AHMAD ELAYYAN MD
NPI 1366884785
Internal Medicine - Endocrinology, Diabetes & Metabolism in Millsboro, DE

Active since July 26, 2013PECOS EnrolledAccepts Medicare Assignment
232 MITCHELL ST UNIT 102, MILLSBORO, DE 19966(302) 648-7999(302) 645-7698 Get Directions Write a Review

NPPES record last updated: May 29, 2026. Verified against the NPPES registry weekly; last sync: July 19, 2026.

Record update history: May 29, 2026, Mar 11, 2025, Dec 11, 2018 (3 updates tracked since 2018).

About Ahmad Elayyan Md NPPES

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

AHMAD ELAYYAN MD (NPI 1366884785) is an individual endocrinology, diabetes & metabolism provider in Millsboro, Delaware, licensed in Delaware (C1-0012628) and active in the NPI registry since July 2013. He is enrolled in Medicare PECOS, is affiliated with Tidalhealth Peninsula Regional, Inc, and maintains 4 additional practice locations.

NPPES Registry Identity

NPI1366884785
Entity TypeIndividualMale
Primary Taxonomy207RE0101X
Provider Legal NameAHMAD ELAYYANCredential: MD
Location Address232 MITCHELL ST UNIT 102Millsboro, DE 19966-9412
Mailing Address1515 Savannah RdLewes, DE 19958-1675 · (302) 645-3499 · Fax (302) 644-4830
Fax(302) 645-7698
Sole ProprietorNo
Medical School CMSOtherGraduated 2009
Enumeration DateJuly 26, 2013
Last NPPES UpdateMay 29, 20263 updates tracked since enumeration
NPPES CertifiedMay 29, 2026
NPI 1366884785 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

Primary SpecialtyInternal Medicine · Endocrinology, Diabetes & MetabolismAllopathic & Osteopathic Physicians
Taxonomy Code207RE0101X
License Licensed in DE · C1-0012628
Definition

An internist who concentrates on disorders of the internal (endocrine) glands such as the thyroid and adrenal glands. This specialist also deals with disorders such as diabetes, metabolic and nutritional disorders, obesity, pituitary diseases and menstrual and sexual problems.

Also ListedInternal MedicineTaxonomy 207R00000X · License 4301102576 (MI)
232 MITCHELL ST UNIT 102, Millsboro, DE 19966

Secondary Practice Locations 4

Location 1G3230 Beecher Rd, Suite 2Flint, MI 48532-3604 · Phone (810) 342-5800 · Fax (810) 342-5810
Location 2100 Rawlins DrSeaford, DE 19973-5881 · Phone (302) 990-3300 · Fax (302) 629-0454
Location 312100 Black Swan Dr Ste 104Lewes, DE 19958-4991 · Phone (302) 645-2244 · Fax (888) 987-9645
Location 426744 John J Williams Hwy Unit 4Millsboro, DE 19966-4667 · Phone (302) 648-7999 · Fax (844) 271-8084

Accepted Insurance

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

Ahmad Elayyan 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 ID4688985419
PECOS Enrollment IDI20180730000372
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.

Areas of Expertise CMS Part B claims 9

Services this provider delivered to Medicare fee-for-service patients, from the 2024 & 2026 CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
696 services412 patients
Continuous monitoring of blood sugar level in tissue fluid using sensor under skin with interpretation and report 95251
This procedure involves placing a small sensor under your skin to continuously monitor your blood sugar levels in tissue fluid. The data is interpreted and a report is generated to help manage your diabetes more effectively.
314 services147 patients
Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more 99215
This service involves a follow-up appointment for existing patients, lasting between 40 to 54 minutes. During this time, your healthcare provider will assess your current health status, discuss any changes or concerns, review your treatment plan, and answer any questions you may have.
197 services141 patients
New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more 99204
This is a first-time office or outpatient visit lasting between 45-59 minutes. The healthcare provider evaluates your health, discusses your medical history, and may suggest further tests or treatments. It's an opportunity to ask questions and understand your health better.
90 services90 patients
Blood glucose (sugar) level 82947
A blood glucose level test measures the amount of sugar in your blood. It's often used to monitor and manage conditions like diabetes. High or low levels can indicate a health issue. The test is usually done by pricking your finger for a small blood sample.
86 services70 patients
Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213
This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.
48 services47 patients

Hospital Affiliations CMS Care Compare

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Tidalhealth Peninsula Regional, Inc

Acute Care Hospitals · Salisbury, MD
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number210019
Location100 East Carroll AvenueSalisbury, MD 21801 · Wicomico County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 19966 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
$131.15 typical visit price
range $57.12 – $173.08
Typical copayment $32.78 (range $14.28 – $43.27)
Most-billed visit code 99204
Established Patient
$100.68 typical visit price
range $18.36 – $141.05
Typical copayment $25.17 (range $4.59 – $35.26)
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.

Referred Medical Equipment & Supplies CMS DME claims 6

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Supplies for maintenance of insulin infusion catheter, per week A4224
DME-Other DME · category DE017N
5 suppliers15 claims191 services$18.59 avg. paid by Medicare
Supplies for external insulin infusion pump, syringe type cartridge, sterile, each A4225
DME-Other DME · category DE017N
5 suppliers15 claims450 services$2.37 avg. paid by Medicare
Blood glucose test or reagent strips for home blood glucose monitor, per 50 strips A4253
DME-Other DME · category DE017N
18 suppliers93 claims299 services$5.96 avg. paid by Medicare
Lancets, per box of 100 A4259
DME-Medical/Surgical Supplies · category DA000N
11 suppliers32 claims50 services$0.99 avg. paid by Medicare
Supply allowance for therapeutic continuous glucose monitor (cgm), includes all supplies and accessories, 1 month supply = 1 unit of service K0553
DME-Other DME · category DE017N
16 suppliers286 claims289 services$188.22 avg. paid by Medicare
Receiver (monitor), dedicated, for use with therapeutic glucose continuous monitor system K0554
DME-Other DME · category DE017N
7 suppliers12 claims12 services$190.60 avg. paid by Medicare
Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

Other Providers at the Same Location NPPES 3

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

Internal Medicine (Endocrinology, Diabetes & Metabolism)
232 MITCHELL ST UNIT 102
MILLSBORO, DE 19966
Internal Medicine (Endocrinology, Diabetes & Metabolism)
232 MITCHELL ST UNIT 102
MILLSBORO, DE 19966
Psychiatry & Neurology (Neurology)
232 MITCHELL ST UNIT 102
MILLSBORO, DE 19966

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1366884785, enumerated as an "individual" on July 26, 2013.

The provider is located at 232 MITCHELL ST UNIT 102 MILLSBORO, DE 19966 and the phone number is (302) 648-7999.

Internal Medicine with taxonomy code 207RE0101X and a focus in Endocrinology, Diabetes & Metabolism.

The provider might be accepting Accepts: Ambetter from Home State Health, Ambetter from NH. Please consult your insurance carrier or call the provider to verify.

Ahmad Elayyan is affiliated with: TIDALHEALTH PENINSULA REGIONAL, INC.