Charles Ian Cooperberg, MD
Nephrology Physician · Durham, NC
Charles Ian Cooperberg, MD is a nephrology physician with a practice address in Durham, North Carolina, and NPI 1073530655, issued on Jul 17, 2006. Check the license (North Carolina 32098, as entered in NPPES) on the North Carolina Medical Board; the Medicare figures below come from public CMS files.
- Name
- Charles Ian Cooperberg
- Credential
- MD
- Primary taxonomy
- Nephrology Physician 207RN0300X
- License number
- 32098 NC
Self-reported in NPPES; status is on the state search - Practice location
- 4419 Ben Franklin Blvd, Durham, NC 27704
- Phone
- (919) 477-3005
- Enumerated
- Jul 17, 2006
- Record last updated
- Jul 18, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (919) 477-5526
- Medicaid ID
- 8924146 NC
- Medicare enrollment
- Enrolled (PECOS I20100415000308); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest nephrology physician records → All 403 in North Carolina → Look up another NPI →
Also registered at 4419 Ben Franklin Blvd
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Kimberly Atwood, RD, PA-CPhysician Assistant1700161593
- Romin BonakdarNephrology Physician1003236787
- Stephen Cox, PA CMedical Physician Assistant1942226881
- Cynthia ForemanHearing Instrument Specialist1104382696
- Tomasz Gawecki, MDNephrology Physician1922023712
- Cynthia Goodwin, ANPNurse Practitioner1104833466
Verify Charles Ian Cooperberg in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersNorth Carolina Medical Board
Search for license 32098Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
48% fewer Medicare Part D claims than the average nephrology physician in 2024
765 Medicare Part D claims for 153 beneficiaries, against an average of 1,465 among the 10,986 providers of this specialty who prescribed in Part D. Brand-name drugs were 14% of claims.
Most prescribed
- Furosemide105 claims
- Amlodipine Besylate76 claims
- Carvedilol53 claims
- Hydrochlorothiazide49 claims
- Potassium Chloride37 claims
- Jardiance35 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: $601.95
32 payments; by number, the most common kind was food and beverage; the largest payer was Novartis Pharmaceuticals Corporation. The 8,230 providers of this specialty with any payment received $3,091.37 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 one group practice
- Durham Nephrology Associates PADurham, NC
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Charles Ian Cooperberg among 403 nephrology physician records in North Carolina
Charles Ian Cooperberg, MD is one of 403 nephrology physician records with a practice address in North Carolina. 86% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 17% of them.
- NPI issued2006 · 17% of these records are older, 50% newer
- In a Medicare fileYes · 86% of these records are
- In the CMS Doctors and Clinicians fileYes · 77% of these records are
- Graduated1982 · median 2002 among the 310 with a school on file
- Record last updated2007 · 47% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RN0300X and a North Carolina practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Nephrology Physician providers in North Carolina
There are 403 nephrology physician records in North Carolina.
All 403 in North Carolina → Every provider in Durham → Nephrology Physician nationwide →
The 8 nephrology physician records with the nearest ZIP codes
- Romin BonakdarDurham, NC 277041003236787
- Tomasz Gawecki, MDDurham, NC 277041922023712
- Robert Gutman, MDDurham, NC 277041699791558
- Nawal Habib, M.D.Durham, NC 277041346692969
- Amarnath Kathresal, M.D.Durham, NC 277041033194402
- Uptal Patel, M.D.Durham, NC 277041841372067
- Kimberly Richter, MDDurham, NC 277041265458103
- Elzbieta Rybicka-Kozlowska, MDDurham, NC 277041346265238
Common questions
What is Charles Ian Cooperberg, MD's NPI number?
Charles Ian Cooperberg, MD's National Provider Identifier (NPI) is 1073530655, issued on Jul 17, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Charles Ian Cooperberg, MD located?
The NPPES record lists a practice address at 4419 Ben Franklin Blvd, Durham, NC, 27704. Phone: (919) 477-3005. Providers update this record themselves, so call before visiting.
How can I verify Charles Ian Cooperberg, MD's license?
NPPES lists North Carolina license number 32098, 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 Charles Ian Cooperberg, MD prescribe under Medicare Part D?
In 2024, Charles Ian Cooperberg, MD had 765 Medicare Part D claims for 153 beneficiaries; the average among nephrology physician prescribers was 1,465. 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.