Dr. Glen Gejerman, MD
- Medicare services, 2024
- 33,327
- Medicare patients, 2024
- 857
- Part D claims, 2024
- 761
- Publications
- 9
- Hospital affiliations
- 4
- Practice address
- 160 Pehle Ave, Saddle Brook, NJ 07663
- Practice phone
- Call (908) 273-4300
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Summit Medical Group - Berkley Heights Campus
Medical specialty practice · Saddle Brook, New Jersey
Find Dr. Gejerman'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. Glen Gejerman is a radiation oncologist in Saddle Brook, New Jersey
Dr. Gejerman practices at Summit Medical Group - Berkley Heights Campus in Saddle Brook, New Jersey.
Dr. Gejerman's NPI, 1972565182, was assigned on April 4, 2006. Dr. Gejerman graduated from Rutgers New Jersey Medical School in 1990. Dr. Gejerman holds New Jersey license 25MA06178800.
- NPI
- 1972565182NPI Registry (opens in a new tab)
- Medicare PAC ID
- 4587649397
- NPI enumeration date
- April 4, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (908) 273-4300
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 62
- Medical school graduation
- 1990
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Glen Gejerman practices at Summit Medical Group - Berkley Heights Campus in Saddle Brook, New Jersey
Dr. Gejerman's primary practice is Summit Medical Group - Berkley Heights Campus, at 160 Pehle Ave, Saddle Brook, NJ 07663. The practice phone is (908) 273-4300.
- Summit Medical Group - Berkley Heights Campus160 Pehle Ave, Saddle Brook, NJ 07663Phone(908) 273-4300
Source: Dmand AI Affiliation Data
Dr. Glen Gejerman is affiliated with 8 sites of care and 4 medical groups
Dr. Gejerman's primary practice is Summit Medical Group - Berkley Heights Campus in Saddle Brook, New Jersey. Dr. Gejerman is also affiliated with Hackensack University Medical Center. The medical group on file is Summit Health. Dmand AI also links Dr. Gejerman to 3 more hospitals, 3 group practices and clinics and 3 medical groups, each named with a free account.
Source: Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Glen Gejerman's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Gejerman practices, 8 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Summit Medical Group - Berkley Heights Campus | Available with a free account |
| +7 more sites and 3 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Glen Gejerman is one of 145 radiation oncologists in New Jersey
Radiation oncology is Dr. Gejerman's primary specialty in the NPI Registry, under taxonomy code 2085R0001X. Dr. Gejerman is board certified in radiation oncology by the American Board of Radiology. Dmand AI has Dr. Gejerman's licenses on file in 2 states: New Jersey and New York.
Specialties and state licenses
- Radiation oncology, New JerseyPrimary
- New York license
Clinical focus
Dmand AI lists bladder cancer radiation and prostate cancer radiation among the conditions Dr. Gejerman treats.
Radiation oncologists near Dr. Gejerman
Counts of radiation oncologists 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. Glen Gejerman billed Medicare for 33,327 services in 2024
CMS data shows 33,327 Medicare services from Dr. Gejerman across 40 procedure codes in 2024, for 857 Medicare patients. Medicare paid $6,318,096 for them.
Dr. Gejerman's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Other services
- 2023: 23,3162024: 20,73911%
- Imaging
- 2023: 8,4842024: 7,21515%
- Drugs given in the office
- 2023: 3,6542024: 3,7703%
- Office and hospital visits
- 2023: 7632024: 8056%
- Surgery
- 2023: 4512024: 61937%
- Lab and pathology
- 2023: 02024: 119
- Tests and treatments
- 2023: 672024: 6010%
Where Dr. Gejerman's Medicare services took place, 2024
- In an office33,245100%
- In a facility820%
Dr. Gejerman compared with the New Jersey median for radiation oncologists, 2024
- Dr. Gejerman
- New Jersey median
- Medicare services
- 33,327vs 1,81318.4 times
- Medicare patients
- 857vs 2104.1 times
- Part D claims
- 706vs 4615.3 times
Medians across 135 radiation oncologists in New Jersey with Dmand AI profiles that report each measure.
Dr. Gejerman'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.
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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Gejerman and other radiation oncologists in New Jersey.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Glen Gejerman treated 857 Medicare patients in 2024, average age 74
CMS counts 857 Medicare patients who saw Dr. Gejerman in 2024. The largest group is 65 to 74, with 456 patients. 75% of them have cancer, and 75% have high blood pressure. 6% are also on Medicaid. Their average risk score is 1.27, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Gejerman's median patient age at 72, with 1% women.
