Nancy Gutierrez Rivera, MD
Internal Medicine Physician · New Castle, DE
Nancy Gutierrez Rivera, MD is an internal medicine physician with a practice address in New Castle, Delaware, and NPI 1467834812, issued on Jun 22, 2015. Check the license (Delaware C1-0025553, as entered in NPPES) on the Delaware Board of Medical Licensure and Discipline; the Medicare figures below come from public CMS files.
- Name
- Nancy Gutierrez Rivera
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License numbers
- C1-0025553 DE
155276 CA
Self-reported in NPPES; status is on the state search - Practice location
- 94 Christiana RD, New Castle, DE 19720
- Phone
- (302) 327-7630
- Enumerated
- Jun 22, 2015
- Record last updated
- Apr 4, 2023
- Medicare enrollment
- Enrolled (PECOS I20230301000000); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 600 in Delaware → Look up another NPI →
Also registered at 94 Christiana RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Ayla Benge, DOInternal Medicine Physician1538789433
- Saranya Biswas, M.D.Internal Medicine Physician1124460209
- Rebecca Dewees, MDFamily Medicine Physician1841930120
- Joelle Mengang, MDFamily Medicine Physician1629389184
- Vikesh Shrestha, DOFamily Medicine Physician1306464896
- Carolyn Wulff, PAPhysician Assistant1831809573
Verify Nancy Gutierrez Rivera in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersDelaware Board of Medical Licensure and Discipline
Search for license C1-0025553Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2% more Medicare Part D claims than the average internal medicine physician in 2024
3,227 Medicare Part D claims for 501 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 14% of claims. 19 claims were for opioids.
Most prescribed
- Atorvastatin Calcium328 claims
- Amlodipine Besylate241 claims
- Lisinopril133 claims
- Losartan Potassium114 claims
- Rosuvastatin Calcium98 claims
- Hydrochlorothiazide91 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.
Bills Medicare through one group practice
- Christiana Care Health Services IncNew Castle, DE
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Nancy Gutierrez Rivera among 600 internal medicine physician records in Delaware
Nancy Gutierrez Rivera, MD is one of 600 internal medicine physician records with a practice address in Delaware. 83% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2015, is newer than 61% of them.
- NPI issued2015 · 61% of these records are older, 36% newer
- In a Medicare fileYes · 83% of these records are
- In the CMS Doctors and Clinicians fileYes · 69% of these records are
- Graduated2012 · median 2008 among the 414 with a school on file
- Record last updated2023 · 49% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Delaware practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Internal Medicine Physician providers in Delaware
There are 600 internal medicine physician records in Delaware.
All 600 in Delaware → Every provider in New Castle → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Ayla Benge, DONew Castle, DE 197201538789433
- Saranya Biswas, M.D.New Castle, DE 197201124460209
- Higinio Lopez, M.D.New Castle, DE 197201427130640
- Milagros NunagNew Castle, DE 197201518003482
- Terri Steinberg, M.D.New Castle, DE 197201164647384
- Raya Abbasi, M.DNewark, DE 197181205524154
- Awanwosa Agho, MDNewark, DE 197181811672348
- Aashna Bhandari, MDNewark, DE 197181871369066
Common questions
What is Nancy Gutierrez Rivera, MD's NPI number?
Nancy Gutierrez Rivera, MD's National Provider Identifier (NPI) is 1467834812, issued on Jun 22, 2015. An NPI identifies a provider in billing; it is not a license.
Where is Nancy Gutierrez Rivera, MD located?
The NPPES record lists a practice address at 94 Christiana RD, New Castle, DE, 19720. Phone: (302) 327-7630. Providers update this record themselves, so call before visiting.
How can I verify Nancy Gutierrez Rivera, MD's license?
NPPES lists Delaware license number C1-0025553, as entered by the provider. Search the Delaware Board of Medical Licensure and Discipline at https://delpros.delaware.gov/OH_VerifyLicense. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Nancy Gutierrez Rivera, MD prescribe under Medicare Part D?
In 2024, Nancy Gutierrez Rivera, MD had 3,227 Medicare Part D claims for 501 beneficiaries; the average among internal medicine physician prescribers was 3,176. 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.