DR. MARK T NOLDEN M.D.
NPI 1164495529
Orthopaedic Surgery - Orthopaedic Surgery of the Spine in Chicago, IL

Q: What is Mark Nolden's NPI number?

The NPI number for Mark Nolden is 1164495529. It was assigned to this individual provider in the NPPES registry on February 8, 2006.

Q: What is Mark Nolden's specialty?

The primary specialty registered for this NPI is Orthopaedic Surgery, specializing in Orthopaedic Surgery of the Spine, with taxonomy code 207XS0117X.

Q: When was this NPI record last updated?

The NPPES record for Mark Nolden was last updated on February 16, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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 February 08, 2006PECOS EnrolledAccepts Medicare Assignment

93.08/100

CMS Quality Rating

680 N LAKE SHORE DR, STE 924, CHICAGO, IL 60611(312) 664-6848 Get Directions Write a Review

NPPES record last updated: February 16, 2021. Verified against the NPPES registry weekly; last sync: October 18, 2026.

On this page

About Dr. Mark T Nolden M.d. NPPES

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

DR. MARK T NOLDEN M.D. (NPI 1164495529) is an individual orthopaedic surgery of the spine provider in Chicago, Illinois, licensed in Illinois (036106547) and active in the NPI registry since February 2006. He is enrolled in Medicare PECOS, is affiliated with Northshore University Healthsystem - Evanston Hospital, and is a graduate of University Of Wisconsin School Of Medicine (1996).

NPPES Registry Identity

NPI1164495529

Entity TypeIndividualMale

Primary Taxonomy207XS0117X

Provider Legal NameDR. MARK T NOLDENCredential: M.D.

Location Address680 N LAKE SHORE DR, STE 924Chicago, IL 60611-4546

Mailing Address680 N Lake Shore Dr, Ste 924Chicago, IL 60611-4546 · (312) 664-6848

Phone(312) 664-6848

Sole ProprietorNo

Medical School CMSUniversity Of Wisconsin School Of MedicineGraduated 1996

Enumeration DateFebruary 8, 2006

Last NPPES UpdateFebruary 16, 2021

NPPES CertifiedFebruary 16, 2021

✔ NPI 1164495529 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyOrthopaedic Surgery · Orthopaedic Surgery of the SpineAllopathic & Osteopathic Physicians

Taxonomy Code207XS0117X

License✔ Licensed in IL · 036106547

Definition

Recognized by several state medical boards as a fellowship subspecialty program of orthopaedic surgery, orthopaedic surgeons of the spine deal with the evaluation and nonoperative and operative treatment of the full spectrum of primary spinal disorders including trauma, degenerative, deformity, tumor, and reconstructive.

680 N LAKE SHORE DR, Chicago, IL 60611

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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter Health, Ambetter Health of Delaware, Oscar Health.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

Dr. Mark T Nolden 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 ID6608950340

PECOS Enrollment IDI20080220000199

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 Mark Nolden reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Endeavor Health Medical Group

12 mi

Allergy & Immunology

1000 CENTRAL ST
Evanston, IL 60201

Reassigned Medicare billing, Illinois enrollment
4,841 clinicians in this Medicare group

NPI 1497701882 (847) 570-5235

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 17

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.

154 services129 patients

Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more 99215

This service involves a follow-up appointment for existing patients, lasting between 40 to 54 minutes. During this time, your healthcare provider will assess your current health status, discuss any changes or concerns, review your treatment plan, and answer any questions you may have.

105 services93 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.

65 services61 patients

New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more 99204

This is a first-time office or outpatient visit lasting between 45-59 minutes. The healthcare provider evaluates your health, discusses your medical history, and may suggest further tests or treatments. It's an opportunity to ask questions and understand your health better.

57 services57 patients

Insertion of cage or mesh device to spine bone and disc space during spine fusion 22853

Spine fusion is a procedure to join two or more vertebrae. During this process, a cage or mesh device is inserted into the spine bone and disc space. This helps to stabilize the spine, reduce pain, and improve functionality. The device acts as a bridge for new bone to grow on.

55 services43 patients

New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more 99205

This is a first-time patient visit where a healthcare professional spends 60-74 minutes with you. It involves a comprehensive evaluation, including your medical history and current health condition. They'll also advise on preventive health measures and formulate a treatment plan if needed.

48 services48 patients

Partial removal of bone of single segment of spine in lower back with release of spinal cord and/or nerves during fusion of spine in lower back 63052

This procedure involves the partial removal of a bone segment in your lower back to relieve pressure on your spinal cord or nerves. It's usually done during a spinal fusion in the lower back, which helps to stabilize your spine by joining two or more vertebrae together.

43 services42 patients

Fusion of spine in lower back with partial removal of spine bone and disc 22633

This procedure, called lumbar spinal fusion, involves joining two or more vertebrae in your lower back. It includes a partial removal of a spine bone and disc to alleviate pain and improve stability. The goal is to reduce motion between vertebrae and prevent nerve irritation.

42 services41 patients

Placement of stabilizing device to back of 1 spine bone in neck 22840

This procedure involves positioning a stabilizing device onto a single spinal bone in the neck. The goal is to provide support and prevent movement that could cause discomfort or further injury. It's performed by trained specialists under anesthesia.

25 services25 patients

Partial removal of spine bone with release of lower spinal cord and/or nerves, 1 segment 63047

This procedure involves removing part of a spine bone to alleviate pressure on the lower spinal cord and/or nerves. It targets a single segment of the spine, improving mobility and reducing pain. It's a common treatment for conditions like herniated discs or spinal stenosis.

