NPPES file of Aug 9, 2026

Assem Mamayeva, M.D.

Internal Medicine Physician · Milton, DE

Assem Mamayeva, M.D. is an internal medicine physician with a practice address in Milton, Delaware, and NPI 1073044103, issued on Mar 21, 2017. Check the license (Delaware C1-0013748, as entered in NPPES) on the Delaware Board of Medical Licensure and Discipline; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1073044103
Name
Assem Mamayeva
Credential
M.D.
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
C1-0013748 DE
Self-reported in NPPES; status is on the state search
Practice location
18383 Hudson RD Ste B, Milton, DE 19968
Phone
(302) 725-3499
Enumerated
Mar 21, 2017
Record last updated
May 4, 2023
Fax
(302) 725-3481
Medicare enrollment
Enrolled (PECOS I20231010001179); accepts Medicare assignment
Telehealth
Offers telehealth (CMS)
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 18383 Hudson RD Ste B

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Bryan Patrick Villar, M.D.Family Medicine Physician1700900560

Verify Assem Mamayeva in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersDelaware Board of Medical Licensure and Discipline
    Search for license C1-0013748
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Delaware license search

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38% fewer Medicare Part D claims than the average internal medicine physician in 2024

1,976 Medicare Part D claims for 356 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. 13 claims were for opioids.

  1. Assem Mamayeva1,976
  2. Specialty average3,176

Most prescribed

  1. Atorvastatin Calcium168 claims
  2. Amlodipine Besylate120 claims
  3. Levothyroxine Sodium73 claims
  4. Lisinopril69 claims
  5. Rosuvastatin Calcium60 claims
  6. Losartan Potassium57 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

  1. Multicare Health SystemAuburn, WA

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

5 internal medicine physician records list a practice address in Milton

They are 5 of the 112 NPPES records with a practice address in Milton, and 600 internal medicine physician records in Delaware.

Other internal medicine physician records in Delaware

  1. Raya Abbasi, M.DNewark, DE1205524154
  2. Semaan Abboud, M.D.Millsboro, DE1063477529
  3. Joseph Raphael Ablaza, M.D.Dover, DE1366892291
  4. Anastasia AbongnelahMilford, DE1275371312
  5. Aashish AcharyaDover, DE1912523424
  6. Ramesh Adabala, M.D.,Newark, DE1902898596
  7. Oluwaseun Adeniyi, MDLewes, DE1154906097
  8. Sonia Adnan, MDNewark, DE1790915593
  9. Fatima Afridi, M.D.Newark, DE1578712584
  10. Reynold Agard, M.D.Newark, DE1902811730

Common questions

What is Assem Mamayeva, M.D.'s NPI number?

Assem Mamayeva, M.D.'s National Provider Identifier (NPI) is 1073044103, issued on Mar 21, 2017. An NPI identifies a provider in billing; it is not a license.

Where is Assem Mamayeva, M.D. located?

The NPPES record lists a practice address at 18383 Hudson RD Ste B, Milton, DE, 19968. Phone: (302) 725-3499. Providers update this record themselves, so call before visiting.

How can I verify Assem Mamayeva, M.D.'s license?

NPPES lists Delaware license number C1-0013748, 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 Assem Mamayeva, M.D. prescribe under Medicare Part D?

In 2024, Assem Mamayeva, M.D. had 1,976 Medicare Part D claims for 356 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.