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MARIAM ELKEIK MD
NPI 1407559644
Internal Medicine in Derby, CT

Active since March 27, 2023PECOS EnrolledAccepts Medicare Assignment
130 DIVISION ST, DERBY, CT 06418(203) 732-1330(203) 732-1332 Get Directions Write a Review

NPPES record last updated: April 23, 2026. Verified against the NPPES registry weekly; last sync: August 30, 2026.

Record update history: Apr 23, 2026, Mar 27, 2023 (2 updates tracked since 2023).

About Mariam Elkeik Md NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

MARIAM ELKEIK MD (NPI 1407559644) is an individual internal medicine provider in Derby, Connecticut, licensed in Connecticut (84045) and active in the NPI registry since March 2023. She is enrolled in Medicare PECOS and is a graduate of Other (2018).

NPPES Registry Identity

NPI1407559644
Entity TypeIndividualFemale
Primary Taxonomy207R00000X
Provider Legal NameMARIAM ELKEIKCredential: MD
Location Address130 DIVISION STDerby, CT 06418-1326
Mailing Address67 Maple AveDerby, CT 06418-1328
Phone(203) 732-1330
Fax(203) 732-1332
Sole ProprietorNo
Medical School CMSOtherGraduated 2018
Enumeration DateMarch 27, 2023
Last NPPES UpdateApril 23, 20262 updates tracked since enumeration
NPPES CertifiedApril 23, 2026
✔ NPI 1407559644 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License✔ Licensed in CT · 84045
Definition
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
130 DIVISION ST, Derby, CT 06418
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Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Mariam Elkeik Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID2860969672
PECOS Enrollment IDI20260429003288
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 06418 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$138.84 typical visit price
range $60.82 – $183.10
Typical copayment $34.71 (range $15.20 – $45.77)
Most-billed visit code 99204
Established Patient
$106.68 typical visit price
range $19.76 – $149.26
Typical copayment $26.67 (range $4.94 – $37.31)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

MRS. CHRISTINA ERNST MS,RD,CDN
Dietitian, Registered
130 DIVISION ST
DERBY, CT 06418
Naugatuck Valley Planning Region (203) 732-7579
STACEY LEARY RD, CDN, CNSC
Dietitian, Registered
130 DIVISION ST
DERBY, CT 06418
Naugatuck Valley Planning Region (203) 732-7585
GENEVIEVE CECILE KELA MD
Internal Medicine (Endocrinology, Diabetes & Metabolism)
130 DIVISION ST
DERBY, CT 06418
Naugatuck Valley Planning Region (203) 732-7327
DR. DWAYNE ALANSIER HALL DNP
Nurse Practitioner
130 DIVISION ST
DERBY, CT 06418
Naugatuck Valley Planning Region (203) 735-7421
DR. SYBIL CHENG D.O.
Emergency Medicine (Emergency Medical Services)
130 DIVISION ST
DERBY, CT 06418
Naugatuck Valley Planning Region (203) 732-7403
PETER J. INTEGLIA CRNA
Nurse Anesthetist, Certified Registered
130 DIVISION ST
DERBY, CT 06418
Naugatuck Valley Planning Region (203) 735-6493
RORY V CONDON MSN, MA
Nurse Practitioner (Psychiatric/Mental Health)
130 DIVISION ST
DERBY, CT 06418
Naugatuck Valley Planning Region (203) 887-0604
TRENT GARCIA MD
Student in an Organized Health Care Education/Training Program
130 DIVISION ST
DERBY, CT 06418
Naugatuck Valley Planning Region (203) 735-7421

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Mariam Elkeik's NPI number?

The NPI number for Mariam Elkeik is 1407559644. It was assigned to this individual provider in the NPPES registry on March 27, 2023.

Where is Mariam Elkeik located?

Mariam Elkeik practices at 130 Division St, Derby, CT 06418. The listed phone number is (203) 732-1330.

What is Mariam Elkeik's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Is Mariam Elkeik enrolled in Medicare?

Yes. Mariam Elkeik is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

When was this NPI record last updated?

The NPPES record for Mariam Elkeik was last updated on April 23, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.