20 services20 patients

Partial removal of bone of additional segment of spine in lower back with release of spinal cord and/or nerves during fusion of spine in lower back 63053

This procedure involves partially removing a bone section in the lower back to relieve pressure on the spinal cord or nerves. It's performed during a spinal fusion, where bones in the lower back are joined to improve stability and reduce pain.

17 services15 patients

Placement of stabilizing device to back, 3-6 spine bone segments 22842

This procedure involves placing a device on your back to stabilize 3-6 spine bone segments. It aids in maintaining spine alignment and reducing pain. The device is secured to the bones, providing support and promoting healing.

16 services15 patients

New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more 99203

This service involves an initial office or outpatient visit for a new patient. The healthcare professional will spend 30-44 minutes understanding your health history, current issues, and discussing possible treatment plans. It's a comprehensive evaluation to start your healthcare journey.

13 services13 patients

Graft of donor bone to spine 20931

A graft of donor bone to the spine is a procedure where a piece of bone from a donor is attached to your spine to help it heal or improve its structure. This is often done to strengthen the spine or aid in recovery from injury or disease.

12 services12 patients

Fusion of upper spine bone with removal of disc and release of spinal cord or nerve, 1 disc 22551

This procedure involves fusing together the bones in the upper spine to stabilize it. A disc is removed to ease pressure on the spinal cord or nerve. This helps reduce pain and improve mobility. This is a common treatment for certain spinal conditions.

12 services12 patients

Placement of stabilizing device to front, 2-3 spine bone segments 22845

This procedure involves positioning a stabilizing device on the front of 2-3 segments of your spine. It's designed to provide support and stability to your spine, potentially alleviating discomfort and improving mobility.

11 services11 patients

Partial removal of spine bone with release of spinal cord and/or nerves, each additional segment 63048

This procedure involves the partial removal of a bone in your spine to alleviate pressure on your spinal cord or nerves. It may be performed on multiple spine segments depending on your condition. The aim is to improve mobility and reduce pain or discomfort.

11 services11 patients

Hospital Affiliations CMS Care Compare 2

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

Northshore University Healthsystem - Evanston Hospital

Acute Care Hospitals · Evanston, IL

5/5 CMS rating

OwnershipVoluntary non-profit - Other

CMS Certification Number140010

Location2650 Ridge AveEvanston, IL 60201 · Cook County

Emergency services Birthing friendly

Swedish Hospital

Acute Care Hospitals · Chicago, IL

2/5 CMS rating

OwnershipVoluntary non-profit - Church

CMS Certification Number140114

Location5145 N California AveChicago, IL 60625 · Cook County

Emergency services Birthing friendly

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.

93.08/100

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

Scored through an Alternative Payment Model

Quality

80.79

Promoting Interoperability

100

Improvement Activities

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.

MRS. BONNIE DEVROE MALIK CRNA

Nurse Anesthetist, Certified Registered

680 N LAKE SHORE DR, SUITE 1000
CHICAGO, IL 60611

Cook County (312) 695-9797

IMG MD, LLC

Medical Genetics, Ph.D. Medical Genetics

680 N LAKE SHORE DR
CHICAGO, IL 60611

Cook County (312) 981-4400

DR. JAY MICHAEL PENSLER M.D.

Specialist

680 N LAKE SHORE DR, SUITE 1125
CHICAGO, IL 60611

Cook County (312) 642-7777

JAY PRYSTOWSKY MD

Surgery

680 N LAKE SHORE DR, SUITE 1000
CHICAGO, IL 60611

Cook County (312) 695-9797

ANURADHA PERNI MD

Anesthesiology (Pain Medicine)

680 N LAKE SHORE DR, SUITE 1000
CHICAGO, IL 60611

Cook County (312) 695-9797

GYNECOLOGIC SPECIALISTS OF NORTHWESTERN, S.C.

Obstetrics & Gynecology (Gynecology)

680 N LAKE SHORE DR, SUITE117
CHICAGO, IL 60611

Cook County (312) 654-1166

DR. LEANNE TRAPP BENSKO M.D.

Pediatrics

680 N LAKE SHORE DR, 1050
CHICAGO, IL 60611

Cook County (312) 642-5515

DR. JULIA GOLDIN DNP

Nurse Practitioner (Family)

680 N LAKE SHORE DR
CHICAGO, IL 60611

Cook County (312) 965-6868

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 Mark Nolden's NPI number?

The NPI number for Mark Nolden is 1164495529. It was assigned to this individual provider in the NPPES registry on February 8, 2006.

Where is Mark Nolden located?

Mark Nolden practices at 680 N Lake Shore Dr Ste 924, Chicago, IL 60611. The listed phone number is (312) 664-6848.

What is Mark Nolden's specialty?

The primary specialty registered for this NPI is Orthopaedic Surgery, specializing in Orthopaedic Surgery of the Spine, with taxonomy code 207XS0117X.

Is Mark Nolden enrolled in Medicare?

Yes. Mark Nolden 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 organization bills Medicare for Mark Nolden's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Mark Nolden reassigns Medicare benefits to Endeavor Health Medical Group (Evanston, IL). 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 Mark Nolden's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Mark Nolden accept?

Health plans from Ambetter Health, Ambetter Health of Delaware and Oscar Health list Mark Nolden 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 Mark Nolden affiliated with any hospitals?

According to CMS data, Mark Nolden is affiliated with Northshore University Healthsystem - Evanston Hospital and Swedish Hospital.

When was this NPI record last updated?

The NPPES record for Mark Nolden was last updated on February 16, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.