1. Home
  2. Directory
  3. North Carolina
  4. Chapel Hill
  5. Internal Medicine
  6. NPI Profile

DR. WILLIAM CARL MOSTERTZ III MD
NPI 1679928022
Internal Medicine - Advanced Heart Failure and Transplant Cardiology in Chapel Hill, NC

Active since May 03, 2016PECOS EnrolledAccepts Medicare Assignment
160 DENTAL CIR, CHAPEL HILL, NC 27599(919) 966-5205 Get Directions Write a Review

NPPES record last updated: August 31, 2023. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Aug 31, 2023, May 7, 2022, Jun 20, 2019 (3 updates tracked since 2019).

About Dr. William Carl Mostertz Iii Md NPPES

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

DR. WILLIAM CARL MOSTERTZ III MD (NPI 1679928022) is an individual advanced heart failure and transplant cardiology provider in Chapel Hill, North Carolina, licensed in North Carolina (2022-01919) and active in the NPI registry since May 2016. He is enrolled in Medicare PECOS, is affiliated with Cape Fear Valley Medical Center, and maintains a secondary practice location in Charleston.

NPPES Registry Identity

NPI1679928022
Entity TypeIndividualMale
Primary Taxonomy207RA0001X
Provider Legal NameDR. WILLIAM CARL MOSTERTZ IIICredential: MD
Location Address160 DENTAL CIRChapel Hill, NC 27599-0001
Mailing Address30 Courtenay DriveCharleston, SC 29425-0001
Phone(919) 966-5205
Sole ProprietorNo
Medical School CMSMedical University Of South Carolina College Of MedicineGraduated 2016
Enumeration DateMay 3, 2016
Last NPPES UpdateAugust 31, 20233 updates tracked since enumeration
NPPES CertifiedAugust 31, 2023
✔ NPI 1679928022 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal Medicine · Advanced Heart Failure and Transplant CardiologyAllopathic & Osteopathic Physicians
Taxonomy Code207RA0001X
License✔ Licensed in NC · 2022-01919
Definition
Specialists in Advanced Heart Failure and Transplant Cardiology would participate in the inpatient and outpatient management of patients with advanced heart failure across the spectrum from consideration for high-risk cardiac surgery, cardiac transplantation, or mechanical circulatory support, to pre-and post-operative evaluation and management of patients with cardiac transplants and mechanical support devices, and end-of-life care for patients with end-stage heart failure.
Also ListedStudent in an Organized Health Care Education/Training ProgramTaxonomy 390200000X
160 DENTAL CIR, Chapel Hill, NC 27599
Open in Google Maps ↗

Secondary Practice Location 1

Location 130 Courtenay DriveCharleston, SC 29425-0001 · Phone (843) 876-4794

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Blue Cross and Blue Shield of NC.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. William Carl Mostertz Iii 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 ID1153615224
PECOS Enrollment IDI20230825000612
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.

Areas of Expertise CMS Part B claims 9

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.

Critical care, first 30-74 minutes 99291
Critical care involves immediate and constant attention by a team of specially-trained health professionals. It's for patients with life-threatening conditions, requiring first 30-74 minutes of intense monitoring and treatment.
162 services45 patients
Evaluation of lower heart chamber assist device 93750
An evaluation of a lower heart chamber assist device is a procedure to check the function of an implanted device aiding your heart's lower chambers. This helps ensure optimal heart function by monitoring the device's performance and your heart's response to it.
128 services27 patients
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 99233
Follow-up hospital inpatient care per day typically involves a 35-minute check-up by your healthcare provider. This service includes monitoring your health progress, adjusting your treatment plan if needed, and answering any questions you may have about your condition or care.
98 services19 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.
71 services49 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.
52 services21 patients
Hospital discharge day management, more than 30 minutes 99239
Hospital discharge day management over 30 minutes involves a detailed process to ensure a smooth transition from hospital to home. It includes final examinations, discussion of your hospital stay, post-discharge instructions, and coordinating follow-up care.
18 services17 patients

