Rachael Grosso, M.D.
Internal Medicine Physician · Newark, DE
Rachael Grosso, M.D. is an internal medicine physician with a practice address in Newark, Delaware, and NPI 1811382807, issued on Apr 6, 2015. Check the license (Delaware C1-0012784, as entered in NPPES) on the Delaware Board of Medical Licensure and Discipline; the Medicare figures below come from public CMS files.
- Name
- Rachael Grosso
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- C1-0012784 DE
Self-reported in NPPES; status is on the state search - Practice location
- 4755 Ogletown Stanton RD Ste 5A43, Newark, DE 19718
- Phone
- (302) 623-0188
- Enumerated
- Apr 6, 2015
- Record last updated
- Aug 14, 2019 (not updated in 7 years: call before relying on the address or phone)
- Fax
- (215) 955-2516
- Medicare enrollment
- Enrolled (PECOS I20190909000309); accepts Medicare assignment
- Entity
- Type 1 · individual
Also registered at 4755 Ogletown Stanton RD Ste 5A43
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Raya Abbasi, M.DInternal Medicine Physician1205524154
- Fatima Afridi, M.D.Internal Medicine Physician1578712584
- Awanwosa Agho, MDInternal Medicine Physician1811672348
- Anam Alam, DOInternal Medicine Physician1316696776
- Farha Ali, DOInternal Medicine Physician1043897580
- Hiba Ansari, DOInternal Medicine Physician1841729332
Verify Rachael Grosso 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 C1-0012784Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
99% fewer Medicare Part D claims than the average internal medicine physician in 2024
18 Medicare Part D claims for 15 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. 14 claims were for opioids.
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
- Jefferson University PhysiciansPhiladelphia, PA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
240 internal medicine physician records list a practice address in Newark
They are 240 of the 4,662 NPPES records with a practice address in Newark, and 600 internal medicine physician records in Delaware.
All 240 in Newark → All 600 in Delaware → Every provider in Newark →
Other internal medicine physician records in Delaware
- Raya Abbasi, M.DNewark, DE1205524154
- Semaan Abboud, M.D.Millsboro, DE1063477529
- Joseph Raphael Ablaza, M.D.Dover, DE1366892291
- Anastasia AbongnelahMilford, DE1275371312
- Aashish AcharyaDover, DE1912523424
- Ramesh Adabala, M.D.,Newark, DE1902898596
- Oluwaseun Adeniyi, MDLewes, DE1154906097
- Sonia Adnan, MDNewark, DE1790915593
- Fatima Afridi, M.D.Newark, DE1578712584
- Reynold Agard, M.D.Newark, DE1902811730
Common questions
What is Rachael Grosso, M.D.'s NPI number?
Rachael Grosso, M.D.'s National Provider Identifier (NPI) is 1811382807, issued on Apr 6, 2015. An NPI identifies a provider in billing; it is not a license.
Where is Rachael Grosso, M.D. located?
The NPPES record lists a practice address at 4755 Ogletown Stanton RD Ste 5A43, Newark, DE, 19718. Phone: (302) 623-0188. Providers update this record themselves, so call before visiting.
How can I verify Rachael Grosso, M.D.'s license?
NPPES lists Delaware license number C1-0012784, 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 Rachael Grosso, M.D. prescribe under Medicare Part D?
In 2024, Rachael Grosso, M.D. had 18 Medicare Part D claims for 15 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.