DR. CHRISTOPHER JOHN CARLSON M.D.
NPI 1821011065
Internal Medicine - Gastroenterology in Seattle, WA

Active since July 26, 2006PECOS EnrolledAccepts Medicare Assignment
82.84/100
CMS Quality Rating
325 9TH AVE, SEATTLE, WA 98104(206) 731-3241 Get Directions Write a Review

NPPES record last updated: April 16, 2021. Verified against the NPPES registry weekly; last sync: July 19, 2026.

About Dr. Christopher John Carlson M.d. NPPES

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

DR. CHRISTOPHER JOHN CARLSON M.D. (NPI 1821011065) is an individual gastroenterology provider in Seattle, Washington, licensed in Washington (MD00042230) and active in the NPI registry since July 2006. He is enrolled in Medicare PECOS, is affiliated with Swedish Medical Center / Cherry Hill, and maintains 2 additional practice locations.

NPPES Registry Identity

NPI1821011065
Entity TypeIndividualMale
Primary Taxonomy207RG0100X
Provider Legal NameDR. CHRISTOPHER JOHN CARLSONCredential: M.D.
Location Address325 9TH AVESeattle, WA 98104-2420
Mailing AddressPo Box 50095Seattle, WA 98145-5095 · (206) 543-6420
Sole ProprietorNo
Medical School CMSState University Of New York At Buffalo School Of MedicineGraduated 1999
Enumeration DateJuly 26, 2006
Last NPPES UpdateApril 16, 2021
NPPES CertifiedApril 16, 2021
NPI 1821011065 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyInternal Medicine · GastroenterologyAllopathic & Osteopathic Physicians
Taxonomy Code207RG0100X
License Licensed in WA · MD00042230
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.

325 9TH AVE, Seattle, WA 98104

Secondary Practice Locations 2

Location 15350 Tallman Ave NWSeattle, WA 98107-5902 · Phone (206) 215-4250 · Fax (206) 215-4252
Location 21221 Madison St Ste 1221Seattle, WA 98104-3588 · Phone (206) 215-4250 · Fax (206) 215-4252

Other Identifiers 2

Medicaid1821011065WA
Other0230817WA · L&i

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. Christopher John Carlson 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 ID2163426669
PECOS Enrollment IDI20060913000536
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 12

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.

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.
38 services37 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.
32 services32 patients
Removal of stone or debris from bile or pancreatic duct using a flexible endoscope 43264
This procedure, called an endoscopic retrograde cholangiopancreatography (ERCP), involves using a flexible tube with a camera (endoscope) to locate and remove stones or debris from your bile or pancreatic duct. It's a non-surgical method to clear the ducts, enhancing your digestive health.
30 services27 patients
Insertion of stent into pancreatic or bile duct using a flexible endoscope 43274
This procedure involves the placement of a tiny tube, known as a stent, into your pancreatic or bile duct. A flexible endoscope, a long, thin instrument with a light and camera, is used. It aids in relieving blockages and improving flow in these ducts.
24 services19 patients
Established patient office or other outpatient visit, 30-39 minutes 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.
22 services20 patients
Established patient office or other outpatient visit, 40-54 minutes 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.
22 services19 patients

Hospital Affiliations CMS Care Compare 3

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

Swedish Medical Center / Cherry Hill

Acute Care Hospitals · Seattle, WA
3/5 CMS rating
OwnershipVoluntary non-profit - Church
CMS Certification Number500025
Location500 17th AvenueSeattle, WA 98122 · King County
Emergency services

Swedish Medical Center

Acute Care Hospitals · Seattle, WA
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number500027
Location747 BroadwaySeattle, WA 98122 · King County
Emergency services Birthing friendly

Swedish Issaquah

Acute Care Hospitals · Issaquah, WA
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number500152
Location751 NE Blakely DrIssaquah, WA 98029 · King County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 98104 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
$143.76 typical visit price
range $63.67 – $189.37
Typical copayment $35.94 (range $15.91 – $47.34)
Most-billed visit code 99204
Established Patient
$111.00 typical visit price
range $21.12 – $155.00
Typical copayment $27.75 (range $5.28 – $38.75)
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.

82.84/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality82.14
Promoting Interoperability100
Improvement Activities40
Cost60.65

Referred Medical Equipment & Supplies CMS DME claims 4

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

Parenteral nutrition solution, not otherwise specified, 10 grams lipids B4185
Other-Enteral and Parenteral · category OB005N
1 supplier51 claims1,496 services$11.14 avg. paid by Medicare
Parenteral nutrition solution; compounded amino acid and carbohydrates with electrolytes, trace elements and vitamins, including preparation, any strength, over 100 grams of protein - premix B4199
Other-Enteral and Parenteral · category OB005N
1 supplier51 claims349 services$320.47 avg. paid by Medicare
Parenteral nutrition supply kit; premix, per day B4220
Other-Enteral and Parenteral · category OB005N
1 supplier51 claims349 services$8.03 avg. paid by Medicare
Parenteral nutrition administration kit, per day B4224
Other-Enteral and Parenteral · category OB005N
1 supplier51 claims349 services$25.07 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.

Pharmacist
325 9TH AVE, BOX 359885
SEATTLE, WA 98104
Emergency Medicine
325 9TH AVE
SEATTLE, WA 98104
Pediatrics (Adolescent Medicine)
325 9TH AVE, BOX 359774
SEATTLE, WA 98104
Internal Medicine (Nephrology)
325 9TH AVE
SEATTLE, WA 98104
Pharmacist (Pharmacotherapy)
325 9TH AVE, HMC PHARMACY MAILSTOP 359912
SEATTLE, WA 98104
Obstetrics & Gynecology
325 9TH AVE
SEATTLE, WA 98104
Surgery (Vascular Surgery)
325 9TH AVE, DIVISION OF VASCULAR SURGERY
SEATTLE, WA 98104
Anesthesiology (Pain Medicine)
325 9TH AVE
SEATTLE, WA 98104

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1821011065, enumerated as an "individual" on July 26, 2006.

The provider is located at 325 9TH AVE SEATTLE, WA 98104 and the phone number is (206) 731-3241.

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

The provider might be accepting Accepts: Premera Blue Cross Blue Shield of Alaska,. Please consult your insurance carrier or call the provider to verify.

Christopher Carlson is affiliated with: SWEDISH MEDICAL CENTER / CHERRY HILL, SWEDISH MEDICAL CENTER and SWEDISH ISSAQUAH.