Hospital Affiliations CMS Care Compare 5

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

Cape Fear Valley Medical Center

Acute Care Hospitals · Fayetteville, NC
1/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number340028
Location1638 Owen Drive P O Box 2000Fayetteville, NC 28302 · Cumberland County
Emergency services Birthing friendly

Southeastern Regional Medical Center

Acute Care Hospitals · Lumberton, NC
1/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number340050
Location300 W 27 St PO Box 1408Lumberton, NC 28359 · Robeson County
Emergency services Birthing friendly

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

Unc Health Nash

Acute Care Hospitals · Rocky Mount, NC
4/5 CMS rating
OwnershipGovernment - Hospital District or Authority
CMS Certification Number340147
Location2460 Curtis Ellis DriveRocky Mount, NC 27804 · Nash County
Emergency services Birthing friendly

Cape Fear Valley-Bladen County Hospital

Critical Access Hospitals · Elizabethtown, NC
OwnershipVoluntary non-profit - Private
CMS Certification Number341315
Location501 South Poplar StreetElizabethtown, NC 28337 · Bladen County
Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 27599 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
$125.01 typical visit price
range $54.12 – $165.09
Typical copayment $31.25 (range $13.53 – $41.27)
Most-billed visit code 99204
Established Patient
$95.94 typical visit price
range $17.21 – $134.61
Typical copayment $23.98 (range $4.30 – $33.65)
Most-billed visit code 99214
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 13

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

MRS. THANH JENNIFER WALKER ANP-BC
Nurse Practitioner (Adult Health)
160 DENTAL CIR, CB 7075
CHAPEL HILL, NC 27599
Orange County (919) 966-4743
UNC SCHOOL OF MEDICINE AND HEALTH CARE SYSTEM
General Acute Care Hospital
160 DENTAL CIR, ROOM 4032 BURNETT-WOMACK BLDG., CB#7050
CHAPEL HILL, NC 27599
Orange County (919) 966-4653
DR. KELLY HERREMANS M.D.
Student in an Organized Health Care Education/Training Program
160 DENTAL CIR
CHAPEL HILL, NC 27599
Orange County (919) 966-4320
RAJIV CHANDUBHAI PATEL MD, MPH
Internal Medicine (Cardiovascular Disease)
160 DENTAL CIR
CHAPEL HILL, NC 27599
Orange County (919) 966-5201
JEFFREY TRISKA MD
Internal Medicine
160 DENTAL CIR
CHAPEL HILL, NC 27599
Orange County (919) 974-4743
DR. MICHAEL P CINELLI DO
Internal Medicine (Interventional Cardiology)
160 DENTAL CIR
CHAPEL HILL, NC 27599
Orange County (984) 974-1000
DR. ELIZABETH MICHELLE VOLZ MD
Internal Medicine (Advanced Heart Failure and Transplant Cardiology)
160 DENTAL CIR
CHAPEL HILL, NC 27599
Orange County (919) 843-6477
ESHA KADAKIA
Student in an Organized Health Care Education/Training Program
160 DENTAL CIR
CHAPEL HILL, NC 27599
Orange County (919) 966-4320

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 William Mostertz's NPI number?

The NPI number for William Mostertz is 1679928022. It was assigned to this individual provider in the NPPES registry on May 3, 2016.

Where is William Mostertz located?

William Mostertz practices at 160 Dental Cir, Chapel Hill, NC 27599. The listed phone number is (919) 966-5205.

What is William Mostertz's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Advanced Heart Failure and Transplant Cardiology, with taxonomy code 207RA0001X.

Is William Mostertz enrolled in Medicare?

Yes. William Mostertz 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.

What insurance does William Mostertz accept?

Health plans from Blue Cross and Blue Shield of NC list William Mostertz 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 William Mostertz affiliated with any hospitals?

According to CMS data, William Mostertz is affiliated with Cape Fear Valley Medical Center, Southeastern Regional Medical Center, Unc Hospitals, Unc Health Nash and Cape Fear Valley-Bladen County Hospital.

When was this NPI record last updated?

The NPPES record for William Mostertz was last updated on August 31, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.