Active NPI 1881691905 Individual Practitioner Female Practitioner

Dr. Sara L Hartsaw , MD

Surgery • Gillette, WY

✓ Accepts Medicare Assignment

Professional Overview & Biography Verified Profile Summary

Dr. Sara Hartsaw, MD is a certified Surgery practicing in Gillette, WY. With approximately 41 years of clinical experience since graduating from Creighton University School Of Medicine in 1985, Dr. Hartsaw delivers high-quality medical care to the local community at 3100 W LAKEWAY RD STE 1.

Dr. Hartsaw accepts Medicare assignment.

Frequently performed procedures and clinical services include established patient outpatient office visit, new patient outpatient office visit, follow-up hospital inpatient care per day. Full Medicare procedure pricing transparency rates and service volume details are listed on this profile.

Practice Location & Contact Primary Location

Practice Address

3100 W Lakeway Rd Ste 1

Gillette, WY 827186373

Telephone 3076827555

Fax 3076877243

Associated Practice Facility / Clinic

🏢 High Plains Surgical Associates, P.c. Facility NPI 1194721050

Medicare Profile & Education

Medical School

Creighton University School Of Medicine

Graduation Year

1985

Medicare Assignment

✓ Accepts Assignment

Telehealth Flag

In-Person Only

Specialty Benchmarks & Practice Insights

Comparative analytics for Surgery in Gillette, WY

Senior Veteran Specialist (>20 Yrs)

Practitioner Clinical Experience

41 Yrs +13.7 yrs vs City Avg

City Avg: 27.3 Yrs

State Avg: 24.9 Yrs

Regional Practice Density

6 Specialists

Practicing in Gillette, WY (74 Statewide)

Telehealth Adoption Rate

16.7% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount

83.4% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Clinical Seniority & Experience Comparison

Dr. Hartsaw (41 Years) 41 Yrs

Gillette Specialty Average (27.3 Years) 27.3 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
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	70	65	$101.00	$55.06
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	60	60	$191.00	$107.51
99213 Established patient office or other outpatient visit, typically 15 minutes	40	35	$192.00	$86.23
99231 Follow-up hospital inpatient care per day, typically 15 minutes	30	14	$129.00	$47.23
43239 Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope	28	27	$1395.00	$101.46
99202 New patient office or other outpatient visit, typically 20 minutes	25	25	$138.00	$70.42
45378 Diagnostic exam of large bowel using a flexible endoscope	22	21	$1326.00	$158.65
43235 Diagnostic exam of esophagus, stomach, and/or upper small bowel using a flexible endoscope	13	12	$1204.00	$84.89
G0121 Colorectal cancer screening; colonoscopy on individual not meeting criteria for high risk	13	13	$1331.38	$167.19
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	12	12	$276.00	$161.95

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	85	85	$191.00	$109.29
99213 Established patient office or other outpatient visit, typically 15 minutes	64	58	$192.00	$88.89
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	50	48	$101.00	$55.25
99231 Follow-up hospital inpatient care per day, typically 15 minutes	42	13	$129.00	$48.31
43239 Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope	21	21	$1395.00	$111.84
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	19	19	$276.00	$158.01
45385 Removal of polyps or growths of large bowel using an endoscope with mechanical snare	19	19	$2074.00	$244.55
G0121 Colorectal cancer screening; colonoscopy on individual not meeting criteria for high risk	17	17	$1326.00	$172.12
49505 Repair of groin hernia (5 years or older)	13	13	$3082.00	$499.34
45380 Biopsy of large bowel using an endoscope	13	13	$1602.00	$152.20
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	12	12	$198.00	$120.08

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes	76	58	$187.05	$90.64
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	62	62	$184.95	$111.66
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	33	27	$97.85	$56.59
99231 Follow-up hospital inpatient care per day, typically 15 minutes	25	15	$124.86	$37.97
99202 New patient office or other outpatient visit, typically 20 minutes	24	24	$132.50	$73.28
G0121 Colorectal cancer screening; colonoscopy on individual not meeting criteria for high risk	24	24	$1279.25	$167.63
43239 Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope	23	22	$1348.26	$101.23
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	16	16	$266.59	$166.23
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	14	13	$190.79	$127.48

