed drugs by claims were Cephalexin.

How long has Dr. Gerald Francis Hemmer been practicing?

Dr. Hemmer's NPI was assigned in 2006.

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