Tomas Ignacio Guerrero Nunez, MD
Nephrology Physician · Charlotte, NC
Tomas Ignacio Guerrero Nunez, MD is a nephrology physician with a practice address in Charlotte, North Carolina, and NPI 1215468392, issued on Mar 21, 2017. Check the license (North Carolina 2020-02550, as entered in NPPES) on the North Carolina Medical Board; the Medicare figures below come from public CMS files.
- Name
- Tomas Ignacio Guerrero Nunez
- Credential
- MD
- Primary taxonomy
- Nephrology Physician 207RN0300X
- License number
- 2020-02550 NC
Self-reported in NPPES; status is on the state search - Practice location
- 3033 Eastway Dr Ste 201, Charlotte, NC 28205
- Phone
- (704) 316-4517
- Enumerated
- Mar 21, 2017
- Record last updated
- Apr 14, 2025
- Fax
- (704) 731-6452
- Medicare enrollment
- Enrolled (PECOS I20210707002627); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest nephrology physician records → All 403 in North Carolina → Look up another NPI →
Also registered at 3033 Eastway Dr Ste 201
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Courtney Boggs, NPNurse Practitioner1558844605
- Joel Bruce, M.D.Nephrology Physician1154387199
- Michael Etomi, MDNephrology Physician1720039787
- Nancy Gritter, MDNephrology Physician1134171382
- Preeti Gurnani, M.D.Nephrology Physician1982860631
- Emily Page, FNP-CNurse Practitioner1477274264
Verify Tomas Ignacio Guerrero Nunez in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersNorth Carolina Medical Board
Search for license 2020-02550Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
86% fewer Medicare Part D claims than the average nephrology physician in 2024
200 Medicare Part D claims for 87 beneficiaries, against an average of 1,465 among the 10,986 providers of this specialty who prescribed in Part D. Brand-name drugs were 37% of claims. 12 claims were for opioids.
Most prescribed
- Jardiance46 claims
- Chlorthalidone17 claims
- Farxiga15 claims
- Lactulose13 claims
- Furosemide11 claims
- Oxycodone-Acetaminophen11 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: $1,615.01
25 payments; by number, the most common kind was food and beverage; the largest payer was Medtronic, Inc. 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
- Metrolina Nephrology Associates PAHuntersville, NC
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Tomas Ignacio Guerrero Nunez among 403 nephrology physician records in North Carolina
Tomas Ignacio Guerrero Nunez, 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 2017, is newer than 88% of them.
- NPI issued2017 · 88% of these records are older, 10% newer
- In a Medicare fileYes · 86% of these records are
- In the CMS Doctors and Clinicians fileYes · 77% of these records are
- Graduated2017 · median 2002 among the 310 with a school on file
- Record last updated2025 · 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 Charlotte → Nephrology Physician nationwide →
The 8 nephrology physician records with the nearest ZIP codes
- Joel Bruce, M.D.Charlotte, NC 282051154387199
- Michael Etomi, MDCharlotte, NC 282051720039787
- Nancy Gritter, MDCharlotte, NC 282051134171382
- Preeti Gurnani, M.D.Charlotte, NC 282051982860631
- Sylvester Ogbata, M.D.Charlotte, NC 282051346209707
- Anjali Singla, M.D.Charlotte, NC 282051508157629
- William Burgess, MDCharlotte, NC 282071437101037
- George Hart, MDCharlotte, NC 282071881647634
Common questions
What is Tomas Ignacio Guerrero Nunez, MD's NPI number?
Tomas Ignacio Guerrero Nunez, MD's National Provider Identifier (NPI) is 1215468392, issued on Mar 21, 2017. An NPI identifies a provider in billing; it is not a license.
Where is Tomas Ignacio Guerrero Nunez, MD located?
The NPPES record lists a practice address at 3033 Eastway Dr Ste 201, Charlotte, NC, 28205. Phone: (704) 316-4517. Providers update this record themselves, so call before visiting.
How can I verify Tomas Ignacio Guerrero Nunez, MD's license?
NPPES lists North Carolina license number 2020-02550, 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 Tomas Ignacio Guerrero Nunez, MD prescribe under Medicare Part D?
In 2024, Tomas Ignacio Guerrero Nunez, MD had 200 Medicare Part D claims for 87 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.