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DR. ARMIN MAREFAT D.O.
NPI 1629291000
Internal Medicine in Wilmington, DE

Active since April 11, 2007PECOS EnrolledAccepts Medicare Assignment
501 W 14TH ST, WILMINGTON, DE 19801(302) 428-4411 Get Directions Write a Review

NPPES record last updated: July 8, 2007. Verified against the NPPES registry weekly; last sync: August 09, 2026.

About Dr. Armin Marefat D.o. NPPES

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

DR. ARMIN MAREFAT D.O. (NPI 1629291000) is an individual internal medicine provider in Wilmington, Delaware, licensed in Delaware (C7-0003221) and active in the NPI registry since April 2007. He is enrolled in Medicare PECOS, is affiliated with Chester County Hospital, and is a graduate of Philadelphia College Of Osteopathic Medicine (2005).

NPPES Registry Identity

NPI1629291000
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NameDR. ARMIN MAREFATCredential: D.O.
Location Address501 W 14TH STWilmington, DE 19801-1013
Mailing Address243 E Green Valley CirNewark, DE 19711-8709 · (302) 453-1823
Phone(302) 428-4411
Sole ProprietorYes
Medical School CMSPhiladelphia College Of Osteopathic MedicineGraduated 2005
Enumeration DateApril 11, 2007
Last NPPES UpdateJuly 8, 2007
✔ NPI 1629291000 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License✔ Licensed in DE · C7-0003221
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.
501 W 14TH ST, Wilmington, DE 19801
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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter from Home State Health, Ambetter from NH Healthy Families, Ambetter from Sunflower Health Plan and more.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

Dr. Armin Marefat D.o. 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 ID2264500438
PECOS Enrollment IDI20081001000767, I20230131003505
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 10

Services this provider delivered to Medicare fee-for-service patients, from the 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 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.
171 services102 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.
113 services113 patients
Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope 43239
This procedure involves using a thin, flexible tube with a light and camera, known as an endoscope, to examine the esophagus, stomach, and upper part of the small intestine. Small tissue samples are taken for further examination to help diagnose various conditions.
87 services83 patients
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.
79 services67 patients
Biopsy of large bowel using a flexible endoscope 45380
A biopsy of the large bowel using a flexible endoscope is a procedure where a thin, flexible tube with a camera is inserted through the rectum to examine the bowel. If abnormal tissue is found, a small sample is taken for further examination. This helps in diagnosing conditions like inflammation, polyps, or cancer.
46 services46 patients
New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more 99203
This service involves an initial office or outpatient visit for a new patient. The healthcare professional will spend 30-44 minutes understanding your health history, current issues, and discussing possible treatment plans. It's a comprehensive evaluation to start your healthcare journey.
36 services36 patients

Hospital Affiliations CMS Care Compare

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

Chester County Hospital

Acute Care Hospitals · West Chester, PA
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number390179
Location701 East Marshall StreetWest Chester, PA 19380 · Chester County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 19801 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.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

Reported Quality Measures

e-Prescribing
At least one permissible prescription written by the MIPS eligible clinician is queried for a drug formulary and transmitted electronically using certified EHR technology.
97%1,342 patients4/55-star benchmark: 99%
Health Information Exchange
The MIPS eligible clinician that transitions or refers their patient to another setting of care or health care clinician (1) uses CEHRT to create a summary of care record; and (2) electronically transmits such summary to a receiving health care clinician for…
46%155 patients3/55-star benchmark: 88%
Medication Reconciliation
The MIPS eligible clinician performs medication reconciliation for at least one transition of care in which the patient is transitioned into the care of the MIPS eligible clinician.
99%294 patients4/55-star benchmark: 100%
Patient-Specific Education
The MIPS eligible clinician must use clinically relevant information from CEHRT to identify patient-specific educational resources and provide access to those materials to at least one unique patient seen by the MIPS eligible clinician.
44%915 patients2/55-star benchmark: 97%
Provide Patient Access
At least one patient seen by the MIPS eligible clinician during the performance period is provided timely access to view online, download, and transmit to a third party their health information subject to the MIPS eligible clinician's discretion to withhold…
98%915 patients4/55-star benchmark: 100%
Secure Messaging
For at least one unique patient seen by the MIPS eligible clinician during the performance period, a secure message was sent using the electronic messaging function of CEHRT to the patient (or the patient-authorized representative), or in response to a secure…
21%915 patients1/55-star benchmark: 89%
View, Download, or Transmit (VDT)
At least one patient seen by the MIPS eligible clinician during the performance period (or patient-authorized representative) views, downloads or transmits their health information to a third party during the performance period.
33%915 patients
Providers report different measures because they deliver different services; reporting more or less information is not a reflection of quality. Star ratings appear only where CMS assigned them.

Referred Medical Equipment & Supplies CMS DME claims

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

Ostomy skin barrier, pectin-based, paste, per ounce A4406
DME-Orthotic Devices · category DF010N
2 suppliers11 claims44 services$5.52 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 20

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

CHRISTIANA CARE HEALTH SERVICES, INC
Rehabilitation Unit
501 W 14TH ST
WILMINGTON, DE 19801
New Castle County (302) 623-7000
TERRY L HORTON MD
Internal Medicine
501 W 14TH ST, ROOM 5236
WILMINGTON, DE 19801
New Castle County (302) 428-4574
MR. KRISTOPHER STARR APN
Nurse Practitioner (Family)
501 W 14TH ST, EMERGENCY DEPARTMENT
WILMINGTON, DE 19801
New Castle County (302) 320-4180
REGAN LEE MASSEY
Student in an Organized Health Care Education/Training Program
501 W 14TH ST
WILMINGTON, DE 19801
New Castle County (302) 733-1000
MS. GINGER LYNNE COWELL NP
Nurse Practitioner
501 W 14TH ST
WILMINGTON, DE 19801
New Castle County (302) 320-4410
DR. MELISSA D. MORGAN-GOUVEIA MD
Internal Medicine
501 W 14TH ST, WILMINGTON HOSPITAL - ADULT MEDICINE OFFICE
WILMINGTON, DE 19801
New Castle County (302) 428-4411
MS. KATHRYN MARGARET CURTIS NP
Nurse Practitioner (Adult Health)
501 W 14TH ST, WILMINGTON HOSPITAL RM 2244
WILMINGTON, DE 19801
New Castle County (302) 428-2285
YOUSEF SHEIKH
Student in an Organized Health Care Education/Training Program
501 W 14TH ST
WILMINGTON, DE 19801
New Castle County (302) 733-1000

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 Armin Marefat's NPI number?

The NPI number for Armin Marefat is 1629291000. It was assigned to this individual provider in the NPPES registry on April 11, 2007.

Where is Armin Marefat located?

Armin Marefat practices at 501 W 14th St, Wilmington, DE 19801. The listed phone number is (302) 428-4411.

What is Armin Marefat's specialty?

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

Is Armin Marefat enrolled in Medicare?

Yes. Armin Marefat 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.

What insurance does Armin Marefat accept?

Health plans from Ambetter Health, Ambetter Health of Delaware, Ambetter from Home State Health, Ambetter from NH Healthy Families and Ambetter from Sunflower Health Plan and 2 other insurers list Armin Marefat as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

Is Armin Marefat affiliated with any hospitals?

According to CMS data, Armin Marefat is affiliated with Chester County Hospital.

When was this NPI record last updated?

The NPPES record for Armin Marefat was last updated on July 8, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 years 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.