DR. EHSAN CHITSAZ MD
NPI 1285993576
Internal Medicine - Gastroenterology in Everett, WA

NPI Status: Active since May 08, 2012

Contact Information

3927 RUCKER AVE
EVERETT, WA
ZIP 98201
Phone: (425) 317-3655
Fax: (425) 317-3660

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  • Individual
  • Male
  • Years of Experience 18
  • Internal Medicine
  • Gastroenterology
  • Accepts Insurance
  • Accepts Medicare Approved Payment
  • PECOS Enrolled

About EHSAN CHITSAZ

This page provides the complete NPI Profile along with additional information for Ehsan Chitsaz, an internist established in Everett, Washington with a medical specialization in Internal Medicine, focusing in gastroenterology and more than 18 years of experience. The healthcare provider is registered in the NPI registry with number 1285993576 assigned on May 2012. The practitioner's primary taxonomy code is 207RG0100X with license number MD70063680 (WA). The provider is registered as an individual and his NPI record was last updated April 2026.

NPI
1285993576
Provider Name
DR. EHSAN CHITSAZ MD
Gender
Male
Entity Type
Individual
Location Address
3927 RUCKER AVE EVERETT, WA 98201
Location Phone
(425) 317-3655
Location Fax
(425) 317-3660
Mailing Address
PO BOX 5127 EVERETT, WA 98206
Mailing Phone
(206) 860-5414
Medical School Name
OTHER
Graduation Year
2008
Is Sole Proprietor?
No
Enumeration Date
05-08-2012
Last Update Date
04-30-2026
Code Navigator

An internist like Ehsan Chitsaz is a physician who has completed an internal medicine residency and is board-certified or board-eligible in an internist specialty. Internists are trained to care for adults of all ages for many different medical conditions. An internist typically monitors chronic physical conditions, identifies acute diseases, provides family planning, provides counseling about wellness and disease prevention, etc.

Location Map

Secondary Locations

  • 10600 Montgomery Rd
    Montgomery, OH 45242
    (513) 794-5600
  • 2315 E 93rd St Ste 440
    Chicago, IL 60617
    (773) 768-6400
  • 2500 Metrohealth Dr
    Cleveland, OH 44109
    (216) 778-7800

Specialty - Primary Taxonomy

The NPI enumerator requires providers to submit at least one taxonomy code. A taxonomy code is a unique 10-character code that describes the healthcare provider type, classification, and the area of specialization. There could be only one primary taxonomy code per NPI record. For individual NPIs the license data is associated to the taxonomy code.

Classification

Internal Medicine Gastroenterology

Taxonomy Code
207RG0100X
Type
Allopathic & Osteopathic Physicians
License No.
MD70063680
License State
WA
Taxonomy Description
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.

Secondary Taxonomies

The provider has reported to the NPI enumerator additional taxonomy codes. Multiple taxonomy codes may represent subspecialties or other areas of specialization the provider maybe licensed to practice.

No. Taxonomy Code Type Classification /
Specialization
License No. (State)
1207RG0100XAllopathic & Osteopathic Physicians

Internal Medicine
Gastroenterology

35.132790 (OH)
2207RG0100XAllopathic & Osteopathic Physicians

Internal Medicine
Gastroenterology

036-168165 (IL)

Insurance Plans Accepted

According to publicly available information the provider might be accepting the following health plans from these health insurance companies:

  • Anthem Bronze Pathway 10600 ($0 Virtual PCP + $0 Select Drugs) - HMO
  • Anthem Bronze Pathway 10600 Adult Dental/Vision ($0 Virtual PCP + $0 Select Drugs) - HMO
  • Anthem Bronze Pathway 7500 Standard ($0 Virtual PCP + $0 Select Drugs) - HMO
  • Anthem Bronze Pathway 8500 for HSA - HMO
  • Anthem Gold Pathway 2000 Standard ($0 Virtual PCP + $0 Select Drugs) - HMO
  • Anthem Heart Healthy Bronze Pathway 6000 ($0 Virtual PCP + $0 Select Drugs) - HMO
  • Anthem Heart Healthy Silver Pathway 5000 ($0 Virtual PCP + $0 Select Drugs) - HMO
  • Anthem Silver Pathway 4000 ($0 Virtual PCP + $0 Select Drugs) - HMO
  • Anthem Silver Pathway 4000 Adult Dental/Vision ($0 Virtual PCP + $0 Select Drugs) - HMO
  • Anthem Silver Pathway 5500 for HSA - HMO
  • Anthem Silver Pathway 6000 Standard ($0 Virtual PCP + $0 Select Drugs) - HMO
  • Bronze 7500 $25 Generic Drugs - HMO
  • Bronze 7500 $25 Generic Drugs + Adult Vision & Fitness - HMO
  • Core Gold 1500 $10 Generic Drugs - HMO
  • Core Gold 1500 $10 Generic Drugs + Adult Vision & Fitness - HMO
  • Diabetes Gold 3000 $0 Chronic Care Drugs & Services - HMO
  • Diabetes Gold 3000 $0 Chronic Care Drugs & Services + Adult Vision & Fitness - HMO
  • Diabetes Silver 5000 $0 Chronic Care Drugs & Services - HMO
  • Diabetes Silver 5000 $0 Chronic Care Drugs & Services + Adult Vision & Fitness - HMO
  • Gold 2000 $15 Generic Drugs - HMO
  • Gold 2000 $15 Generic Drugs + Adult Vision & Fitness - HMO
  • HDHP Preventive Silver 5500 $0 Chronic Care Drugs - HMO
  • Healthy Heart Gold 3000 $0 Chronic Care Drugs & Services - HMO
  • Healthy Heart Gold 3000 $0 Chronic Care Drugs & Services + Adult Vision & Fitness - HMO
  • Healthy Heart Silver 5000 $0 Chronic Care Drugs & Services - HMO
  • Healthy Heart Silver 5000 $0 Chronic Care Drugs & Services + Adult Vision & Fitness - HMO
  • Low Premium Bronze 10600 $25 Generic Drugs - HMO
  • Low Premium Bronze 10600 $25 Generic Drugs + Adult Vision & Fitness - HMO
  • Low Premium Silver 6200 $3 Generic Drugs - HMO
  • Low Premium Silver 6200 $3 Generic Drugs + Adult Vision & Fitness - HMO
  • Silver 6000 $20 Generic Drugs - HMO

*Please verify directly with this provider to make sure your insurance plan is currently accepted.

Medicare Participation & PECOS Enrollment Status

Ehsan Chitsaz is registered with Medicare and accepts claims assignment, this means the provider accepts the approved amount for the cost of rendered services as full payment. Participating providers may not charge beneficiaries more than the approved amount for their services. Please keep in mind that beneficiaries still have to pay a coinsurance or copayment amount for a visit or service.

Ehsan Chitsaz is enrolled in PECOS and is eligible to order or refer health care services for Medicare patients. The provider is eligible to order or refer: Part B Clinical Laboratory and Imaging, Durable Medical Equipment (DME), a Home Health Agency (HHA) and Power Mobility Devices.

What is PECOS?
PECOS is the online Medicare enrollment management system or Provider, Enrollment, Chain and Ownership System. The PECOS system is a database of providers who have registered with CMS as providers or suppliers. PECOS is the primary source of information about verified Medicare professionals. Providers that want to participate in this program need to enroll in PECOS with their NPI number to avoid denied claims.

  • Is the provider registered in PECOS? Yes

  • PECOS PAC ID: 1052543451

    What is the PECOS Associate Control ID?
    A PAC ID is a unique 10-digit number assigned to an individual or organization healthcare provider in PECOS. The PAC ID is used to link together all the provider information, like tax identification numbers and organizational names. A PAC ID can be connected to multiple Enrollment IDs if an individual or organization has enrolled in PECOS more than once.

