Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

GRANT YANAGI MD
NPI 1851615405
Radiology - Diagnostic Radiology in Farmington, CT

Active since March 24, 2010PECOS EnrolledAccepts Medicare Assignment
399 FARMINGTON AVE, FARMINGTON, CT 06032(860) 289-3375(860) 290-4108 Get Directions Write a Review

NPPES record last updated: October 15, 2026. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Oct 15, 2026, Feb 9, 2016 (2 updates tracked since 2016).

About Grant Yanagi Md NPPES

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

GRANT YANAGI MD (NPI 1851615405) is an individual diagnostic radiology provider in Farmington, Connecticut, licensed in Connecticut (67522) and active in the NPI registry since March 2010. He is enrolled in Medicare PECOS, maintains a secondary practice location in Hartford, and is a graduate of Tufts University School Of Medicine (2004).

NPPES Registry Identity

NPI1851615405
Entity TypeIndividualMale
Primary Taxonomy2085R0202X
Provider Legal NameGRANT YANAGICredential: MD
Location Address399 FARMINGTON AVEFarmington, CT 06032-1936
Mailing Address1260 Silas Deane Hwy Ste 104Wethersfield, CT 06109-4363 · (860) 289-3375 · Fax (860) 290-4108
Fax(860) 290-4108
Sole ProprietorNo
Medical School CMSTufts University School Of MedicineGraduated 2004
Enumeration DateMarch 24, 2010
Last NPPES UpdateOctober 15, 20262 updates tracked since enumeration
NPPES CertifiedOctober 15, 2026
✔ NPI 1851615405 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyRadiology · Diagnostic RadiologyAllopathic & Osteopathic Physicians
Taxonomy Code2085R0202X
Licenses✔ Licensed in CT · 67522✔ Licensed in DC · MD037935✔ Licensed in MA · 288866✔ Licensed in NC · 2010-00785
Definition
A radiologist who utilizes x-ray, radionuclides, ultrasound and electromagnetic radiation to diagnose and treat disease.
Also ListedRadiology · Vascular & Interventional RadiologyTaxonomy 2085R0204X · License 67522 (CT)
399 FARMINGTON AVE, Farmington, CT 06032

Secondary Practice Location 1

Location 180 Seymour StHartford, CT 06102-8000 · Phone (860) 289-3375 · Fax (860) 290-4108

Accepted Insurance

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Grant Yanagi Md 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 ID7315078839
PECOS Enrollment IDI20210611000803, I20211028001278
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.

Medicare Billing Reassignments

8

Medicare enrollment records show Grant Yanagi reassigns Medicare billing to 8 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Diagnostic Radiology
399 FARMINGTON AVE STE 130
Farmington, CT 06032
  • Reassigned Medicare billing, Connecticut and Massachusetts enrollments
  • 172 clinicians in this Medicare group
Diagnostic Radiology
80 SEYMOUR ST
Hartford, CT 06102
  • Reassigned Medicare billing, Connecticut and Massachusetts enrollments
  • 161 clinicians in this Medicare group
Diagnostic Radiology
1260 SILAS DEANE HWY, SUITE 100
Wethersfield, CT 06109
  • Reassigned Medicare billing, Connecticut and Massachusetts enrollments
  • 167 clinicians in this Medicare group
Diagnostic Radiology
6 FIELDSTONE CMNS, SUITE E
Tolland, CT 06084
  • Reassigned Medicare billing, Connecticut enrollment
  • 169 clinicians in this Medicare group
Diagnostic Radiology
3640 MAIN ST, SUITE 101
Springfield, MA 01107
  • Reassigned Medicare billing, Massachusetts enrollment
  • Medicare enrollment name: Chelmsford Mri PC
  • Also billed through NPI 1386662112 (Massachusetts)
  • 99 clinicians in this Medicare group
General Acute Care Hospital
575 BEECH ST
Holyoke, MA 01040
  • Reassigned Medicare billing, Massachusetts enrollment
  • 241 clinicians in this Medicare group
Diagnostic Radiology
3186 VILLAGE DR STE 201
Fayetteville, NC 28304
  • Reassigned Medicare billing, North Carolina enrollment
  • 142 clinicians in this Medicare group
Rural Health
273 WHITE LAKE DR
Elizabethtown, NC 28337
  • Reassigned Medicare billing, North Carolina enrollment
  • 170 clinicians in this Medicare group

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Areas of Expertise CMS Part B claims 32

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.

