PETER M NEFCY M.D., PHD
NPI 1164414165
Radiology - Nuclear Radiology in Warren, MI

Active since August 17, 2005PECOS EnrolledAccepts Medicare Assignment
11012 E 13 MILE RD, SUITE 111, WARREN, MI 48093(586) 558-8470(586) 558-8481 Get Directions Write a Review

NPPES record last updated: April 18, 2013. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Peter M Nefcy M.d., Phd NPPES

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

PETER M NEFCY M.D., PHD (NPI 1164414165) is an individual nuclear radiology provider in Warren, Michigan, licensed in Michigan (4301046061) and active in the NPI registry since August 2005. He is enrolled in Medicare PECOS, is affiliated with Knox Community Hospital, and is a graduate of Other (1982).

NPPES Registry Identity

NPI1164414165
Entity TypeIndividualMale
Primary Taxonomy2085N0904X
Provider Legal NamePETER M NEFCYCredential: M.D., PHD
Location Address11012 E 13 MILE RD, SUITE 111Warren, MI 48093-2572
Mailing Address29900 Lorraine Ave, Suite 400Warren, MI 48093-5266 · (586) 582-0864 · Fax (586) 582-0964
Fax(586) 558-8481
Sole ProprietorNo
Medical School CMSOtherGraduated 1982
Enumeration DateAugust 17, 2005
Last NPPES UpdateApril 18, 2013
✔ NPI 1164414165 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyRadiology · Nuclear RadiologyAllopathic & Osteopathic Physicians
Taxonomy Code2085N0904X
License✔ Licensed in MI · 4301046061
Definition
A radiologist who is involved in the analysis and imaging of radionuclides and radiolabeled substances in vitro and in vivo for diagnosis and the administration of radionuclides and radiolabeled substances for the treatment of disease.
11012 E 13 MILE RD, Warren, MI 48093

Other Identifiers 8

Medicaid4484388MI
Other700F340300MI · Bcbs
Other700E021830MI · Bcbs
Other700E021910MI · Bcbs
Medicare OSCAR/certification0E06376014MI
Medicare UPINE03780
Medicare PIN0P30420MI
Medicaid4390361MI

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

Peter M Nefcy M.d., Phd 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 ID5597753442
PECOS Enrollment IDI20040501000027, I20260504008119
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

7

Medicare enrollment records show Peter Nefcy reassigns Medicare billing to 7 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Neurology
19699 E EIGHT MILE RD
St Clair Shores, MI 48080
  • Reassigned Medicare billing, Michigan enrollment
  • 30 clinicians in this Medicare group
Diagnostic Radiology
30701 WOODWARD AVE
Royal Oak, MI 48073
  • Reassigned Medicare billing, Michigan enrollment
  • 73 clinicians in this Medicare group
Internal Medicine
29201 TELEGRAPH RD STE 404N
Southfield, MI 48034
  • Reassigned Medicare billing, Michigan enrollment
  • 407 clinicians in this Medicare group
Diagnostic Radiology
3535 OLENTANGY RIVER RD
Columbus, OH 43214
  • Reassigned Medicare billing, Michigan enrollment
  • 11 clinicians in this Medicare group
Diagnostic Radiology
3525 OLENTANGY RIVER RD, STE 5360
Columbus, OH 43214
  • Reassigned Medicare billing, Michigan enrollment
  • 17 clinicians in this Medicare group
Internal Medicine
114 WOODLAND ST, SAINT FRANCIS MEDICAL GROUP INC.
Hartford, CT 06105
  • Reassigned Medicare billing, Connecticut enrollment
  • 1,186 clinicians in this Medicare group
Diagnostic Radiology
3805 E BELL RD, STE 5500
Phoenix, AZ 85032
  • Reassigned Medicare billing, Michigan enrollment
  • 84 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 30

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.

