Dr. Gordon Erwin Callender, MD

  • Vineland, NJ
  • Colorectal surgeon
NPI1215059399PAC ID1951497031
Medicare services, 2024
237
Medicare patients, 2024
182
Part D claims, 2024
88
Hospital affiliations
3
Industry payments
$6,584
Practice address
1206 W Sherman Ave, Vineland, NJ 08360
Practice phone
Call (856) 507-2783
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Inspira Medical Group

Vineland, New Jersey

See all 9 affiliations

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Dr. Gordon Erwin Callender is a colorectal surgeon in Vineland, New Jersey

Dr. Callender practices at Inspira Medical Group in Vineland, New Jersey.

Dr. Callender's NPI, 1215059399, was assigned on April 6, 2007. Dr. Callender graduated from State University of New York at Stony Brook, School of Medicine in 1999. Dr. Callender holds New Jersey license 25MA08254600.

NPI and contact details
Medicare PAC ID
1951497031
NPI enumeration date
April 6, 2007
NPI status
Active
Accepts Medicare assignment
Yes
Offers telehealth
Yes
Practice phone
(856) 507-2783
Professional email
Get email
Personal email
Get email
Mobile number
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Sex
Male
Estimated age
53
Medical school graduation
1999

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)

Dr. Gordon Erwin Callender practices at Inspira Medical Group in Vineland, New Jersey

Dr. Callender's primary practice is Inspira Medical Group, at 1206 W Sherman Ave, Vineland, NJ 08360 in Cumberland County. The practice phone is (856) 507-2783.

  • Inspira Medical Group
    1206 W Sherman Ave, Vineland, NJ 08360 · Cumberland CountyPhone(856) 507-2783

Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data

Dr. Gordon Erwin Callender is affiliated with 6 sites of care and 3 medical groups

Dr. Callender's primary practice is Inspira Medical Group in Vineland, New Jersey. Dr. Callender is also affiliated with Inspira Medical Center Vineland. The medical group on file is Inspira Medical Group. Dmand AI also links Dr. Callender to 2 more hospitals, 2 medical groups, 1 group practice or clinic and 1 home health agency, each named with a free account.

See all 9 affiliations for Dr. Callender

Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data

Dmand AI tracks the EHR system at Dr. Gordon Erwin Callender's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Callender practices, 5 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Inspira Medical GroupAvailable with a free account
+5 more sites and 2 medical groupsAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Gordon Erwin Callender is one of 88 colorectal surgeons in New Jersey

Colon and rectal surgery is Dr. Callender's primary specialty in the NPI Registry, under taxonomy code 208C00000X. Dmand AI has Dr. Callender's licenses on file in 2 states: New Jersey and New York.

Specialties and state licenses

  • Colon and rectal surgery, New JerseyPrimaryLicense 25MA08254600 · taxonomy 208C00000X
  • New York licenseLicense 241774

Colorectal surgeons near Dr. Callender

Counts of colorectal surgeons with a Dmand AI profile, by place and practice. Each opens the list.

88colorectal surgeons in New Jersey
2colorectal surgeons in Vineland

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks

Dr. Gordon Erwin Callender billed Medicare for 237 services in 2024

CMS data shows 237 Medicare services from Dr. Callender across 5 procedure codes in 2024, for 182 Medicare patients. Medicare paid $16,118 for them.

Medicare services, 2024237
Medicare patients182
Paid by Medicare$16,118
Procedure codes5

Dr. Callender's Medicare services by type, 2023 to 2024

  • 2023
  • 2024
Office and hospital visits
2023: 2612024: 2379%

Where Dr. Callender's Medicare services took place, 2024

  • In an office4820%
  • In a facility18980%

Dr. Callender compared with the New Jersey median for colorectal surgeons, 2024

  • Dr. Callender
  • New Jersey median
Medicare services
237vs 33930% below
Medicare patients
182vs 1967% below
Part D claims
24vs 5959% below

Medians across 87 colorectal surgeons in New Jersey with Dmand AI profiles that report each measure.

Dr. Callender'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.

See all procedures by Dr. Callender

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

Dr. Gordon Erwin Callender treated 182 Medicare patients in 2024, average age 74

CMS counts 182 Medicare patients who saw Dr. Callender in 2024. The largest group is 65 to 74, with 61 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 36% are also on Medicaid. Their average risk score is 2.27, 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. Callender's median patient age at 57, with 47% women.

Medicare patients, 2024182
Average age74
Average risk score2.27
Also on Medicaid36%

Dr. Callender's Medicare patients by age, 2024

Dr. Callender's Medicare patients by sex, 2024

  • Women11161%
  • Men7139%

Chronic conditions among Dr. Callender's Medicare patients, 2024

  1. High blood pressure75%
  2. High cholesterol75%
  3. Arthritis53%
  4. Diabetes45%
  5. Ischemic heart disease42%
  6. Anxiety36%
  7. Chronic kidney disease35%
  8. Mood disorders35%

Share of Medicare patients with each condition. A patient can have several.

Dr. Callender's patients across all payers

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

Patient panel by age, all payers

Median age 57

Patient panel by sex, all payers

  • Women47%
  • Men51%

Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data

Dr. Gordon Erwin Callender wrote 88 Medicare Part D claims in 2024

In 2024, Dr. Callender wrote 88 Medicare Part D claims for 41 patients. 99% of them were for generic drugs. CMS names the drug for 24 of them, across 1 drug with 11 or more claims each, at $92 in total drug cost. In 2023, CMS named 35 claims across 2 drugs.

