Active NPI 1265668263 Individual Practitioner Male Practitioner

Dr. Davis L Sim , MD PHD

Internal Medicine - Gastroenterology • Springfield, OR

✓ Accepts Medicare Assignment Telehealth Available

Professional Overview & Biography Verified Profile Summary

Dr. Davis Sim, MD PHD is a certified Internal Medicine - Gastroenterology practicing in Springfield, OR. With approximately 17 years of clinical experience since graduating from University Of Virginia School Of Medicine in 2009, Dr. Sim delivers high-quality medical care to the local community at 3355 RIVERBEND DR 500.

Dr. Sim is affiliated with Eugene Gastroenterology Consultants Pc and accepts Medicare assignment . Telehealth and virtual consultation options are available for eligible patients.

Frequently performed procedures and clinical services include pathology examination of tissue using a microscope, intermediate complexity, biopsy of large bowel using an endoscope, removal of polyps or growths of large bowel using an endoscope with mechanical snare. Full Medicare procedure pricing transparency rates and service volume details are listed on this profile.

Practice Location & Contact Primary Location

Practice Address

3355 Riverbend Dr 500

Springfield, OR 97477

Telephone 5418689506

Fax 5416855920

Medicare Profile & Education

Medical School

University Of Virginia School Of Medicine

Graduation Year

2009

Medicare Assignment

✓ Accepts Assignment

Telehealth Flag

Telehealth Services Available

Specialty Benchmarks & Practice Insights

Comparative analytics for Internal Medicine - Gastroenterology in Springfield, OR

Established Specialist (10-20 Yrs)

Practitioner Clinical Experience

17 Yrs -5.6 yrs vs City Avg

City Avg: 22.6 Yrs

State Avg: 28.0 Yrs

Regional Practice Density

21 Specialists

Practicing in Springfield, OR (284 Statewide)

Telehealth Adoption Rate

52.4% Regional Adoption

✓ Offers Virtual Consultations

Medicare Pricing Discount

84.9% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Clinical Seniority & Experience Comparison

Dr. Sim (17 Years) 17 Yrs

Springfield Specialty Average (22.6 Years) 22.6 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
88305 Pathology examination of tissue using a microscope, intermediate complexity	250	157	$239.00	$34.03
45380 Biopsy of large bowel using an endoscope	105	105	$1584.00	$89.38
45385 Removal of polyps or growths of large bowel using an endoscope with mechanical snare	78	78	$1783.00	$227.51
G2211 Visit complexity inherent to evaluation and management associated with medical care services that serve as the continuing focal point for all needed health care services and/or with medical care services that are part of ongoing care related to a patient's	72	49	$58.00	$15.51
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	70	50	$356.00	$123.56
43239 Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope	60	60	$1161.00	$95.52
99213 Established patient office or other outpatient visit, typically 15 minutes	44	40	$241.00	$86.27
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	26	26	$154.00	$4.93
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	21	21	$550.00	$160.25
G0105 Colorectal cancer screening; colonoscopy on individual at high risk	20	20	$1329.00	$171.81
91010 Study of esophagus to assess movement	17	17	$234.00	$60.98
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	13	13	$361.00	$106.59
88313 Special stained specimen slides to examine tissue including interpretation and report	12	11	$186.00	$64.74

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
88305 Pathology examination of tissue using a microscope, intermediate complexity	286	150	$239.00	$33.35
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	136	132	$154.00	$4.98
45380 Biopsy of large bowel using an endoscope	100	99	$1584.00	$80.92
45385 Removal of polyps or growths of large bowel using an endoscope with mechanical snare	87	87	$1783.00	$238.02
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	73	53	$356.00	$120.14
43239 Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope	62	62	$1161.00	$84.50
99213 Established patient office or other outpatient visit, typically 15 minutes	40	38	$241.00	$85.34
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	15	15	$553.73	$150.85
88313 Special stained specimen slides to examine tissue including interpretation and report	12	12	$186.00	$67.20

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
88305 Pathology examination of tissue using a microscope, intermediate complexity	349	152	$239.00	$31.28
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	143	141	$154.00	$4.88
45380 Biopsy of large bowel using an endoscope	116	116	$1584.00	$80.08
45385 Removal of polyps or growths of large bowel using an endoscope with mechanical snare	90	90	$1783.00	$232.67
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	63	45	$356.00	$112.60
43239 Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope	59	59	$1161.00	$82.32
99213 Established patient office or other outpatient visit, typically 15 minutes	46	42	$241.00	$79.85
99442 Telephone medical discussion with physician, 11-20 minutes	23	20	$224.00	$84.69
99443 Telephone medical discussion with physician, 21-30 minutes	20	15	$324.00	$115.54
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	18	18	$669.00	$181.77
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	15	15	$550.00	$146.98
91010 Study of esophagus to assess movement	11	11	$234.00	$61.03

