Active NPI 1598054355 Individual Practitioner Male Practitioner

Dr. Ulrik Georg Wallin , MD

Colon & Rectal Surgery • Seattle, WA

✓ Accepts Medicare Assignment Telehealth Available

Professional Overview & Biography Verified Profile Summary

Dr. Ulrik Wallin, MD is a certified Colon & Rectal Surgery practicing in Seattle, WA. With approximately 29 years of clinical experience since completing medical education in 1997, Dr. Wallin delivers high-quality medical care to the local community at 1101 MADISON ST STE 510.

Dr. Wallin maintains professional affiliations with The Polyclinic Pllc, Swedish Health Services and accepts Medicare assignment . Telehealth and virtual consultation options are available for eligible patients.

Frequently performed procedures and clinical services include new patient outpatient office visit, removal of polyps or growths of large bowel using an endoscope with mechanical snare, established patient outpatient office visit. Full Medicare procedure pricing transparency rates and service volume details are listed on this profile.

Practice Location & Contact Primary Location

Practice Address

1101 Madison St Ste 510

Seattle, WA 981043557

Telephone 2063866600

Fax 2063862452

Associated Practice Facility / Clinic

🏢 Dynacare Northwest, Inc Facility NPI 1942504402

Medicare Profile & Education

Medical School

Other

Graduation Year

1997

Medicare Assignment

✓ Accepts Assignment

Telehealth Flag

Telehealth Services Available

Specialty Benchmarks & Practice Insights

Comparative analytics for Colon & Rectal Surgery in Seattle, WA

Senior Veteran Specialist (>20 Yrs)

Practitioner Clinical Experience

29 Yrs +9.9 yrs vs City Avg

City Avg: 19.1 Yrs

State Avg: 20.0 Yrs

Regional Practice Density

18 Specialists

Practicing in Seattle, WA (46 Statewide)

Telehealth Adoption Rate

55.6% Regional Adoption

✓ Offers Virtual Consultations

Medicare Pricing Discount

81.1% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Clinical Seniority & Experience Comparison

Dr. Wallin (29 Years) 29 Yrs

Seattle Specialty Average (19.1 Years) 19.1 Yrs

Performed Procedures & Service Volume

Top Medicare Part B procedures performed by this practitioner

CMS Official Data (2024)

Reporting Year:

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	40	40	$482.00	$182.66
45385 Removal of polyps or growths of large bowel using an endoscope with mechanical snare	32	32	$1991.44	$264.75
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	30	23	$344.80	$140.82
46600 Diagnostic examination of the anus using an endoscope	30	28	$315.10	$134.09
99213 Established patient office or other outpatient visit, typically 15 minutes	24	20	$241.69	$100.22
45380 Biopsy of large bowel using an endoscope	22	22	$1752.00	$87.05
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	16	16	$320.34	$122.79
G0105 Colorectal cancer screening; colonoscopy on individual at high risk	12	12	$1677.00	$192.79
99205 New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more	11	11	$615.43	$239.92

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
46600 Diagnostic examination of the anus using an endoscope	66	62	$306.00	$138.74
45385 Removal of polyps or growths of large bowel using an endoscope with mechanical snare	49	49	$1976.00	$257.41
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	32	32	$482.00	$177.17
45380 Biopsy of large bowel using an endoscope	28	28	$1752.00	$114.06
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	26	22	$313.00	$140.21
99213 Established patient office or other outpatient visit, typically 15 minutes	22	19	$212.00	$99.51
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	21	21	$314.00	$121.29
G0105 Colorectal cancer screening; colonoscopy on individual at high risk	17	16	$1677.00	$187.91

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
46600 Diagnostic examination of the anus using an endoscope	49	49	$306.00	$143.26
45380 Biopsy of large bowel using an endoscope	45	45	$1752.00	$144.31
99213 Established patient office or other outpatient visit, typically 15 minutes	45	29	$212.00	$98.69
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	43	43	$314.00	$120.77
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	31	24	$313.00	$140.99
45385 Removal of polyps or growths of large bowel using an endoscope with mechanical snare	28	28	$1976.00	$264.93
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	17	17	$482.00	$174.35
99205 New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more	14	14	$600.00	$242.18
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	13	13	$419.00	$194.52

