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JAMES A KNOL MD
NPI 1457451296
Surgery in Ann Arbor, MI

Active since September 22, 2006PECOS Enrolled
1500 EAST MEDICAL CENTER DR, 2ND FLOOR TAUBMAN CTR RECP F, ANN ARBOR, MI 48109(734) 936-5738 Get Directions Write a Review

NPPES record last updated: March 28, 2012. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About James A Knol Md NPPES

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

JAMES A KNOL MD (NPI 1457451296) is an individual surgery provider in Ann Arbor, Michigan, licensed in Michigan (4301040766) and active in the NPI registry since September 2006. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1457451296
Entity TypeIndividualMale
Primary Taxonomy208600000X
Provider Legal NameJAMES A KNOLCredential: MD
Location Address1500 EAST MEDICAL CENTER DR, 2ND FLOOR TAUBMAN CTR RECP FAnn Arbor, MI 48109-5332
Mailing Address3621 S State St, 700 Kms PlaceAnn Arbor, MI 48108 · (734) 936-2047
Phone(734) 936-5738
Sole ProprietorNo
Enumeration DateSeptember 22, 2006
Last NPPES UpdateMarch 28, 2012
✔ NPI 1457451296 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtySurgeryAllopathic & Osteopathic Physicians
Taxonomy Code208600000X
License✔ Licensed in MI · 4301040766
Definition
A general surgeon has expertise related to the diagnosis - preoperative, operative and postoperative management - and management of complications of surgical conditions in the following areas: alimentary tract; abdomen; breast, skin and soft tissue; endocrine system; head and neck surgery; pediatric surgery; surgical critical care; surgical oncology; trauma and burns; and vascular surgery. General surgeons increasingly provide care through the use of minimally invasive and endoscopic techniques. Many general surgeons also possess expertise in transplantation surgery, plastic surgery and cardiothoracic surgery.
1500 EAST MEDICAL CENTER DR, Ann Arbor, MI 48109
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Other Identifiers 3

Medicare ID-Type Unspecified0H16112037MI
Medicaid1354951MI
Medicare UPINB48648MI

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

James A Knol Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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 Reassignment

Medicare enrollment records show James Knol reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Regents Of The University Of Michigan
Same address
Nephrology
1500 E MEDICAL CENTER DR
Ann Arbor, MI 48109
  • Reassigned Medicare billing, Michigan enrollment
  • 2,377 clinicians in this Medicare group
NPI 1003848144 (734) 936-4000

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

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 48109 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
$90.76 typical visit price
range $58.04 – $177.36
Typical copayment $22.69 (range $14.51 – $44.34)
Most-billed visit code 99203
Established Patient
$72.38 typical visit price
range $18.32 – $143.49
Typical copayment $18.09 (range $4.58 – $35.87)
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.

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.

NABIL ALKHOURY FALLOUH MD
Internal Medicine
1500 EAST MEDICAL CENTER DR, 3RD FLOOR TAUBMAN CTR RECP B
ANN ARBOR, MI 48109
Washtenaw County (734) 936-5582
PAUL DEREK FERNANDES BM
Anesthesiology
1500 EAST MEDICAL CENTER DR, 1H247 UNIVERSITY HOSPITAL
ANN ARBOR, MI 48109
Washtenaw County (734) 936-4280
AUBREY LYNN BOUCHER PA-C
Physician Assistant
1500 EAST MEDICAL CENTER DR, 2ND FLOOR TAUBMAN CENTER RECP F
ANN ARBOR, MI 48109
Washtenaw County (734) 936-5738
DONALD LAWSON JR. NP
Nurse Practitioner
1500 EAST MEDICAL CENTER DR, 3RD FLOOR C.S. MOTT CHILDREN'S HOSPITAL RECP C
ANN ARBOR, MI 48109
Washtenaw County (734) 936-5780
MS. ALEXIS MAE PUNCHES NP
Nurse Practitioner (Critical Care Medicine)
1500 EAST MEDICAL CENTER DR, 12TH FLOOR C.S. MOTT CHILDRENS HOSPITAL RM 525
ANN ARBOR, MI 48109
Washtenaw County (734) 764-5302
PAULA K GLOBERSON CRNA
Nurse Anesthetist, Certified Registered
1500 EAST MEDICAL CENTER DR
ANN ARBOR, MI 48109
Washtenaw County (734) 936-4280
DR. CLINTON LEOPOLD GREENSTONE MD
Internal Medicine
1500 EAST MEDICAL CENTER DR, 3RD FLOOR TAUBMAN RECP B
ANN ARBOR, MI 48109
Washtenaw County (734) 936-5582
RAYMOND J HUTCHINSON MD
Pediatrics (Pediatric Hematology-Oncology)
1500 EAST MEDICAL CENTER DR, 7TH FLOOR C.S. MOTT CHILDREN'S HOSPITAL
ANN ARBOR, MI 48109
Washtenaw County (734) 936-9814

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 James Knol's NPI number?

The NPI number for James Knol is 1457451296. It was assigned to this individual provider in the NPPES registry on September 22, 2006.

Where is James Knol located?

James Knol practices at 1500 East Medical Center Dr 2nd Floor Taubman Ctr Recp F, Ann Arbor, MI 48109. The listed phone number is (734) 936-5738.

What is James Knol's specialty?

The primary specialty registered for this NPI is Surgery with taxonomy code 208600000X.

Is James Knol enrolled in Medicare?

Yes. James Knol is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for James Knol's services?

According to the CMS Revalidation Reassignment List (October 2026 release), James Knol reassigns Medicare benefits to Regents Of The University Of Michigan (Ann Arbor, MI). The 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 James Knol's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for James Knol was last updated on March 28, 2012. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 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.