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
88305 Pathology examination of tissue using a microscope, intermediate complexity	422	161	$239.00	$32.22
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	153	149	$154.00	$5.24
45380 Biopsy of large bowel using an endoscope	126	124	$1584.00	$77.73
45385 Removal of polyps or growths of large bowel using an endoscope with mechanical snare	99	95	$1783.00	$247.98
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	75	56	$356.00	$126.98
43239 Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope	59	57	$1161.00	$93.28
99213 Established patient office or other outpatient visit, typically 15 minutes	53	39	$241.00	$88.53
99442 Telephone medical discussion with physician, 11-20 minutes	30	26	$224.00	$89.59
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	24	19	$480.00	$170.62
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	19	19	$669.00	$194.88
91010 Study of esophagus to assess movement	15	15	$234.00	$64.80
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	14	14	$455.00	$132.10
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	14	14	$550.00	$158.72
99443 Telephone medical discussion with physician, 21-30 minutes	13	11	$324.00	$127.34
45381 Injection beneath lining of large bowel using a flexible endoscope	12	12	$1580.00	$30.49

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
88305 Pathology examination of tissue using a microscope, intermediate complexity	325	130	$239.00	$30.86
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	163	153	$154.00	$5.48
45380 Biopsy of large bowel using an endoscope	97	96	$1584.00	$94.77
43239 Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope	72	68	$1161.00	$99.31
45385 Removal of polyps or growths of large bowel using an endoscope with mechanical snare	64	63	$1783.00	$257.31
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	58	46	$356.00	$105.04
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	45	31	$480.00	$139.26
99213 Established patient office or other outpatient visit, typically 15 minutes	35	30	$241.00	$73.88
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	30	30	$669.00	$201.74
99205 New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more	21	21	$683.00	$205.24
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	12	12	$550.00	$159.46
43235 Diagnostic exam of esophagus, stomach, and/or upper small bowel using a flexible endoscope	11	11	$1004.00	$101.20

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
88305 Pathology examination of tissue using a microscope, intermediate complexity	373	169	$239.00	$28.87
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	215	205	$154.00	$5.47
45380 Biopsy of large bowel using an endoscope	128	126	$1584.00	$100.11
43239 Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope	78	77	$1161.00	$103.65
45385 Removal of polyps or growths of large bowel using an endoscope with mechanical snare	78	75	$1783.00	$254.62
99213 Established patient office or other outpatient visit, typically 15 minutes	77	61	$241.00	$71.88
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	46	45	$669.00	$198.29
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	42	40	$356.00	$106.16
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	34	24	$480.00	$140.18
91010 Study of esophagus to assess movement	23	23	$234.00	$64.71
45378 Diagnostic exam of large bowel using a flexible endoscope	14	14	$1329.00	$173.26
88313 Special stained specimen slides to examine tissue including interpretation and report	13	13	$186.00	$56.10
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	13	13	$455.00	$134.14
43235 Diagnostic exam of esophagus, stomach, and/or upper small bowel using a flexible endoscope	11	11	$1004.00	$101.02

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
88305 Pathology examination of tissue using a microscope, intermediate complexity	330	150	$239.00	$28.79
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	193	184	$154.00	$5.46
99153 Use of a drug to induce depression of consciousness by physician performing a procedure, each additional 15 minutes	127	88	$33.00	$10.52
45380 Biopsy of large bowel using an endoscope	109	107	$1584.00	$97.02
99213 Established patient office or other outpatient visit, typically 15 minutes	92	79	$241.00	$70.52
45385 Removal of polyps or growths of large bowel using an endoscope with mechanical snare	76	75	$1783.00	$253.35
43239 Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope	61	61	$1161.00	$106.09
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	60	44	$480.00	$142.14
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	33	33	$669.00	$199.20
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	29	27	$356.00	$105.22
99221 Initial hospital inpatient care per day, typically 30 minutes	18	18	$337.00	$99.41
45381 Injection beneath lining of large bowel using a flexible endoscope	17	17	$1580.00	$16.38
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	$683.00	$202.19
43235 Diagnostic exam of esophagus, stomach, and/or upper small bowel using a flexible endoscope	14	14	$1004.00	$119.73

