Dr. Fredrick Sungjae An , DO
Internal Medicine • Olympia, WA
Professional Overview & Biography Verified Profile Summary
Dr. Fredrick An, DO is a certified Internal Medicine practicing in Olympia, WA. With approximately 18 years of clinical experience since graduating from College Of Osteo Med Of The Pacific At Pomona in 2008, Dr. An delivers high-quality medical care to the local community at 413 LILLY RD NE.
Dr. An maintains professional affiliations with Franciscan Medical Group, Kaiser Foundation Health Plan Of Washington 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, hospital discharge day management, more than, initial hospital care with moderate level of medical decision making, if using time, at least. Full Medicare procedure pricing transparency rates and service volume details are listed on this profile.
Practice Location & Contact Primary Location
413 Lilly Rd Ne
Olympia, WA 985065166
Medicare Profile & Education
College Of Osteo Med Of The Pacific At Pomona
2008
✓ Accepts Assignment
In-Person Only
Specialty Benchmarks & Practice Insights
Comparative analytics for Internal Medicine in Olympia, WA
Practicing in Olympia, WA (3169 Statewide)
In-Person Office Visits Only
Under CMS Medicare Fee Schedule vs Standard Submitted Charges
Clinical Seniority & Experience Comparison
Performed Procedures & Service Volume
Top Medicare Part B procedures performed by this practitioner
| 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
|
72 | 30 | $184.00 | $73.20 |
|
99233
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes
|
24 | 14 | $265.00 | $105.26 |
|
99239
Hospital discharge day management, more than 30 minutes
|
15 | 15 | $272.00 | $108.94 |
Medical Specialties & State Licenses
CMS Verified: 2025-03-19NUCC Taxonomy Code: 207R00000X
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
NUCC Taxonomy Code: 207R00000X
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
NUCC Taxonomy Code: 208M00000X
Hospitalists are physicians whose primary professional focus is the general medical care of hospitalized patients. Their activities include patient care, teaching, research, and leadership related to Hospital Medicine. The term 'hospitalist' refers to physicians whose practice emphasizes providing care for hospitalized patients.
Additional State Medicaid & Healthcare Payer Identifiers
Hospital & Practice Group Affiliations
Kaiser Foundation Health Plan Of Washington
413 Lilly Rd Ne, Olympia, WA 985065133
Phone: 3604979480
Franciscan Medical Group
1717 S J St, Tacoma, WA 984054933
Phone: 2534266341
Secondary Practice Locations
24800 Se Stark St
Gresham, OR 970303378
Phone: 5034138407
1717 S J St
Tacoma, WA 984054933
Phone: 2534266341
Practice Associates & Co-Workers
Healthcare professionals and specialists practicing at this location or sharing practice phone/fax
Emergency Medicine
Doctor of Medicine (M.D.)
Nurse Practitioner
Social Worker - Clinical
Licensed Independent Clinical Social Worker
Physician Assistant
Physician Assistant (Certified)
Emergency Medicine
Doctor of Medicine (M.D.)
Nurse Practitioner - Family
Advanced Registered Nurse Practitioner
Career & Practice History Timeline
Chronological log of verified NPI updates, location relocations, credentials, and registry changes
Registered at 413 LILLY RD NE, OLYMPIA, WA 985065166 (Tel: 3604919480)
Registered at 413 LILLY RD NE, OLYMPIA, WA 985065166 (Tel: 3604919480)
Internal Medicine (License #DO29350 in OR)
Recorded as FREDRICK AN, DO
Internal Medicine (License #OP61580368 in WA)
Internal Medicine (License #DO29350 in OR)
NPI status registered as active in NPPES database
Registered at 24800 SE STARK ST, GRESHAM, OR 970303378 (Tel: 5034138407)
Registered at 24800 SE STARK ST, GRESHAM, OR 970303378 (Tel: 5034138407)
Recorded as FREDRICK AN
Hospitalist (License #DO29350 in OR)
First registered as active Individual Practitioner in NPPES Database.
Patient & Community Reviews
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NPI Administrative Meta
Mailing Address
413 Lilly Rd Ne
Olympia, WA 985065166
Phone: 3604919480
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.