Part D claims, 202488
Drugs named by CMS1
Total drug cost$92
Part D patients41

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

  • Generic87 claims99%
  • Brand-name and other1 claims1%

Dr. Callender'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. Callender's Part D claims, 2024

  • Opioids45%40 of 88 claims
  • Antibiotics34%30 of 88 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: 352024: 2431%

Drugs named by CMS: 1 in 2024, 2 in 2023.

See all prescribing by Dr. Callender

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

Dr. Gordon Erwin Callender ranks in the 43rd percentile for colonoscopy in Medicare

Dr. Callender accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Callender as offering telehealth. CMS counts 13 procedures of colonoscopy by Dr. Callender, more than 43% of the clinicians it reports for that procedure.

Accepts Medicare assignment
Yes
Offers telehealth
Yes

Where Dr. Callender ranks in Medicare procedure volume

Colonoscopy
43rd percentile13 procedures

CMS ranks each clinician against every clinician it reports for the same procedure category.

Hernia repair (minimally invasive): 1 to 10 procedures (CMS shows small counts as a range)

Removal of tissue: 1 to 10 procedures (CMS shows small counts as a range)

Upper gastrointestinal (GI) endoscopy for acid reflux: 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. Gordon Erwin Callender received $6,584 in industry payments from 2016 to 2025

CMS Open Payments shows 58 general payments to Dr. Callender from 27 drug and device companies from 2016 to 2025. Education make up the largest share, 61% of the total. Intuitive Surgical, Inc. paid the most, $5,515.

General payments to Dr. Callender by program year, 2016 to 2025

General payments to Dr. Callender by kind, 2016 to 2025

$6.6Kin total
  • Education$4,01161%
  • Food and beverage$1,32320%
  • Travel and lodging$1,25019%

Companies that paid Dr. Callender the most, 2016 to 2025

Share is of all general payments to this clinician.

See all payments to Dr. Callender

Source: Open Payments (CMS), 2025 data, released July 7, 2026

Dr. Gordon Erwin Callender graduated from State University of New York at Stony Brook, School of Medicine

Dr. Callender graduated from State University of New York at Stony Brook, School of Medicine in 1999.

  1. Medical schoolState University of New York at Stony Brook, School of Medicine

Source: Dmand AI Professional Profile Data

Sources for Dr. Gordon Erwin Callender'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 phoneNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data
Primary practice, affiliations and health systemNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation 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 DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab)
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)
MIPS scores, telehealth, assignment and procedure percentilesDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Doctors and Clinicians Utilization Data (CMS) (opens in a new tab)
Industry paymentsOpen Payments (CMS) (opens in a new tab)
Training, board certification and membershipsDmand AI Professional Profile Data
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. Gordon Erwin Callender

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. Gordon Erwin Callender's NPI number?

Dr. Gordon Erwin Callender's NPI number is 1215059399. It was assigned on April 6, 2007, and it is active in the NPI Registry.

What kind of doctor is Dr. Gordon Erwin Callender?

Dr. Gordon Erwin Callender is a colorectal surgeon in Vineland, New Jersey. The primary specialty in the NPI Registry is Colon & Rectal Surgery Physician (taxonomy code 208C00000X).

Where does Dr. Gordon Erwin Callender practice?

Dr. Callender practices at 1206 W Sherman Ave, Vineland, NJ 08360. Dr. Callender's primary practice is Inspira Medical Group in Vineland, New Jersey. Dmand AI also links Dr. Callender to 2 hospitals, 2 medical groups, 1 group practice or clinic and 1 home health agency.

What is Dr. Gordon Erwin Callender's office phone number?

The practice phone on file for Dr. Callender is (856) 507-2783.

What is Dr. Gordon Erwin Callender's medical license number?

Dr. Callender holds New Jersey license 25MA08254600, one of the licenses on file in 2 states.

Which states has Dr. Gordon Erwin Callender been licensed in?

Dmand AI has state licenses on file for Dr. Callender in New Jersey and New York.

Which hospitals is Dr. Gordon Erwin Callender affiliated with?

Dr. Callender is affiliated with Inspira Medical Center Vineland. Dmand AI links Dr. Callender to 2 more hospitals.

What medical group is Dr. Gordon Erwin Callender part of?

Dr. Callender is linked to Inspira Medical Group. Dmand AI links Dr. Callender to 2 more medical groups.

Does Dr. Gordon Erwin Callender accept Medicare?

Yes. CMS data shows Dr. Callender billed Medicare for 237 services in 2024, and Dr. Callender accepts Medicare assignment.

Does Dr. Gordon Erwin Callender offer telehealth?

Yes. The CMS Doctors and Clinicians file lists Dr. Callender as offering telehealth services.

Show 6 more questionsShow fewer questions

How many Medicare patients does Dr. Gordon Erwin Callender see?

CMS counts 182 Medicare patients who saw Dr. Callender in 2024, with an average age of 74.

What services does Dr. Gordon Erwin Callender bill to Medicare?

In 2024, Dr. Callender's most billed Medicare services were hospital inpatient care (99232), hospital inpatient care (99231) and hospital inpatient care (99222).

Where did Dr. Gordon Erwin Callender go to medical school?

Dr. Callender graduated from State University of New York at Stony Brook, School of Medicine in 1999.

What drugs does Dr. Gordon Erwin Callender prescribe most?

In 2024 Medicare Part D data, Dr. Callender's most prescribed drugs by claims were Oxycodone-Acetaminophen.

Has Dr. Gordon Erwin Callender received payments from drug or device companies?

CMS Open Payments shows $6,584 in general payments to Dr. Callender from 27 companies from 2016 to 2025. The largest total came from Intuitive Surgical, Inc.

How long has Dr. Gordon Erwin Callender been practicing?

Dr. Callender graduated from medical school in 1999, 27 years ago.

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