DR. NASSIM R KARIMI M.D.
NPI 1982763314
Internal Medicine - Gastroenterology in Mount Vernon, WA

Active since December 08, 2006PECOS EnrolledAccepts Medicare Assignment
1400 E KINCAID ST, MOUNT VERNON, WA 98274(360) 814-6113(360) 814-6111 Get Directions Write a Review

NPPES record last updated: March 7, 2023. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Mar 7, 2023, Nov 2, 2021, May 24, 2021 and 2 more (5 updates tracked since 2017).

About Dr. Nassim R Karimi M.d. NPPES

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

DR. NASSIM R KARIMI M.D. (NPI 1982763314) is an individual gastroenterology provider in Mount Vernon, Washington, licensed in Washington (MD00028850) and active in the NPI registry since December 2006. She is enrolled in Medicare PECOS, is affiliated with Skagit Valley Hospital, and is a graduate of Other (1983).

NPPES Registry Identity

NPI1982763314
Entity TypeIndividualFemale
Primary Taxonomy207RG0100X
Provider Legal NameDR. NASSIM R KARIMICredential: M.D.
Location Address1400 E KINCAID STMount Vernon, WA 98274-4127
Mailing Address1400 E Kincaid StMount Vernon, WA 98274-4127 · (360) 814-7575 · Fax (360) 445-8592
Fax(360) 814-6111
Sole ProprietorNo
Medical School CMSOtherGraduated 1983
Enumeration DateDecember 8, 2006
Last NPPES UpdateMarch 7, 20235 updates tracked since enumeration
NPPES CertifiedNovember 2, 2021
NPI 1982763314 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

Primary SpecialtyInternal Medicine · GastroenterologyAllopathic & Osteopathic Physicians
Taxonomy Code207RG0100X
License Licensed in WA · MD00028850
Definition
An internist who specializes in diagnosis and treatment of diseases of the digestive organs including the stomach, bowels, liver and gallbladder. This specialist treats conditions such as abdominal pain, ulcers, diarrhea, cancer and jaundice and performs complex diagnostic and therapeutic procedures using endoscopes to visualize internal organs.
Also ListedSpecialistTaxonomy 174400000X · License MD28850 (WA)
1400 E KINCAID ST, Mount Vernon, WA 98274

Other Identifiers 1

OtherMD28850WA · Washington License

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

Dr. Nassim R Karimi M.d. 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 ID4587830781
PECOS Enrollment IDI20120109000943
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 11

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.

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.
143 services137 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.
109 services109 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.
101 services101 patients
Removal of polyps or growths of large bowel using an endoscope with mechanical snare 45385
This procedure involves using a thin, flexible tube called an endoscope to examine the large bowel. If any abnormal growths or polyps are found, a tool called a mechanical snare is used to remove them. This is a common method to prevent potential health issues.
77 services77 patients
Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 99222
Initial hospital inpatient care is a service where a healthcare provider spends about 50 minutes per day overseeing your care while you're admitted in the hospital. This includes reviewing your health status, planning your treatment, and ensuring your safety and comfort.
58 services56 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.
50 services41 patients

Hospital Affiliations CMS Care Compare 3

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

Skagit Valley Hospital

Acute Care Hospitals · Mount Vernon, WA
3/5 CMS rating
OwnershipGovernment - Hospital District or Authority
CMS Certification Number500003
Location1415 E Kincaid StreetMount Vernon, WA 98274 · Skagit County
Emergency services Birthing friendly

Island Hospital

Acute Care Hospitals · Anacortes, WA
5/5 CMS rating
OwnershipGovernment - Hospital District or Authority
CMS Certification Number500007
Location1211 24th StreetAnacortes, WA 98221 · Skagit County
Emergency services Birthing friendly

Cascade Valley Hospital

Acute Care Hospitals · Arlington, WA
1/5 CMS rating
OwnershipGovernment - Hospital District or Authority
CMS Certification Number500060
Location330 S Stillaguamish AveArlington, WA 98223 · Snohomish County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 98274 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
$130.99 typical visit price
range $57.27 – $172.80
Typical copayment $32.74 (range $14.31 – $43.20)
Most-billed visit code 99204
Established Patient
$100.78 typical visit price
range $18.56 – $141.11
Typical copayment $25.19 (range $4.64 – $35.27)
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.

Obstetrics & Gynecology
1400 E KINCAID ST
MOUNT VERNON, WA 98274
General Practice
1400 E KINCAID ST
MOUNT VERNON, WA 98274
Durable Medical Equipment & Medical Supplies
1400 E KINCAID ST
MOUNT VERNON, WA 98274
Pediatrics
1400 E KINCAID ST
MOUNT VERNON, WA 98274
Obstetrics & Gynecology
1400 E KINCAID ST
MOUNT VERNON, WA 98274
Nurse Practitioner
1400 E KINCAID ST
MOUNT VERNON, WA 98274
Surgery
1400 E KINCAID ST
MOUNT VERNON, WA 98274
Podiatrist (Foot & Ankle Surgery)
1400 E KINCAID ST
MOUNT VERNON, WA 98274

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 Nassim Karimi's NPI number?

The NPI number for Nassim Karimi is 1982763314. It was assigned to this individual provider in the NPPES registry on December 8, 2006.

Where is Nassim Karimi located?

Nassim Karimi practices at 1400 E Kincaid St, Mount Vernon, WA 98274. The listed phone number is (360) 814-6113.

What is Nassim Karimi's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Gastroenterology, with taxonomy code 207RG0100X.

Is Nassim Karimi enrolled in Medicare?

Yes. Nassim Karimi 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 Nassim Karimi accept?

Health plans from PacificSource Health Plans, Premera Blue Cross Blue Shield of Alaska and Providence Health Plan list Nassim Karimi 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 Nassim Karimi affiliated with any hospitals?

According to CMS data, Nassim Karimi is affiliated with Skagit Valley Hospital, Island Hospital and Cascade Valley Hospital.

When was this NPI record last updated?

The NPPES record for Nassim Karimi was last updated on March 7, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.