  • PECOS Enrollment ID: I20180511001948, I20260324000110

    What is the Provider Enrollment ID?
    The Enrollment ID is a unique alphanumeric 15-digit code assigned to each new provider's PECOS enrollment application. The Enrollment ID is used to link together all the provider enrollment information like enrollment type, state, provider specialty, and reassignment of benefits.

  • Accepts Medicare Assignment? Yes

    What does it mean "accepts medicare assignment"?
    When a provider accepts Medicare assignment, the provider agrees to be paid directly by Medicare and to accept the payment amount approved by Medicare. Additionally, the provider agrees to not bill patients for more than the Medicare deductible and coinsurance amounts.
    A provider who doesn't accept assignment may charge you up to 15% over the Medicare-approved amount. This is known as the limiting charge. You may have to pay this amount, or it may be covered by another insurer.

  • Eligible to Order or Refer Part B Clinical Laboratory and Imaging: Yes

  • Eligible to Order or Refer Durable Medical Equipment (DMEPOS): Yes

  • Eligible to Order or Refer a Home Health Agency (HHA): Yes

  • Eligible to Order or Refer Power Mobility Devices: Yes

Areas of Expertise

The following services and procedures, recently provided to Medicare patients, illustrate the range of care this provider offers. This list reflects the variety of services available to all patients visiting the practice and is based on 2022 Medicare dataset. In general, the more frequently a provider treats specific conditions or performs particular procedures, the more experienced they become in addressing similar patient needs. The provider has delivered many of the services listed below to Medicare patients. Please note that this list does not include services provided to patients who are not covered by Medicare.

Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope

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.

This service was performed 47 times for 47 patients

Biopsy of large bowel using a flexible endoscope

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.

This service was performed 16 times for 16 patients

Diagnostic exam of esophagus, stomach, and/or upper small bowel using a flexible endoscope

This procedure, known as an upper endoscopy, involves inserting a thin, flexible tube with a camera down the throat to examine the esophagus, stomach, and upper small bowel. It helps diagnose conditions like ulcers or inflammation.

This service was performed 24 times for 23 patients

Diagnostic exam of large bowel using a flexible endoscope

This procedure, known as a colonoscopy, involves using a flexible tube with a light and camera to examine the large intestine. It helps detect any abnormalities such as polyps or inflammation. It's a standard procedure to ensure gut health.

This service was performed 13 times for 12 patients

Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes

Initial hospital inpatient care per day, typically 70 minutes, refers to the daily medical service provided to patients admitted to the hospital. This includes a comprehensive evaluation, diagnosis, treatment plan, and monitoring of your health condition. It ensures your well-being during your hospital stay.

This service was performed 168 times for 165 patients

Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes

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.

This service was performed 17 times for 16 patients

New patient office or other outpatient visit, 45-59 minutes

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.

This service was performed 15 times for 15 patients

Removal of polyps or growths of large bowel using an endoscope with mechanical snare

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.

This service was performed 15 times for 15 patients

Removal of polyps or growths of large bowel using an endoscope with mechanical snare

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.

This service was performed 13 times for 13 patients

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes

Follow-up hospital inpatient care involves daily check-ups while you're admitted in the hospital. Typically, a healthcare provider spends about 25 minutes each day reviewing your condition, adjusting treatment if needed, and answering any questions you might have.

This service was performed 166 times for 102 patients

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes

Follow-up hospital inpatient care per day typically involves a 35-minute check-up by your healthcare provider. This service includes monitoring your health progress, adjusting your treatment plan if needed, and answering any questions you may have about your condition or care.

This service was performed 30 times for 26 patients

Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes

Follow-up hospital inpatient care is a daily service where a healthcare professional checks on your health progress during your hospital stay. Each session typically lasts 15 minutes, involving updates on your condition and adjustments to your treatment plan, if necessary.

