GREGORY HAMAN M.D.
NPI 1033590773
Internal Medicine in Willimantic, CT

Q: What is Gregory Haman's NPI number?

The NPI number for Gregory Haman is 1033590773. It was assigned to this individual provider in the NPPES registry on June 17, 2015.

Q: What is Gregory Haman's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Q: When was this NPI record last updated?

The NPPES record for Gregory Haman was last updated on May 6, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.

Active since June 17, 2015PECOS EnrolledAccepts Medicare Assignment

93.56/100

CMS Quality Rating

5 FOUNDERS ST STE 100, WILLIMANTIC, CT 06226(860) 423-9764 Get Directions Write a Review

NPPES record last updated: May 6, 2020. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: May 6, 2020, Jun 27, 2018 (2 updates tracked since 2018).

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About Gregory Haman M.d. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

GREGORY HAMAN M.D. (NPI 1033590773) is an individual internal medicine provider in Willimantic, Connecticut, licensed in Connecticut (65062) and active in the NPI registry since June 2015. He is enrolled in Medicare PECOS, maintains 2 additional practice locations, and is a graduate of Harvard Medical School (2015).

NPPES Registry Identity

NPI1033590773

Entity TypeIndividualMale

Primary Taxonomy207R00000X

Provider Legal NameGREGORY HAMANCredential: M.D.

Location Address5 FOUNDERS ST STE 100Willimantic, CT 06226-2049

Mailing Address1290 Silas Deane Hwy, Hhc Cvo Enrollment 1st FloorWethersfield, CT 06109

Phone(860) 423-9764

Sole ProprietorYes

Medical School CMSHarvard Medical SchoolGraduated 2015

Enumeration DateJune 17, 2015

Last NPPES UpdateMay 6, 20202 updates tracked since enumeration

NPPES CertifiedMay 6, 2020

✔ NPI 1033590773 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians

Taxonomy Code207R00000X

Licenses✔ Licensed in CT · 65062✔ Licensed in IL · 125066888

Definition

A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.

5 FOUNDERS ST STE 100, Willimantic, CT 06226

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Secondary Practice Locations 2

Location 15841 S Maryland Ave, Room A700; MC-7082Chicago, IL 60637-1447 · Phone (773) 702-6840

Location 2Cermak Health Services of Cook County, 2800 South California AvenueChicago, IL 60608-5107 · Phone (773) 674-7488

Other Identifiers 1

Other65062CT · Ct Lic

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Gregory Haman M.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID2961702964

PECOS Enrollment IDI20200508001093

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Areas of Expertise CMS Part B claims 10

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214

This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.

485 services181 patients

Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit G0439

An annual wellness visit is a yearly appointment with your primary care provider to create or update a personalized prevention plan. This plan helps prevent illness based on your current health and risk factors. It's a subsequent visit, meaning it follows an initial assessment.

135 services135 patients

Hemoglobin a1c level 83036

Hemoglobin A1c (HbA1c) is a test that measures your average blood sugar level over the past 2-3 months. It's used to monitor how well diabetes is being controlled. High levels may indicate that your diabetes treatment plan needs adjustment.

79 services45 patients

Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213

This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.

76 services59 patients

Administration of influenza virus vaccine G0008

The administration of the influenza virus vaccine, also known as the flu shot, is a simple procedure to protect against the flu. A healthcare provider injects a small dose of the vaccine into your arm. This stimulates your immune system to produce antibodies, which will help your body fight off the flu if exposed.

44 services44 patients

Influenza vaccine split virus, preservative free 90662

The Influenza Vaccine Split Virus, preservative-free, is a flu shot to protect against the influenza virus. It is made from parts of inactivated flu viruses and doesn't contain preservatives, reducing potential side effects. It helps your body develop immunity to the flu.

41 services41 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 06226 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient

$138.84 typical visit price

range $60.82 – $183.10

Typical copayment $34.71 (range $15.20 – $45.77)

Most-billed visit code 99204

Established Patient

$106.68 typical visit price

range $19.76 – $149.26

Typical copayment $26.67 (range $4.94 – $37.31)

Most-billed visit code 99214

Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

93.56/100

MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program

Scored through an Alternative Payment Model

Quality

78.51

Promoting Interoperability

100

Improvement Activities

Referred Medical Equipment & Supplies CMS DME claims 4

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Blood glucose test or reagent strips for home blood glucose monitor, per 50 strips A4253

DME-Other DME · category DE017N

3 suppliers12 claims35 services$6.48 avg. paid by Medicare

Nebulizer, with compressor E0570

DME-Other DME · category DE000N

2 suppliers11 claims11 services$7.76 avg. paid by Medicare

Albuterol, inhalation solution, fda-approved final product, non-compounded, administered through dme, unit dose, 1 mg J7613

DME-Drugs Administered Through DME · category DG006N

1 supplier11 claims2,862 services$0.03 avg. paid by Medicare

Pharmacy dispensing fee for inhalation drug(s); per 30 days Q0513

DME-Other DME · category DE000N

2 suppliers12 claims12 services$19.49 avg. paid by Medicare

Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

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Other Providers at the Same Location NPPES 7

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

DR. JUDITH CHINENYE UKABAM M.D.

Internal Medicine (Geriatric Medicine)