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
46600 Diagnostic examination of the anus using an endoscope	45	44	$306.00	$144.39
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	38	38	$314.00	$124.81
45380 Biopsy of large bowel using an endoscope	37	37	$1752.00	$152.77
99213 Established patient office or other outpatient visit, typically 15 minutes	28	22	$212.00	$98.41
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	25	20	$313.00	$139.26
45385 Removal of polyps or growths of large bowel using an endoscope with mechanical snare	22	22	$1976.00	$275.25
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	19	19	$482.00	$185.21
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	16	14	$419.00	$200.23
99205 New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more	15	15	$600.00	$244.07
36415 Insertion of needle into vein for collection of blood sample	14	12	$15.00	$2.79

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
46600 Diagnostic examination of the anus using an endoscope	36	35	$306.00	$121.41
99213 Established patient office or other outpatient visit, typically 15 minutes	29	19	$212.00	$83.89
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	29	28	$313.00	$121.61
45380 Biopsy of large bowel using an endoscope	23	23	$1752.00	$106.60
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	22	17	$419.00	$162.27
45385 Removal of polyps or growths of large bowel using an endoscope with mechanical snare	20	20	$1976.00	$284.36
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	19	19	$314.00	$120.31
36415 Insertion of needle into vein for collection of blood sample	16	12	$15.00	$2.97
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	13	13	$482.00	$181.96
99205 New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more	13	13	$600.00	$230.69

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
46600 Diagnostic examination of the anus using an endoscope	72	66	$306.00	$108.39
G0500 Moderate sedation services provided by the same physician or other qualified health care professional performing a gastrointestinal endoscopic service that sedation supports, requiring the presence of an independent trained observer to assist in the monito	44	43	$162.00	$6.01
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	42	41	$314.00	$118.67
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	42	34	$313.00	$119.03
45380 Biopsy of large bowel using an endoscope	32	32	$1752.00	$126.86
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	31	31	$482.00	$178.96
99213 Established patient office or other outpatient visit, typically 15 minutes	28	24	$212.00	$81.52
45385 Removal of polyps or growths of large bowel using an endoscope with mechanical snare	23	23	$1976.00	$274.07
36415 Insertion of needle into vein for collection of blood sample	22	17	$15.00	$2.94
82378 Carcinoembryonic antigen (cea) protein level	15	13	$60.00	$20.65
99205 New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more	12	12	$600.00	$224.42
80048 Blood test, basic group of blood chemicals (calcium, total)	12	11	$27.00	$9.21
G0105 Colorectal cancer screening; colonoscopy on individual at high risk	11	11	$1677.00	$205.23
G0121 Colorectal cancer screening; colonoscopy on individual not meeting criteria for high risk	11	11	$1677.00	$205.56

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
46600 Diagnostic examination of the anus using an endoscope	64	62	$306.00	$99.68
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	50	50	$296.14	$114.58
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	34	32	$300.82	$116.54
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	33	33	$454.36	$177.05
99213 Established patient office or other outpatient visit, typically 15 minutes	29	24	$205.55	$79.18
G0500 Moderate sedation services provided by the same physician or other qualified health care professional performing a gastrointestinal endoscopic service that sedation supports, requiring the presence of an independent trained observer to assist in the monito	24	24	$162.00	$5.94
45380 Biopsy of large bowel using an endoscope	16	15	$1752.00	$157.65
99153 Use of a drug to induce depression of consciousness by physician performing a procedure, each additional 15 minutes	16	11	$30.00	$12.51
36415 Insertion of needle into vein for collection of blood sample	14	12	$15.00	$2.94
45385 Removal of polyps or growths of large bowel using an endoscope with mechanical snare	11	11	$1976.00	$279.74

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
46600 Diagnostic examination of the anus using an endoscope	28	27	$306.00	$95.12
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	27	27	$267.00	$112.68
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	18	18	$406.00	$174.17
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	15	15	$267.00	$115.11
99213 Established patient office or other outpatient visit, typically 15 minutes	15	12	$195.00	$78.54
44204 Partial removal of large bowel using an endoscope	12	12	$4648.17	$1384.69
99205 New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more	11	11	$512.00	$218.50