This service was performed 43 times for 32 patients

Physician Visit Costs



The typical physician office visit costs for Medicare beneficiaries in this area are: $32.74 for a new patient copayment and $25.19 for an established patient copayment.

The pricing information below displays the copayment minimum, maximum and average amount that patients under Medicare are charged when visiting this provider as a new or established patient. Please keep in mind that these prices are just for reference purposes, and the actual prices charged by the provider might be different.

For patients covered under private health plans the prices below are also useful as healthcare pricing for private insurance is usually established as a function of Medicare prices. Private insurance covered patients should check their individual plans to determine the exact pricing.

The prices below reflect the costs for new and established patients in the 98201 ZIP code area.

New Patients Visit Costs *

The most utilized procedure code for new patients office visits is 99204

  • Average New Patient Price $130.99
  • Minimum New Patient Price $57.27
  • Maximum New Patient Price $172.8
  • Average New Patient Copayment $32.74
  • Minimum New Patient Copayment $14.31
  • Maximum New Patient Copayment $43.2

Established Patients Visit Costs *

The most utilized procedure code for established patients office visits is 99214

  • Average Established Patient Price $100.78
  • Minimum Established Patient Price $18.56
  • Maximum Established Patient Price $141.11
  • Average Established Patient Copayment $25.19
  • Minimum Established Patient Copayment $4.64
  • Maximum Established Patient Copayment $35.27

* The physician office visit costs information is generated by statistical analysis of similar providers in the same geographical area. The pricing information above IS NOT the amount charged by this provider.

Find Provider Hospital Affiliations - Privileges

Doctors and physicians must apply for hospital privileges to treat patients at hospitals. Find out if your doctor has privileges to practice at your preferred hospital by using the hospital affiliation information below based on recent medical claims.

Hospital affiliation is identified through self-reporting data, inpatient, outpatient, physician and ancillary service claims linked by the medical claims NPI number and place of service code. Additionally, to further determine provider hospital affiliation the clinician must have provided services to at least three patients on three different dates in the last 12 months. Ehsan Chitsaz is affiliated with the following medical facilities:

Hospital Name Address Phone Hospital Type Overall Rating
ADVOCATE TRINITY HOSPITAL2320 E 93RD ST
CHICAGO, IL 60617
(773) 967-5002Acute Care Hospitals
MCCULLOUGH-HYDE MEMORIAL HOSPITAL110 NORTH POPLAR STREET
OXFORD, OH 45056
(513) 524-5502Acute Care Hospitals
GOOD SAMARITAN HOSPITAL375 DIXMYTH AVENUE
CINCINNATI, OH 45220
(513) 862-2601Acute Care Hospitals
BETHESDA NORTH10500 MONTGOMERY ROAD
CINCINNATI, OH 45242
(513) 865-5544Acute Care Hospitals
PROVIDENCE REGIONAL MEDICAL CENTER EVERETT1321 COLBY AVENUE
EVERETT, WA 98201
(425) 261-2000Acute Care Hospitals

Reviews for DR. EHSAN CHITSAZ MD

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NPI NPI Number Validation

How NPI Validation Works

The NPI validation process uses the ISO-standard Luhn algorithm, a mathematical "handshake", to ensure that a provider's 10-digit ID is authentic and free of common typing errors.

To verify the NPI 1285993576, we treat the final digit (6) as the Check Digit—the target answer we need to reach. The process begins by taking the first nine digits and adding a constant value of 24, which accounts for the "80840" prefix required for all U.S. health identifiers. We then double every other digit starting from the right and sum the individual digits of those results together. For this specific NPI, that total comes to 74. The final step is to find the difference between that total and the next multiple of ten (80 - 74 = 6).

Digit-by-digit view

Use the first nine digits for the calculation. Starting from the right, double every other digit. The last digit is the check digit and is not part of the calculation.