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
88305 Pathology examination of tissue using a microscope, intermediate complexity	416	169	$239.00	$28.25
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	205	195	$154.00	$5.41
99153 Use of a drug to induce depression of consciousness by physician performing a procedure, each additional 15 minutes	157	107	$33.00	$10.47
45380 Biopsy of large bowel using an endoscope	123	123	$1584.00	$125.52
43239 Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope	84	82	$1161.00	$89.83
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	68	48	$480.00	$137.82
99213 Established patient office or other outpatient visit, typically 15 minutes	62	60	$241.00	$70.51
45385 Removal of polyps or growths of large bowel using an endoscope with mechanical snare	59	58	$1783.00	$251.72
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	37	33	$356.00	$102.12
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	35	35	$669.00	$197.91
45381 Injection beneath lining of large bowel using a flexible endoscope	30	29	$1580.00	$28.45
99205 New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more	16	16	$683.00	$200.97
43248 Insertion of guide wire with dilation of esophagus using a flexible endoscope	15	15	$1175.00	$142.13
99231 Follow-up hospital inpatient care per day, typically 15 minutes	15	13	$131.00	$38.33
43235 Diagnostic exam of esophagus, stomach, and/or upper small bowel using a flexible endoscope	13	13	$1004.00	$104.47
88313 Special stained specimen slides to examine tissue including interpretation and report	12	12	$186.00	$55.24
99221 Initial hospital inpatient care per day, typically 30 minutes	11	11	$337.00	$98.76
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	11	11	$361.00	$104.83
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	11	11	$550.00	$150.39

Medical Specialties & State Licenses

Internal Medicine - Gastroenterology Primary Specialty

NUCC Taxonomy Code: 207RG0100X

State License OR MD172163

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.

Hospital & Practice Group Affiliations

Eugene Gastroenterology Consultants Pc

3355 Riverbend Dr, Springfield, OR 974778800

Phone: 5418689500

Practice Associates & Co-Workers

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

21 Associated Practitioners

Dr. Donald Yang , MD

Internal Medicine - Gastroenterology

NPI 1023037306

Doctor of Medicine (M.D.)

Dr. Terrence Lee , MD

Internal Medicine - Gastroenterology

NPI 1083977607

Doctor of Medicine (M.D.)

Dr. Ryan De Lee , MD

Internal Medicine - Gastroenterology

NPI 1104920693

Doctor of Medicine (M.D.)

Rebecca Howard , PA-C

Physician Assistant

NPI 1215106877

Physician Assistant (Certified)

Kimberly Hanson , ANP

Nurse Practitioner - Family

NPI 1265451561

Adult Nurse Practitioner

Dr. Jubeen Moaven , MD

Internal Medicine - Gastroenterology

NPI 1346401445

Doctor of Medicine (M.D.)

Career & Practice History Timeline

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

7 Historical Events

📍

Updated Practice Location May 18, 2018

Registered at 3355 RIVERBEND DR 500, SPRINGFIELD, OR 97477 (Tel: 5418689506)

✅

NPI Profile Active March 14, 2016

NPI status registered as active in NPPES database

📍

Updated Practice Location March 14, 2016

Registered at 3355 RIVERBEND DR 500, SPRINGFIELD, OR 974778800 (Tel: 5418689506)

📍

Updated Business Mailing Address March 14, 2016

Registered at 3355 RIVERBEND DR 500, SPRINGFIELD, OR 974778800 (Tel: 5418689506)

👤

Provider Name / Credentials Updated March 14, 2016

Recorded as DAVIS SIM, MD PHD

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) March 14, 2016

Internal Medicine (License #MD172163 in OR)

🟢

Initial NPI Registration & Enumeration June 04, 2009

First registered as active Individual Practitioner in NPPES Database.

Patient & Community Reviews

Verified patient ratings, medical care experiences, and facility photos

0 Reviews

No patient reviews submitted yet for Dr. Davis Sim. Be the first to share your experience!

Only verified registered users can submit ratings, post feedback, and upload facility photos.

NPI Administrative Meta

NPI Number: 1265668263

Entity Type:

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

Enumeration Date: June 04, 2009

Last Update: May 18, 2018

Sole Proprietor: Yes

Update or Correct Profile

Mailing Address

3355 Riverbend Dr 500

Springfield, OR 974778800

Phone: 5418689500

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.