William Carl Mostertz, MD
Advanced Heart Failure and Transplant Cardiology Physician · Chapel Hill, NC
William Carl Mostertz, MD is an advanced heart failure and transplant cardiology physician with a practice address in Chapel Hill, North Carolina, and NPI 1679928022, issued on May 3, 2016. Check the license (North Carolina 2022-01919, as entered in NPPES) on the North Carolina Medical Board; the Medicare figures below come from public CMS files.
- Name
- William Carl Mostertz
- Credential
- MD
- Primary taxonomy
- Advanced Heart Failure and Transplant Cardiology Physician 207RA0001X
- License number
- 2022-01919 NC
Self-reported in NPPES; status is on the state search - Practice location
- 160 Dental Cir, Chapel Hill, NC 27599
- Phone
- (919) 966-5205
- Enumerated
- May 3, 2016
- Record last updated
- Aug 31, 2023
- Medicare enrollment
- Enrolled (PECOS I20230825000612); accepts Medicare assignment
- Medical or professional school
- Medical University Of South Carolina College Of Medicine, 2016
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest advanced heart failure and transplant cardiology physician records → All 34 in North Carolina → Look up another NPI →
Also registered at 160 Dental Cir
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Daniel Calderon, M.D.Vascular Surgery Physician1982999496
- Michael Cinelli, DOInterventional Cardiology Physician1265964696
- Jessica Goad, M.D.Internal Medicine Physician1629423330
- Christinna Haire, ACNP-BCAcute Care Nurse Practitioner1689920928
- Kelly Herremans, M.D.Student in an Organized Health Care Education/Training Program1205362670
- Esha KadakiaStudent in an Organized Health Care Education/Training Program1538916739
Verify William Carl Mostertz in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersNorth Carolina Medical Board
Search for license 2022-01919Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
40% fewer Medicare Part D claims than the average advanced heart failure and transplant cardiology physician in 2024
1,180 Medicare Part D claims for 181 beneficiaries, against an average of 1,965 among the 1,124 providers of this specialty who prescribed in Part D. Brand-name drugs were 29% of claims.
Most prescribed
- Metoprolol Succinate148 claims
- Spironolactone141 claims
- Entresto138 claims
- Jardiance100 claims
- Warfarin Sodium58 claims
- Torsemide49 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Industry payments in 2024: $474.06
10 payments; by number, the most common kind was food and beverage; the largest payer was CVRx, Inc. The 1,027 providers of this specialty with any payment received $10,265.85 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through 2 group practices
- Nhcs Physicians IncRocky Mount, NC
- University OF North Carolina AT Chapel HillChapel Hill, NC
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
William Carl Mostertz among 34 advanced heart failure and transplant cardiology physician records in North Carolina
William Carl Mostertz, MD is one of 34 advanced heart failure and transplant cardiology physician records with a practice address in North Carolina. 97% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2016, is newer than 76% of them.
- NPI issued2016 · 76% of these records are older, 18% newer
- In a Medicare fileYes · 97% of these records are
- In the CMS Doctors and Clinicians fileYes · 91% of these records are
- Graduated2016 · median 2005 among the 31 with a school on file
- Record last updated2023 · 26% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RA0001X and a North Carolina practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Advanced Heart Failure and Transplant Cardiology Physician providers in North Carolina
There are 34 advanced heart failure and transplant cardiology physician records in North Carolina.
All 34 in North Carolina → Every provider in Chapel Hill → Advanced Heart Failure and Transplant Cardiology Physician nationwide →
The 8 advanced heart failure and transplant cardiology physician records with the nearest ZIP codes
- Patricia Chang, MDChapel Hill, NC 275991326118068
- Brian Jensen, M.D.Chapel Hill, NC 275991639231392
- Jason Katz, MD, MHSChapel Hill, NC 275991417081654
- Elizabeth Volz, MDChapel Hill, NC 275991306012091
- David Ishizawar, M.D.Raleigh, NC 276071326235607
- Kishan Parikh, M.D.Raleigh, NC 276101780813782
- Stuart Russell, M.D.Raleigh, NC 276101669407854
- Karen Flores Rosario, MDMorrisville, NC 275601457892721
Common questions
What is William Carl Mostertz, MD's NPI number?
William Carl Mostertz, MD's National Provider Identifier (NPI) is 1679928022, issued on May 3, 2016. An NPI identifies a provider in billing; it is not a license.
Where is William Carl Mostertz, MD located?
The NPPES record lists a practice address at 160 Dental Cir, Chapel Hill, NC, 27599. Phone: (919) 966-5205. Providers update this record themselves, so call before visiting.
How can I verify William Carl Mostertz, MD's license?
NPPES lists North Carolina license number 2022-01919, as entered by the provider. Search the North Carolina Medical Board at https://portal.ncmedboard.org/verification/search.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does William Carl Mostertz, MD prescribe under Medicare Part D?
In 2024, William Carl Mostertz, MD had 1,180 Medicare Part D claims for 181 beneficiaries; the average among advanced heart failure and transplant cardiology physician prescribers was 1,965. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.