Oswaldo Apolinar Nicastro, M.D.
Family Medicine Physician · Wilmington, DE
Oswaldo Apolinar Nicastro, M.D. is a family medicine physician with a practice address in Wilmington, Delaware, and NPI 1043336613, issued on Mar 22, 2007. Check the license (Delaware C1-0008737, as entered in NPPES) on the Delaware Board of Medical Licensure and Discipline; the Medicare figures below come from public CMS files.
- Name
- Oswaldo Apolinar Nicastro
- Credential
- M.D.
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- C1-0008737 DE
Self-reported in NPPES; status is on the state search - Practice location
- 2002 Foulk RD, Wilmington, DE 19810
- Phone
- (302) 334-0330
- Enumerated
- Mar 22, 2007
- Record last updated
- Jul 22, 2016 (not updated in 10 years: call before relying on the address or phone)
- Fax
- (302) 334-0329
- Medicaid ID
- 1043336613 DE
- Medicare enrollment
- Enrolled (PECOS I20171215001715); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 518 in Delaware → Look up another NPI →
Also registered at 2002 Foulk RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Jan Gavis, DOFamily Medicine Physician1972663524
Verify Oswaldo Apolinar Nicastro 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 C1-0008737Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2.8 times the Medicare Part D claims of the average family medicine physician in 2024
10,073 Medicare Part D claims for 702 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 9% of claims. 130 claims were for opioids.
Most prescribed
- Atorvastatin Calcium629 claims
- Levothyroxine Sodium411 claims
- Amlodipine Besylate402 claims
- Rosuvastatin Calcium326 claims
- Pantoprazole Sodium291 claims
- Lisinopril275 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.
The practice group's MIPS final score for 2023 (Medicare payment program): 77.5 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $1,868.70
88 payments; by number, the most common kind was food and beverage; the largest payer was AstraZeneca Pharmaceuticals LP. The 55,478 providers of this specialty with any payment received $902.55 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
- Tidalhealth Atlantic IncBerlin, MD
- Tidalhealth Primary Care LLCSalisbury, MD
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Oswaldo Apolinar Nicastro among 518 family medicine physician records in Delaware
Oswaldo Apolinar Nicastro, M.D. is one of 518 family medicine physician records with a practice address in Delaware. 80% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 51% of them.
- NPI issued2007 · 51% of these records are older, 40% newer
- In a Medicare fileYes · 80% of these records are
- In the CMS Doctors and Clinicians fileYes · 62% of these records are
- Graduated1998 · median 2002 among the 323 with a school on file
- Record last updated2016 · 53% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a Delaware practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
163 family medicine physician records list a practice address in Wilmington
They are 163 of the 6,291 NPPES records with a practice address in Wilmington, and 518 family medicine physician records in Delaware.
All 518 in Delaware → Every provider in Wilmington → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Margaret Conte, MDWilmington, DE 198101265421028
- Jeffrey Cramer, MDWilmington, DE 198101912981473
- John Daly, M.D.Wilmington, DE 198101134109101
- Kristine Diehl, MDWilmington, DE 198101245213933
- Tha Dun, MDWilmington, DE 198101235240524
- Valerie Elener, M.D.Wilmington, DE 198101801900816
- James Fierro, D.O.Wilmington, DE 198101154345379
- Jan Gavis, DOWilmington, DE 198101972663524
Common questions
What is Oswaldo Apolinar Nicastro, M.D.'s NPI number?
Oswaldo Apolinar Nicastro, M.D.'s National Provider Identifier (NPI) is 1043336613, issued on Mar 22, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Oswaldo Apolinar Nicastro, M.D. located?
The NPPES record lists a practice address at 2002 Foulk RD, Wilmington, DE, 19810. Phone: (302) 334-0330. Providers update this record themselves, so call before visiting.
How can I verify Oswaldo Apolinar Nicastro, M.D.'s license?
NPPES lists Delaware license number C1-0008737, 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 Oswaldo Apolinar Nicastro, M.D. prescribe under Medicare Part D?
In 2024, Oswaldo Apolinar Nicastro, M.D. had 10,073 Medicare Part D claims for 702 beneficiaries; the average among family medicine physician prescribers was 3,544. Part D covers Medicare prescriptions only.
What is Oswaldo Apolinar Nicastro, M.D.'s MIPS final score?
The 2023 MIPS final score is 77.5 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
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.