Active NPI 1194784090 Individual Practitioner Male Practitioner

Dr. Mark W Larson , MD

Specialist • Ellensburg, WA

✓ Accepts Medicare Assignment

Professional Overview & Biography Verified Profile Summary

Dr. Mark Larson, MD is a certified Specialist practicing in Ellensburg, WA. With approximately 37 years of clinical experience since graduating from University Of Kansas School Of Med (Kc/Wich/Sal) in 1989, Dr. Larson delivers high-quality medical care to the local community at 716 E MANITOBA AVE.

Dr. Larson is affiliated with Rural Physicians Group-Pannu Pllc and accepts Medicare assignment.

Frequently performed procedures and clinical services include subsequent hospital care with moderate levelof medical decision making, if using time, at least, initial hospital care with moderate level of medical decision making, if using time, at least, hospital discharge day management, more than. Full Medicare procedure pricing transparency rates and service volume details are listed on this profile.

Practice Location & Contact Primary Location

Practice Address

716 E Manitoba Ave

Ellensburg, WA 989263842

Telephone 5099253151

Associated Practice Facility / Clinic

🏢 The Valley Clinic Llp Facility NPI 1831194265

Medicare Profile & Education

Medical School

University Of Kansas School Of Med (Kc/wich/sal)

Graduation Year

1989

Medicare Assignment

✓ Accepts Assignment

Telehealth Flag

In-Person Only

Specialty Benchmarks & Practice Insights

Comparative analytics for Specialist in Ellensburg, WA

Senior Veteran Specialist (>20 Yrs)

Practitioner Clinical Experience

37 Yrs +1.0 yrs vs City Avg

City Avg: 36.0 Yrs

State Avg: 35.4 Yrs

Regional Practice Density

19 Specialists

Practicing in Ellensburg, WA (2751 Statewide)

Telehealth Adoption Rate

0.0% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount

67.0% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Clinical Seniority & Experience Comparison

Dr. Larson (37 Years) 37 Yrs

Ellensburg Specialty Average (36.0 Years) 36.0 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
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes	221	111	$349.50	$115.48
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	144	131	$505.69	$167.81
99239 Hospital discharge day management, more than 30 minutes	98	89	$338.88	$111.84
99238 Hospital discharge day management, 30 minutes or less	62	60	$240.18	$78.32
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	35	20	$232.35	$76.93
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	18	18	$384.75	$127.35

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes	261	113	$360.12	$119.27
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	163	144	$524.91	$173.84
99239 Hospital discharge day management, more than 30 minutes	146	135	$347.67	$114.39
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	35	17	$239.43	$79.28
99238 Hospital discharge day management, 30 minutes or less	17	17	$245.43	$81.20

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	161	82	$192.22	$70.36
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes	129	50	$313.37	$101.00
99231 Follow-up hospital inpatient care per day, typically 15 minutes	92	34	$93.79	$38.59
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	78	78	$525.56	$195.74
99217 Hospital observation care on day of discharge	53	52	$197.40	$71.45
99239 Hospital discharge day management, more than 30 minutes	49	46	$320.51	$103.18
99220 Hospital observation care, typically 70 minutes	38	37	$486.21	$177.83
99238 Hospital discharge day management, 30 minutes or less	37	37	$173.14	$72.13
99226 Subsequent observation care, typically 35 minutes per day	24	17	$252.50	$100.88
99219 Hospital observation care, typically 50 minutes	19	18	$350.05	$131.67
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	12	11	$366.00	$134.31

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99217 Hospital observation care on day of discharge	34	34	$158.00	$73.38
99238 Hospital discharge day management, 30 minutes or less	20	20	$158.00	$73.32
99219 Hospital observation care, typically 50 minutes	11	11	$247.00	$136.29

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99217 Hospital observation care on day of discharge	52	52	$153.06	$73.43
99219 Hospital observation care, typically 50 minutes	36	36	$236.94	$136.56
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	28	19	$153.00	$72.92
99238 Hospital discharge day management, 30 minutes or less	15	15	$149.73	$73.45
99239 Hospital discharge day management, more than 30 minutes	15	15	$227.27	$108.02
99220 Hospital observation care, typically 70 minutes	12	12	$338.83	$186.38
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	11	11	$289.64	$136.94

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99219 Hospital observation care, typically 50 minutes	47	47	$228.86	$134.27
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	38	24	$147.55	$71.37
99217 Hospital observation care on day of discharge	36	36	$146.00	$72.15
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	19	19	$280.95	$135.03
99238 Hospital discharge day management, 30 minutes or less	13	13	$146.00	$71.87

Medical Specialties & State Licenses

CMS Verified: 2025-05-15

Specialist Primary Specialty

NUCC Taxonomy Code: 174400000X

State License WA 2520900035733

An individual educated and trained in an applied knowledge discipline used in the performance of work at a level requiring knowledge and skills beyond or apart from that provided by a general education or liberal arts degree.

Family Medicine

NUCC Taxonomy Code: 207Q00000X

State License WA MD00035733

Family Medicine is the medical specialty which is concerned with the total health care of the individual and the family. It is the specialty in breadth which integrates the biological, clinical, and behavioral sciences. The scope of family medicine is not limited by age, sex, organ system, or disease entity.

Additional State Medicaid & Healthcare Payer Identifiers

Medicaid State Provider ID

8219073 (WA)

Hospital & Practice Group Affiliations

Rural Physicians Group-Pannu Pllc

603 S Chestnut St, Ellensburg, WA 989263875

Phone: 5099629841

Secondary Practice Locations

603 S Chestnut St

Ellensburg, WA 989263875

Phone: 3033901940

Practice Associates & Co-Workers

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

11 Associated Practitioners

Dr. Wendy Owens , MD

Specialist

NPI 1013958693

Doctor of Medicine (M.D.)

Dr. William Waltner , MD

Internal Medicine - Pulmonary Disease

NPI 1063487239

Doctor of Medicine (M.D.)

Kerri Larson , ARNP

Nurse Practitioner

NPI 1093774937

Advanced Registered Nurse Practitioner

Sonja Huebner , ARNP

Nurse Practitioner - Family

NPI 1114259751

Advanced Registered Nurse Practitioner

Dr. Don Solberg , MD

Specialist

NPI 1306815527

Doctor of Medicine (M.D.)

Paul Wood , PA-C

Physician Assistant - Medical

NPI 1306857149

Physician Assistant (Certified)

Career & Practice History Timeline

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

7 Historical Events

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) April 01, 2025

Family Medicine (License #MD00035733 in WA)

✅

NPI Profile Active March 23, 2010

NPI status registered as active in NPPES database

📍

Updated Practice Location March 23, 2010

Registered at 716 E MANITOBA AVE, ELLENSBURG, WA 989263842 (Tel: 5099253151)

📍

Updated Business Mailing Address March 23, 2010

Registered at 716 E MANITOBA AVE, ELLENSBURG, WA 989263842 (Tel: 5099253151)

👤

Provider Name / Credentials Updated March 23, 2010

Recorded as MARK LARSON, M.D.

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) March 23, 2010

Specialist (License #2520900035733 in WA)

🟢

Initial NPI Registration & Enumeration March 20, 2006

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: 1194784090

Entity Type:

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

Enumeration Date: March 20, 2006

Last Update: May 15, 2025

Sole Proprietor: No

Update or Correct Profile

Mailing Address

716 E Manitoba Ave

Ellensburg, WA 989263842

Phone: 5099253151

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.