Pos 1
1
Doubled → 2
Pos 2
2
Unchanged
Pos 3
8
Doubled → 16 → 1 + 6
Pos 4
5
Unchanged
Pos 5
9
Doubled → 18 → 1 + 8
Pos 6
9
Unchanged
Pos 7
3
Doubled → 6
Pos 8
5
Unchanged
Pos 9
7
Doubled → 14 → 1 + 4
Check
6
Target digit
Regular digit Doubled digit Check digit

Step 1: Double every other digit from the right

Starting with the rightmost digit of the first nine digits, double every other value. If doubling creates a two-digit number, add those digits together.

1 → 2 8 → 16 → 7 9 → 18 → 9 3 → 6 7 → 14 → 5

Step 2: Add all digits plus the NPI constant

Add the transformed values, the unchanged digits, and the constant 24.

2 + 2 + 1 + 6 + 5 + 1 + 8 + 9 + 6 + 5 + 1 + 4 + 24 = 74

Step 3: Find the amount needed to reach the next multiple of 10

The next multiple of ten after 74 is 80. The difference is the calculated check digit.

80 - 74 = 6
This NPI is valid
The calculated check digit is 6, which matches the last digit of 1285993576.

Other Providers at the Same Location


The following 20 providers are registered at the same or a nearby location.

Physical Therapist
3927 RUCKER AVE
EVERETT, WA 98201
Internal Medicine (Gastroenterology)
3927 RUCKER AVE
EVERETT, WA 98201
Physician Assistant
3927 RUCKER AVE
EVERETT, WA 98201
Registered Nurse (Registered Nurse First Assistant)
3927 RUCKER AVE
EVERETT, WA 98201
Clinical Nurse Specialist (Medical-Surgical)
3927 RUCKER AVE
EVERETT, WA 98201
Emergency Medicine
3927 RUCKER AVE
EVERETT, WA 98201
Physician Assistant
3927 RUCKER AVE
EVERETT, WA 98201
Registered Nurse (Registered Nurse First Assistant)
3927 RUCKER AVE
EVERETT, WA 98201
Internal Medicine
3927 RUCKER AVE
EVERETT, WA 98201
Internal Medicine (Gastroenterology)
3927 RUCKER AVE
EVERETT, WA 98201
Anesthesiology
3927 RUCKER AVE
EVERETT, WA 98201
Internal Medicine (Gastroenterology)
3927 RUCKER AVE
EVERETT, WA 98201
Anesthesiology
3927 RUCKER AVE
EVERETT, WA 98201
Anesthesiology
3927 RUCKER AVE
EVERETT, WA 98201
Internal Medicine (Gastroenterology)
3927 RUCKER AVE
EVERETT, WA 98201
Internal Medicine (Gastroenterology)
3927 RUCKER AVE
EVERETT, WA 98201
Family Medicine
3927 RUCKER AVE
EVERETT, WA 98201
Family Medicine
3927 RUCKER AVE
EVERETT, WA 98201
Podiatrist (Foot & Ankle Surgery)
3927 RUCKER AVE
EVERETT, WA 98201
Physician Assistant (Medical)
3927 RUCKER AVE
EVERETT, WA 98201

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1285993576, enumerated as an "individual" on May 08, 2012.

The provider is located at 3927 RUCKER AVE EVERETT, WA 98201 and the phone number is (425) 317-3655.

Internal Medicine with taxonomy code 207RG0100X and a focus in Gastroenterology.

The provider might be accepting Accepts: Anthem Blue Cross and Blue Shield and CareSource. Please consult your insurance carrier or call the provider to verify.

Ehsan Chitsaz is affiliated with: ADVOCATE TRINITY HOSPITAL, MCCULLOUGH-HYDE MEMORIAL HOSPITAL, GOOD SAMARITAN HOSPITAL, BETHESDA NORTH and PROVIDENCE REGIONAL MEDICAL CENTER EVERETT.