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Physician

GREGORY HAMAN, M.D.

Internal Medicine

WILLIMANTIC, CT, 06226
NPI: 1033590773

Contact

Internal Medicine

WILLIMANTIC, CT

WINDHAM COMMUNITY MEMORIAL HOSPITAL

860-456-9116

windhamhospital.org

WILLIAM W BACKUS HOSPITAL

860-889-8331

backushospital.org

Hospital Affiliations

Search procedure prices at these hospitals only

Common Procedures for Internal Medicine

Annual Physical ExamChronic Disease ManagementPreventive ScreeningBlood Pressure ManagementDiabetes ManagementCholesterol ManagementImmunizationsEKGSpirometryHealth Risk Assessment

Based on specialty. Actual services may vary — contact the provider's office to confirm.

MIPS Quality Score

PY 2023
93.6/100Exceptional
Quality
78.5
Promoting Interoperability
100.0
Improvement Activities
40.0

MIPS (Merit-based Incentive Payment System) scores measure quality, cost, and improvement activities. Higher is better. Learn more at qpp.cms.gov

Procedure Pricing (Medicare Data)

Based on CMS Medicare Provider Utilization data for 2023. These represent what this physician charged Medicare, not necessarily what you would pay. Compare with other physicians

ProcedureAvg ChargeMedicare AllowedMedicare PaidServices
99496
Transitional care management services for problem of high complexity
$657$294$22826
99495
Transitional care management services for problem of at least moderate complexity
$486$219$16516
G0439
Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit
$452$139$139132
99215
Established patient office or other outpatient visit, 40-54 minutes
$428$187$13718
90677
Pneumococcal conjugate vaccine, 20 valent (pcv20), for intramuscular use
$373$281$28118
99214
Established patient office or other outpatient visit, 30-39 minutes
$306$135$93407
99213
Established patient office or other outpatient visit, 20-29 minutes
$216$93$6499
G0180
Physician or allowed practitioner certification for medicare-covered home health services under a home health plan of care (patient not present), including contacts with home health agency and review of reports of patient status required by physicians and
$181$56$4425
91320
Sarscv2 vac 30mcg trs-suc im
$150$124$12431
99212
Established patient office or other outpatient visit, 10-19 minutes
$136$57$3326
90662
Influenza vaccine split virus, preservative free
$73$70$7056
93000
Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report
$72$16$1316
90480
Admn sarscov2 vacc 1 dose
$70$42$4231
G0009
Administration of pneumococcal vaccine
$70$33$3324
0124A
Adm sarscv2 bvl 30mcg/.3ml a
$70$43$4339
G0008
Administration of influenza virus vaccine
$65$32$3283
83036
Hemoglobin a1c level
$37$9$954
90686
Influenza vaccine, quadrivalent, preservative free, 0.5 ml dosage
$35$21$2127
91312
Sarscov2 vac bvl 30mcg/0.3ml
$0$0$040

Compare prices for procedures performed by Internal Medicine physicians

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Physician identity data from the NPPES NPI Registry. Last synced 3/28/2026.