ROBERT ISAAK DO
NPI 1104020692
Anesthesiology in Chapel Hill, NC

Active since June 11, 2007PECOS EnrolledAccepts Medicare Assignment
DEPARTMENT OF ANESTHESIOLOGY N2198 UNC, CB# 7010, CHAPEL HILL, NC 27599(919) 966-5136(984) 974-4873 Get Directions Write a Review

NPPES record last updated: October 6, 2016. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Robert Isaak Do NPPES

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

ROBERT ISAAK DO (NPI 1104020692) is an individual anesthesiology provider in Chapel Hill, North Carolina, licensed in North Carolina (2011-00659) and active in the NPI registry since June 2007. He is enrolled in Medicare PECOS, is affiliated with Unc Hospitals, and is a graduate of Other (2007).

NPPES Registry Identity

NPI1104020692
Entity TypeIndividualMale
Primary Taxonomy207L00000X
Provider Legal NameROBERT ISAAKCredential: DO
Location AddressDEPARTMENT OF ANESTHESIOLOGY N2198 UNC, CB# 7010Chapel Hill, NC 27599-7010
Mailing AddressPo Box 271647, Unc FpSalt Lake City, UT 84127-1647 · (919) 966-8596 · Fax (919) 843-5515
Fax(984) 974-4873
Sole ProprietorNo
Medical School CMSOtherGraduated 2007
Enumeration DateJune 11, 2007
Last NPPES UpdateOctober 6, 2016
✔ NPI 1104020692 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyAnesthesiologyAllopathic & Osteopathic Physicians
Taxonomy Code207L00000X
License✔ Licensed in NC · 2011-00659
Definition
An anesthesiologist is trained to provide pain relief and maintenance, or restoration, of a stable condition during and immediately following an operation or an obstetric or diagnostic procedure. The anesthesiologist assesses the risk of the patient undergoing surgery and optimizes the patient's condition prior to, during and after surgery. In addition to these management responsibilities, the anesthesiologist provides medical management and consultation in pain management and critical care medicine. Anesthesiologists diagnose and treat acute, long-standing and cancer pain problems; diagnose and treat patients with critical illnesses or severe injuries; direct resuscitation in the care of patients with cardiac or respiratory emergencies, including the need for artificial ventilation; and supervise post-anesthesia recovery.
DEPARTMENT OF ANESTHESIOLOGY N2198 UNC, Chapel Hill, NC 27599

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

Robert Isaak Do 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 ID8628247244
PECOS Enrollment IDI20110816000102
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

2

Medicare enrollment records show Robert Isaak reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Anesthesiology
101 MANNING DR
Chapel Hill, NC 27514
  • Reassigned Medicare billing, North Carolina enrollment
  • 2,797 clinicians in this Medicare group
Critical Access
475 PROGRESS BLVD
Siler City, NC 27344
  • Reassigned Medicare billing, North Carolina enrollment
  • 234 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 3

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.

Insertion of artery tube for blood sampling or infusion through skin 36620
This procedure involves placing a small tube into an artery, usually in the wrist or elbow, to collect blood samples or administer medication. It's done under local anesthesia and is a common, safe practice.
31 services31 patients
Anesthesia for lens surgery 00142
Anesthesia for lens surgery involves administering medication to numb the eye area, ensuring you feel no pain during the procedure. This can be a local anesthetic (numbing only the eye area) or general (where you're asleep). It helps make the surgery comfortable and stress-free.
18 services18 patients
Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope 00731
This procedure involves the use of an endoscope, a flexible tube with a light and camera, to examine your esophagus, stomach, or upper small bowel. Anesthesia ensures you are comfortable and pain-free during the procedure.
14 services14 patients

Hospital Affiliations CMS Care Compare

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

Unc Hospitals

Acute Care Hospitals · Chapel Hill, NC
5/5 CMS rating
OwnershipGovernment - State
CMS Certification Number340061
Location101 Manning DriveChapel Hill, NC 27514 · Orange County
Emergency services Birthing friendly

Other Providers at the Same Location NPPES 11

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

Nurse Anesthetist, Certified Registered
DEPARTMENT OF ANESTHESIOLOGY N2198 UNC, CB# 7010
CHAPEL HILL, NC 27599
Student in an Organized Health Care Education/Training Program
DEPARTMENT OF ANESTHESIOLOGY N2198 UNC, CB# 7010
CHAPEL HILL, NC 27599
Student in an Organized Health Care Education/Training Program
DEPARTMENT OF ANESTHESIOLOGY N2198 UNC, CB# 7010
CHAPEL HILL, NC 27599
Student in an Organized Health Care Education/Training Program
DEPARTMENT OF ANESTHESIOLOGY N2198 UNC, CB# 7010
CHAPEL HILL, NC 27599
Student in an Organized Health Care Education/Training Program
DEPARTMENT OF ANESTHESIOLOGY N2198 UNC, CB# 7010
CHAPEL HILL, NC 27599
Nurse Anesthetist, Certified Registered
DEPARTMENT OF ANESTHESIOLOGY N2198 UNC, CB# 7010
CHAPEL HILL, NC 27599
Student in an Organized Health Care Education/Training Program
DEPARTMENT OF ANESTHESIOLOGY N2198 UNC, CB# 7010
CHAPEL HILL, NC 27599
Anesthesiology
DEPARTMENT OF ANESTHESIOLOGY N2198 UNC, CB# 7010
CHAPEL HILL, NC 27599

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 Robert Isaak's NPI number?

The NPI number for Robert Isaak is 1104020692. It was assigned to this individual provider in the NPPES registry on June 11, 2007.

Where is Robert Isaak located?

Robert Isaak practices at Department Of Anesthesiology N2198 Unc Cb# 7010, Chapel Hill, NC 27599. The listed phone number is (919) 966-5136.

What is Robert Isaak's specialty?

The primary specialty registered for this NPI is Anesthesiology with taxonomy code 207L00000X.

Is Robert Isaak enrolled in Medicare?

Yes. Robert Isaak 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 Robert Isaak's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Robert Isaak reassigns Medicare benefits to 2 organizations: University Of North Carolina At Chapel Hill (Chapel Hill, NC) and Chatham Hospital, Inc. (Siler City, NC). 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 Robert Isaak's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Robert Isaak accept?

Health plans from Blue Cross and Blue Shield of NC list Robert Isaak 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 Robert Isaak affiliated with any hospitals?

According to CMS data, Robert Isaak is affiliated with Unc Hospitals.

When was this NPI record last updated?

The NPPES record for Robert Isaak was last updated on October 6, 2016. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 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.