Injection, gadoterate meglumine, 0.1 ml A9575
Gadoterate meglumine is a contrast agent used in MRI scans to help visualize certain areas of your body more clearly. It's injected into your bloodstream, typically through a vein in your arm, and helps doctors get more detailed images.
11,220 services68 patients
X-ray of chest, 2 views 71046
A chest X-ray, 2 views, is a quick, painless test that creates pictures of the structures inside your chest, such as your heart, lungs, and blood vessels. Two different angles are used to get a comprehensive view. This helps in diagnosing conditions like pneumonia, heart problems, or lung cancer.
1,212 services1,170 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.
612 services595 patients
Ct scan head or brain without contrast 70450
A CT scan of the head or brain without contrast is a non-invasive imaging procedure. It uses X-rays to create detailed pictures of your brain, skull, and other structures inside your head. It helps to detect conditions like strokes, tumors, or injuries. No dye (contrast) is used in this test.
102 services101 patients
Mri scan of brain without contrast 70551
An MRI scan of the brain without contrast is a non-invasive imaging test. It uses a magnetic field and radio waves to create detailed images of your brain. It helps in detecting abnormalities like tumors, stroke, inflammation, or infection.
89 services89 patients
X-ray of wrist, minimum of 3 views 73110
An X-ray of the wrist, minimum of 3 views, is a diagnostic procedure that uses radiation to create images of your wrist from different angles. This helps detect fractures, infections, or other abnormalities for accurate diagnosis and treatment planning.
89 services81 patients

Hospital Affiliations CMS Care Compare 4

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Knox Community Hospital

Acute Care Hospitals · Mount Vernon, OH
3/5 CMS rating
OwnershipVoluntary non-profit - Other
CMS Certification Number360040
Location1330 Coshocton RoadMount Vernon, OH 43050 · Knox County
Emergency services Birthing friendly

Blanchard Valley Hospital

Acute Care Hospitals · Findlay, OH
4/5 CMS rating
OwnershipVoluntary non-profit - Other
CMS Certification Number360095
Location1900 South Main StreetFindlay, OH 45840 · Hancock County
Birthing friendly

Marietta Memorial Hospital

Acute Care Hospitals · Marietta, OH
4/5 CMS rating
OwnershipVoluntary non-profit - Other
CMS Certification Number360147
Location401 Matthew StreetMarietta, OH 45750 · Washington County
Emergency services Birthing friendly

Avita Ontario

Acute Care Hospitals · Ontario, OH
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number360365
Location715 Richland MallOntario, OH 44906 · Richland County
Emergency services Birthing friendly

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.

Occupational Therapist
11012 E 13 MILE RD
WARREN, MI 48093
Physical Therapist
11012 E 13 MILE RD, STE 200
WARREN, MI 48093
Orthopaedic Surgery (Sports Medicine)
11012 E 13 MILE RD, SUITE 201
WARREN, MI 48093
Orthotist
11012 E 13 MILE RD, STE 210
WARREN, MI 48093
Occupational Therapist
11012 E 13 MILE RD
WARREN, MI 48093
Psychiatry & Neurology (Neurology)
11012 E 13 MILE RD, SUITE 112
WARREN, MI 48093
Surgery
11012 E 13 MILE RD, SUITE 112
WARREN, MI 48093
Obstetrics & Gynecology
11012 E 13 MILE RD, SUITE 212
WARREN, MI 48093

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 Peter Nefcy's NPI number?

The NPI number for Peter Nefcy is 1164414165. It was assigned to this individual provider in the NPPES registry on August 17, 2005.

Where is Peter Nefcy located?

Peter Nefcy practices at 11012 E 13 Mile Rd Suite 111, Warren, MI 48093. The listed phone number is (586) 558-8470.

What is Peter Nefcy's specialty?

The primary specialty registered for this NPI is Radiology, specializing in Nuclear Radiology, with taxonomy code 2085N0904X.

Is Peter Nefcy enrolled in Medicare?

Yes. Peter Nefcy 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 Peter Nefcy's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Peter Nefcy reassigns Medicare benefits to 7 organizations: Michigan Neurology Associates PC (St Clair Shores, MI), Basha Diagnostics P C (Royal Oak, MI), Vhs Physicians Of Michigan (Southfield, MI), Lucidsolutions, Inc. (Columbus, OH), Riverside Radiology And Interventional Associates Inc (Columbus, OH) and 2 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 Peter Nefcy's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Peter Nefcy accept?

Health plans from Ambetter Health, Ambetter from Buckeye Health Plan, Ambetter from Meridian, Blue Care Network of Michigan and Blue Cross Blue Shield of Michigan Mutual Insurance Company and 1 other insurer list Peter Nefcy 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.

Is Peter Nefcy affiliated with any hospitals?

According to CMS data, Peter Nefcy is affiliated with Knox Community Hospital, Blanchard Valley Hospital, Marietta Memorial Hospital and Avita Ontario.

When was this NPI record last updated?

The NPPES record for Peter Nefcy was last updated on April 18, 2013. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 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.