Dr. Gejerman's Medicare patients by age, 2024
Dr. Gejerman's Medicare patients by sex, 2024
- Women152%
- Men84298%
Chronic conditions among Dr. Gejerman's Medicare patients, 2024
- Cancer75%
- High blood pressure75%
- High cholesterol75%
- Arthritis35%
- Ischemic heart disease35%
- Diabetes32%
- Osteoporosis22%
- Chronic kidney disease21%
Share of Medicare patients with each condition. A patient can have several.
Dr. Gejerman's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 72
Patient panel by sex, all payers
- Women1%
- Men96%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Glen Gejerman wrote 761 Medicare Part D claims in 2024
In 2024, Dr. Gejerman wrote 761 Medicare Part D claims for 450 patients. 98% of them were for generic drugs. CMS names the drug for 706 of them, across 4 drugs with 11 or more claims each, at $6,147 in total drug cost. In 2023, CMS named 579 claims across 5 drugs.
Dr. Gejerman's Part D claims by kind of drug, 2024
- Generic748 claims98%
- Brand-name and other13 claims2%
Dr. Gejerman'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. Gejerman's Part D claims, 2024
- Opioids2%14 of 761 claims
- Antibiotics42%323 of 761 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: 5792024: 70622%
Drugs named by CMS: 4 in 2024, 5 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. Glen Gejerman takes part in Medicare
Dr. Gejerman accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. Glen Gejerman has 9 publications on record
Dmand AI links 9 papers to Dr. Gejerman, published from 2008 to 2025. The most frequent topics are Prostatic Neoplasms, Prostatectomy and Self Efficacy. Dr. Gejerman has published most often in Investig Clin Urol. Dr. Gejerman's most frequent co-authors are Michael Phillip Esposito, MD, Martin M. Goldstein, MD and Martin B. Goldstein, DO.
Dr. Gejerman's papers by year, 2008 to 2025
Topics Dr. Gejerman writes about most
- Prostatic Neoplasms
- Prostatectomy
- Self Efficacy
Dr. Gejerman's most frequent co-authors
- Michael Phillip Esposito, MD4 shared papers
- Martin M. Goldstein, MD3 shared papers
- Martin B. Goldstein, DO2 shared papers
Recent publications by Dr. Gejerman
Pract Radiat Oncol
Investig Clin Urol
Support Care Cancer
See who Dr. Gejerman researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Gejerman works with, so you can find a warm path to the right radiation oncologists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Glen Gejerman received $247,498 in industry payments from 2016 to 2025
CMS Open Payments shows 183 general payments to Dr. Gejerman from 16 drug and device companies from 2016 to 2025. Consulting fees make up the largest share, 52% of the total. Bayer HealthCare Pharmaceuticals Inc. paid the most, $76,272.
General payments to Dr. Gejerman by program year, 2016 to 2025
General payments to Dr. Gejerman by kind, 2016 to 2025
- Consulting fees$128,57452%
- Speaker and faculty fees$102,55941%
- Travel and lodging$13,8326%
- Food and beverage$2,5331%
Companies that paid Dr. Gejerman the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Glen Gejerman has 9 awards and honors on record
Dmand AI lists 9 awards for Dr. Gejerman, most recently America's Top Doctors in 2014.
Awards and honors for Dr. Gejerman
- 2014
- America's Top Doctors
- Inside Jersey Magazine Top Doctors
- Inside Jersey Top Doctors for Cancer
- Top Doctors: New York Metro Area
- 2013
- America's Top Doctors for Cancer
- CMS Stage 1 EHR
Source: Dmand AI Professional Profile Data
Dr. Glen Gejerman graduated from Rutgers New Jersey Medical School
Dr. Gejerman graduated from Rutgers New Jersey Medical School in 1990.
- Medical school
- Board certified in radiation oncology
Source: Dmand AI Professional Profile Data
Dr. Glen Gejerman accepts plans from 19 insurance carriers
Dr. Gejerman is in network with 19 carriers, including Aetna, Elevance and United Healthcare. PPO plans come from the most carriers, 13. Check the plan with the practice before a visit.