Medical Specialties & State Licenses

CMS Verified: 2026-04-23

Colon & Rectal Surgery Primary Specialty

NUCC Taxonomy Code: 208C00000X

State License WA MD60553312

A colon and rectal surgeon is trained to diagnose and treat various diseases of the intestinal tract, colon, rectum, anal canal and perianal area by medical and surgical means. This specialist also deals with other organs and tissues (such as the liver, urinary and female reproductive system) involved with primary intestinal disease.

Additional State Medicaid & Healthcare Payer Identifiers

Medicaid State Provider ID

2047912 (WA)

Hospital & Practice Group Affiliations

The Polyclinic Pllc

1145 Broadway, Seattle, WA 981224201

Phone: 2063291760

Swedish Health Services

1221 Madison St, Seattle, WA 981041356

Phone: 2062154250

Secondary Practice Locations

1801 Nw Market St Ste 207

Seattle, WA 981073909

Phone: 2063207330

Practice Associates & Co-Workers

Healthcare professionals and specialists practicing at this location or sharing practice phone/fax

17 Associated Practitioners

Dr. Lindsay Sceats , MD

Colon & Rectal Surgery

NPI 1023405487

Doctor of Medicine (M.D.)

Anna Pagliaro , ARNP

Nurse Practitioner

NPI 1124738430

Advanced Registered Nurse Practitioner

Dr. Tammy Luan , MD

Colon & Rectal Surgery

NPI 1134756190

Doctor of Medicine (M.D.)

Dr. Joyce Pang , MD

Colon & Rectal Surgery

NPI 1164956959

Doctor of Medicine (M.D.)

Dr. Crystal Koerner , MD

Colon & Rectal Surgery

NPI 1235524703

Doctor of Medicine (M.D.)

Dr. Abhinav Gupta , MD

Surgery

NPI 1376103580

Doctor of Medicine (M.D.)

Career & Practice History Timeline

Chronological log of verified NPI updates, location relocations, credentials, and registry changes

9 Historical Events

📍

Updated Practice Location April 23, 2026

Registered at 1101 MADISON ST STE 510, SEATTLE, WA 981043557 (Tel: 2063866600)

📍

Updated Business Mailing Address April 23, 2026

Registered at PO BOX 25608, SALT LAKE CITY, UT 841250608 (Tel: 2063204476)

👤

Provider Name / Credentials Updated April 23, 2026

Recorded as ULRIK WALLIN, MD

✅

NPI Profile Active August 11, 2015

NPI status registered as active in NPPES database

📍

Updated Practice Location August 11, 2015

Registered at 1145 BROADWAY, SEATTLE, WA 981224201 (Tel: 2068604440)

📍

Updated Business Mailing Address August 11, 2015

Registered at 1145 BROADWAY, SEATTLE, WA 981224201 (Tel: 2068604440)

👤

Provider Name / Credentials Updated August 11, 2015

Recorded as ULRIK WALLIN, M.D

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) August 11, 2015

Colon & Rectal Surgery (License #MD60553312 in WA)

🟢

Initial NPI Registration & Enumeration April 01, 2011

First registered as active Individual Practitioner in NPPES Database.

Patient & Community Reviews

Verified patient ratings, medical care experiences, and facility photos

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NPI Administrative Meta

NPI Number: 1598054355

Entity Type:

Individual Provider Physician, Nurse Practitioner, or Solo Healthcare Professional (Type 1 NPI)

Enumeration Date: April 01, 2011

Last Update: April 23, 2026

Sole Proprietor: No

Update or Correct Profile

Mailing Address

Po Box 25608

Salt Lake City, UT 841250608

Phone: 2063204476

Public Domain Record This profile contains public domain information published by CMS and NPPES under the Freedom of Information Act (FOIA).

⚠️ Medical Disclaimer

This directory listing is for informational purposes only and does not constitute medical advice, diagnosis, or physician endorsement. If you are experiencing a medical emergency, please call 911 immediately.