Low osmolar contrast material, 300-399 mg/ml iodine concentration, per ml Q9967
Low osmolar contrast material with 300-399 mg/ml iodine concentration is a diagnostic tool used in imaging procedures. It helps to enhance the visibility of specific areas in the body, aiding in accurate diagnosis. It's safe and generally well-tolerated by patients.
2,048 services32 patients
Ct scan of blood vessels of chest with contrast 71275
A CT scan of the chest with contrast is a non-invasive imaging test. It uses X-rays and a special dye to get detailed images of your blood vessels in the chest. This helps in diagnosing conditions related to heart and lungs.
126 services125 patients
X-ray of chest, 1 view 71045
A chest X-ray, 1 view, is a quick, painless test that produces images of the structures within your chest, such as your heart, lungs, and blood vessels. It helps in diagnosing conditions like pneumonia, heart problems, or lung cancer. You'll stand in front of a machine that emits X-rays, which pass through your body to create the image.
118 services107 patients
Ct scan of blood vessels of abdomen and pelvis with contrast 74174
A CT scan of the abdomen and pelvis with contrast is a medical imaging procedure. A special dye, called contrast, is used to make blood vessels more visible. The scan produces detailed images of your abdomen and pelvis, helping doctors to diagnose conditions or plan treatments.
106 services105 patients
Ultrasound study of one arm or leg veins with compression and maneuvers 93971
This is a non-invasive procedure using sound waves to visualize veins in an arm or leg. It involves applying gentle pressure and performing certain movements. It helps identify any abnormal blood flow or clots, ensuring vascular health.
52 services52 patients
Use of a drug to induce depression of consciousness by physician performing a procedure (5 years or older), initial 15 minutes 99152
This procedure involves a doctor administering a medication to reduce your consciousness during a procedure. This helps in managing discomfort and anxiety. The initial application lasts for 15 minutes and is for individuals aged 5 years or older.
48 services47 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 06032 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
$93.86 typical visit price
range $60.82 – $183.10
Typical copayment $23.46 (range $15.20 – $45.77)
Most-billed visit code 99203
Established Patient
$75.55 typical visit price
range $19.76 – $149.26
Typical copayment $18.88 (range $4.94 – $37.31)
Most-billed visit code 99213
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.

Reported Quality Measures

Radiation Consideration for Adult CT: Utilization of Dose Lowering Techniques
Percentage of final reports for patients aged 18 years and older undergoing CT with documentation that one or more of the following dose reduction techniques were used: - Automated exposure control - Adjustment of the mA and/or kV according to patient size -…
100%749 patients
Radiology: Stenosis Measurement in Carotid Imaging Reports
Percentage of final reports for carotid imaging studies (neck magnetic resonance angiography [MRA], neck computed tomography angiography [CTA], neck duplex ultrasound, carotid angiogram) performed that include direct or indirect reference to measurements of…
100%91 patients
Providers report different measures because they deliver different services; reporting more or less information is not a reflection of quality. Star ratings appear only where CMS assigned them.

Other Providers at the Same Location NPPES 20

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

Physician Assistant (Surgical)
399 FARMINGTON AVE, SUITE 210
FARMINGTON, CT 06032
Radiologic Technologist (Magnetic Resonance Imaging)
399 FARMINGTON AVE, SUITE 110
FARMINGTON, CT 06032
Surgery (Plastic and Reconstructive Surgery)
399 FARMINGTON AVE, SUITE 210
FARMINGTON, CT 06032
Physical Therapist
399 FARMINGTON AVE
FARMINGTON, CT 06032
Durable Medical Equipment & Medical Supplies
399 FARMINGTON AVE, SUITE 200
FARMINGTON, CT 06032
Prosthetic/Orthotic Supplier
399 FARMINGTON AVE, SUITE LL1
FARMINGTON, CT 06032
Physical Therapist
399 FARMINGTON AVE
FARMINGTON, CT 06032
Surgery (Plastic and Reconstructive Surgery)
399 FARMINGTON AVE, SUITE 210
FARMINGTON, CT 06032

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Grant Yanagi's NPI number?

The NPI number for Grant Yanagi is 1851615405. It was assigned to this individual provider in the NPPES registry on March 24, 2010.

Where is Grant Yanagi located?

Grant Yanagi practices at 399 Farmington Ave, Farmington, CT 06032. The listed phone number is (860) 289-3375.

What is Grant Yanagi's specialty?

The primary specialty registered for this NPI is Radiology, specializing in Diagnostic Radiology, with taxonomy code 2085R0202X.

Is Grant Yanagi enrolled in Medicare?

Yes. Grant Yanagi is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Which organizations bill Medicare for Grant Yanagi's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Grant Yanagi reassigns Medicare benefits to 8 organizations: Farmington Imaging Center, LLC (Farmington, CT), Jefferson Radiology, PC (Hartford, CT), Connecticut Imaging Partners, LLC (Wethersfield, CT), Tic, LLC (Tolland, CT), Chelmsford Mri, P.C. (Springfield, MA) and 3 more organizations, listed in the Medicare section above. Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Grant Yanagi's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Grant Yanagi accept?

Health plans from Cigna Healthcare list Grant Yanagi as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Grant Yanagi was last updated on October 15, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 days 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.