- Aetna
- Elevance
- United Healthcare
- Blue Cross Blue Shield of Michigan
- Excellus BlueCross BlueShield
- Horizon Blue Cross Blue Shield of New Jersey
- Cigna
- HCSC
- +11 more carriersWith a free account
Plan types Dr. Gejerman accepts, by number of carriers
- PPO13
- Medicare12
- HMO10
- POS7
- EPO5
- Medicaid1
Source: Dmand AI Insurance Network Data
Sources for Dr. Glen Gejerman'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 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) |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Awards and committee roles | Dmand AI Professional Profile Data |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| Insurance carriers and plan types | Dmand AI Insurance Network 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. Glen Gejerman
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. Glen Gejerman's NPI number?
Dr. Glen Gejerman's NPI number is 1972565182. It was assigned on April 4, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Glen Gejerman?
Dr. Glen Gejerman is a radiation oncologist in Saddle Brook, New Jersey. The primary specialty in the NPI Registry is Radiation Oncology Physician (taxonomy code 2085R0001X).
Where does Dr. Glen Gejerman practice?
Dr. Gejerman practices at 160 Pehle Ave, Saddle Brook, NJ 07663. Dr. Gejerman's primary practice is Summit Medical Group - Berkley Heights Campus in Saddle Brook, New Jersey. Dmand AI also links Dr. Gejerman to 3 hospitals, 3 group practices and clinics and 3 medical groups.
What is Dr. Glen Gejerman's office phone number?
The practice phone on file for Dr. Gejerman is (908) 273-4300.
What is Dr. Glen Gejerman's medical license number?
Dr. Gejerman holds New Jersey license 25MA06178800, one of the licenses on file in 2 states.
Which states has Dr. Glen Gejerman been licensed in?
Dmand AI has state licenses on file for Dr. Gejerman in New Jersey (1995 to 2027) and New York (1992 to 2026).
Which hospitals is Dr. Glen Gejerman affiliated with?
Dr. Gejerman is affiliated with Hackensack University Medical Center. Dmand AI links Dr. Gejerman to 3 more hospitals.
What medical group is Dr. Glen Gejerman part of?
Dr. Gejerman is linked to Summit Health. Dmand AI links Dr. Gejerman to 3 more medical groups.
Does Dr. Glen Gejerman accept Medicare?
Yes. CMS data shows Dr. Gejerman billed Medicare for 33,327 services in 2024, and Dr. Gejerman accepts Medicare assignment.
How many Medicare patients does Dr. Glen Gejerman see?
CMS counts 857 Medicare patients who saw Dr. Gejerman in 2024, with an average age of 74.
Show 9 more questionsShow fewer questions
Is Dr. Glen Gejerman board certified?
Yes. Dr. Gejerman is board certified in radiation oncology by the American Board of Radiology.
What services does Dr. Glen Gejerman bill to Medicare?
In 2024, Dr. Gejerman's most billed Medicare services were medical supplies or transport (A9607), medicare service (G6015) and radiation oncology (77014).
Where did Dr. Glen Gejerman go to medical school?
Dr. Gejerman graduated from Rutgers New Jersey Medical School in 1990.
What drugs does Dr. Glen Gejerman prescribe most?
In 2024 Medicare Part D data, Dr. Gejerman's most prescribed drugs by claims were Tamsulosin HCl, Ciprofloxacin HCl and Alendronate Sodium.
Has Dr. Glen Gejerman received payments from drug or device companies?
CMS Open Payments shows $247,498 in general payments to Dr. Gejerman from 16 companies from 2016 to 2025. The largest total came from Bayer HealthCare Pharmaceuticals Inc.
How long has Dr. Glen Gejerman been practicing?
Dr. Gejerman graduated from medical school in 1990, 36 years ago.
Does Dr. Glen Gejerman do research?
Dmand AI links 9 publications to Dr. Gejerman, published from 2008 to 2025.
Who does Dr. Glen Gejerman publish with?
Dr. Gejerman's most frequent co-authors are Michael Phillip Esposito, MD (4 shared papers), Martin M. Goldstein, MD (3 shared papers) and Martin B. Goldstein, DO (2 shared papers).
What insurance does Dr. Glen Gejerman accept?
Dr. Gejerman is in network with 19 carriers, including Aetna, Elevance and United Healthcare. PPO plans come from the most carriers, 13. Check the plan with the practice before a visit.
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