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John T Mather Memorial Hospital of Port Jefferson

John T Mather Memorial Hospital of Port Jefferson charges 7.2x the Medicare reimbursement rate across 94 analyzed procedures, with only 4% classified as pricing outliers.

Port Jefferson, NY 11777 · Acute Care Hospitals · CMS Rating: 5/5

By Michael Glenn , Healthcare Data Analyst · ·
Data from CMS files published FY 2024 CMS IPPS. Refreshed weekly.
About the analyst

Michael Glenn reviews CMS datasets and drug pricing at BillRazor Research. He focuses on NADAC acquisition costs and procedure coding accuracy. Expertise: drug pricing, NADAC data, CPT coding.

94 procedures analyzed
CMS price transparency data
Updated 2026-04-03
Median 5.0x2.9x15.0x
7.2x
Medicare markup ratio
NY lowestJohn T Mather Memorial...NY highest
7.2x
Avg markup ratio
6.8x
Median markup
94
Procedures
4%
Outlier procedures
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Pricing grade

D

High

Avg markup vs Medicare

7.21x

Charge / Medicare rate

Max markup

12.95x

Worst procedure

Procedures analyzed

94

With pricing data

Outlier procedures

4.3%

Above 90th percentile

Pricing grades reflect how this hospital's chargemaster (list) rates compare to Medicare reimbursement benchmarks within the same state. Grades measure pricing patterns only — not quality of care, patient outcomes, or clinical performance. A lower grade does not mean a hospital provides inferior care. Based on publicly available federal data. Not endorsed by or affiliated with any government agency.

ProcedureCodeGross chargeCash priceMedicareMarkup
INTRACRANIAL HEMORRHAGE OR CEREBRAL INFARCTION WITH CC OR TPA IN 24 HOURS065$93,425$46,71213x
GASTROINTESTINAL OBSTRUCTION WITHOUT CC/MCC390$46,134$23,06712.7x
MAJOR HEMATOLOGICAL AND IMMUNOLOGICAL DIAGNOSES EXCEPT SICKLE CELL CRISIS AND COAGULATIO809$68,081$34,04012.1x
LAPAROSCOPIC CHOLECYSTECTOMY WITHOUT C.D.E. WITHOUT CC/MCC419$93,407$46,70411.6x
INTRACRANIAL HEMORRHAGE OR CEREBRAL INFARCTION WITHOUT CC/MCC066$56,697$28,34810.8x
CARDIAC ARRHYTHMIA AND CONDUCTION DISORDERS WITHOUT CC/MCC310$44,080$22,04010.3x
SIMPLE PNEUMONIA AND PLEURISY WITH CC194$53,676$26,83810.1x
GASTROINTESTINAL HEMORRHAGE WITH CC378$73,346$36,6739.9x
HYPERTENSION WITHOUT MCC305$51,948$25,9749.7x
CELLULITIS WITHOUT MCC603$61,939$30,9709.6x
FRACTURE, SPRAIN, STRAIN AND DISLOCATION EXCEPT FEMUR, HIP, PELVIS AND THIGH WITHOUT MCC563$47,844$23,9229.6x
SIGNS AND SYMPTOMS WITHOUT MCC948$49,974$24,9879.6x
OTHER KIDNEY AND URINARY TRACT DIAGNOSES WITH CC699$90,190$45,0959.5x
ESOPHAGITIS, GASTROENTERITIS AND MISCELLANEOUS DIGESTIVE DISORDERS WITHOUT MCC392$56,890$28,4459.4x
KIDNEY AND URINARY TRACT INFECTIONS WITHOUT MCC690$54,616$27,3089.1x
OTHER DIGESTIVE SYSTEM DIAGNOSES WITH CC394$61,724$30,8629.1x
RED BLOOD CELL DISORDERS WITHOUT MCC812$63,789$31,8948.9x
DISORDERS OF PANCREAS EXCEPT MALIGNANCY WITH CC439$55,672$27,8368.9x
SEPTICEMIA OR SEVERE SEPSIS WITHOUT MV >96 HOURS WITHOUT MCC872$67,654$33,8278.9x
GASTROINTESTINAL OBSTRUCTION WITH CC389$50,791$25,3968.8x
TRANSIENT ISCHEMIA WITHOUT THROMBOLYTIC069$56,855$28,4278.5x
ACUTE MYOCARDIAL INFARCTION, DISCHARGED ALIVE WITH CC281$54,821$27,4118.4x
ENDOCRINE DISORDERS WITH MCC643$101,886$50,9438.2x
CARDIAC ARRHYTHMIA AND CONDUCTION DISORDERS WITH CC309$43,662$21,8318.2x
DISORDERS OF THE BILIARY TRACT WITH CC445$77,962$38,9818.1x
CHRONIC OBSTRUCTIVE PULMONARY DISEASE WITH MCC190$76,509$38,2548.1x
PERIPHERAL VASCULAR DISORDERS WITH CC300$62,573$31,2878x
MEDICAL BACK PROBLEMS WITHOUT MCC552$63,345$31,6727.9x
ACUTE MYOCARDIAL INFARCTION, DISCHARGED ALIVE WITH MCC280$100,381$50,1917.8x
MAJOR GASTROINTESTINAL DISORDERS AND PERITONEAL INFECTIONS WITH CC372$68,213$34,1077.6x
ORGANIC DISTURBANCES AND INTELLECTUAL DISABILITY884$94,175$47,0877.5x
OTHER MUSCULOSKELETAL SYSTEM AND CONNECTIVE TISSUE O.R. PROCEDURES WITH CC516$138,427$69,2137.4x
INFECTIOUS AND PARASITIC DISEASES WITH O.R. PROCEDURES WITH CC854$160,460$80,2307.4x
RENAL FAILURE WITH CC683$52,589$26,2957.3x
CARDIAC ARRHYTHMIA AND CONDUCTION DISORDERS WITH MCC308$79,868$39,9347.3x
PULMONARY EMBOLISM WITH MCC OR ACUTE COR PULMONALE175$66,966$33,4837.3x
MISCELLANEOUS DISORDERS OF NUTRITION, METABOLISM, FLUIDS AND ELECTROLYTES WITHOUT MCC641$41,689$20,8457.3x
OTHER KIDNEY AND URINARY TRACT DIAGNOSES WITH MCC698$107,942$53,9717.2x
PULMONARY EDEMA AND RESPIRATORY FAILURE189$69,479$34,7407.1x
DIABETES WITH CC638$47,534$23,7677.1x
ENDOCRINE DISORDERS WITH CC644$62,415$31,2087x
CIRCULATORY DISORDERS EXCEPT AMI, WITH CARDIAC CATHETERIZATION WITH MCC286$131,610$65,8057x
RENAL FAILURE WITH MCC682$99,374$49,6876.9x
RESPIRATORY INFECTIONS AND INFLAMMATIONS WITH CC178$60,964$30,4826.9x
MAJOR SMALL AND LARGE BOWEL PROCEDURES WITH CC330$158,627$79,3136.8x
PERMANENT CARDIAC PACEMAKER IMPLANT WITH MCC242$153,800$76,9006.8x
KIDNEY AND URINARY TRACT INFECTIONS WITH MCC689$65,388$32,6946.8x
FRACTURES OF HIP AND PELVIS WITHOUT MCC536$40,089$20,0446.7x
HIP AND FEMUR PROCEDURES EXCEPT MAJOR JOINT WITH CC481$114,027$57,0146.7x
O.R. PROCEDURES FOR OBESITY WITHOUT CC/MCC621$70,595$35,2986.7x

Showing 50 of 94 procedures

How JOHN T MATHER MEMORIAL HOSPITAL OF PORT JEFFERSON compares to nearby hospitals

Comparison based on average markup ratios from federal hospital pricing data (FY 2024). Chargemaster rates are gross charges — they are not what most insured patients pay. Actual costs depend on your insurance plan, negotiated rates, and coverage terms. This comparison is for informational purposes only and does not constitute medical, financial, or legal advice. Verify costs directly with your provider and insurer.

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Pricing data from federal hospital transparency files and physician fee schedules. Last updated: . All data is publicly available under federal law.

Rates shown are from the 2026 Medicare Physician Fee Schedule and CMS IPPS. BillRazor compares your bill against these data sources. See how it works →

Related pricing data

Data: Federal hospital pricing data, updated annually. All data publicly available under federal law.

Methodology: Hospital gross charges divided by Medicare payment for the same DRG. A ratio of 3.0x means the hospital's listed price is 3 times what Medicare pays. Chargemaster rates are list prices — they are not what most insured patients pay. Grades measure pricing patterns only — not quality of care or clinical performance.

This information is for educational purposes only and is not medical, financial, or legal advice. Actual costs depend on your insurance and provider. We recommend verifying costs directly with your provider. Full methodology · Terms of use

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