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99202 New patient office or other outpatient visit, typically 20 minutes	63	63	$132.50	$73.47
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	43	34	$97.00	$56.24
99213 Established patient office or other outpatient visit, typically 15 minutes	40	38	$170.13	$91.91
99231 Follow-up hospital inpatient care per day, typically 15 minutes	39	17	$124.50	$38.11
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	33	33	$181.74	$110.41
43239 Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope	19	19	$1341.25	$98.65
45380 Biopsy of large bowel using an endoscope	13	13	$1540.25	$173.15
G0121 Colorectal cancer screening; colonoscopy on individual not meeting criteria for high risk	13	13	$1275.00	$186.44

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99201 New patient office or other outpatient visit, typically 10 minutes	45	45	$107.00	$46.22
99213 Established patient office or other outpatient visit, typically 15 minutes	34	30	$125.50	$73.23
99231 Follow-up hospital inpatient care per day, typically 15 minutes	31	15	$124.50	$39.70
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	20	20	$97.00	$45.83
43239 Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope	18	18	$1341.25	$110.65
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	16	16	$183.50	$108.47
99202 New patient office or other outpatient visit, typically 20 minutes	11	11	$132.50	$76.44

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99201 New patient office or other outpatient visit, typically 10 minutes	70	70	$107.00	$44.47
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	43	42	$97.00	$43.89
99213 Established patient office or other outpatient visit, typically 15 minutes	29	29	$125.50	$70.71
43239 Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope	27	26	$1341.25	$99.81
99231 Follow-up hospital inpatient care per day, typically 15 minutes	21	14	$124.50	$37.86
45385 Removal of polyps or growths of large bowel using an endoscope with mechanical snare	16	16	$1994.00	$253.26
99202 New patient office or other outpatient visit, typically 20 minutes	14	14	$132.50	$74.27
47563 Removal of gallbladder with x-ray study of bile ducts using an endoscope	11	11	$4656.25	$326.35
45380 Biopsy of large bowel using an endoscope	11	11	$1540.25	$199.60
45378 Diagnostic exam of large bowel using a flexible endoscope	11	11	$1275.00	$184.44

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99201 New patient office or other outpatient visit, typically 10 minutes	52	52	$106.92	$42.05
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	40	35	$96.55	$41.41
99213 Established patient office or other outpatient visit, typically 15 minutes	33	28	$125.27	$68.94
99231 Follow-up hospital inpatient care per day, typically 15 minutes	25	13	$124.40	$33.84
43239 Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope	18	18	$1339.79	$104.67
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	16	16	$183.06	$101.39
47562 Removal of gallbladder using an endoscope	12	12	$4360.50	$231.55
45385 Removal of polyps or growths of large bowel using an endoscope with mechanical snare	12	12	$1987.50	$247.78
45378 Diagnostic exam of large bowel using a flexible endoscope	12	12	$1272.92	$172.39

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99201 New patient office or other outpatient visit, typically 10 minutes	54	54	$99.28	$41.21
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	30	27	$93.80	$40.73
43239 Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope	19	18	$1191.89	$110.62
99231 Follow-up hospital inpatient care per day, typically 15 minutes	18	12	$114.00	$36.76
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	14	14	$174.86	$101.02

Medical Specialties & State Licenses

CMS Verified: 2020-10-28

Surgery Primary Specialty

NUCC Taxonomy Code: 208600000X

State License WY 4519A

A general surgeon has expertise related to the diagnosis - preoperative, operative and postoperative management - and management of complications of surgical conditions in the following areas: alimentary tract; abdomen; breast, skin and soft tissue; endocrine system; head and neck surgery; pediatric surgery; surgical critical care; surgical oncology; trauma and burns; and vascular surgery. General surgeons increasingly provide care through the use of minimally invasive and endoscopic techniques. Many general surgeons also possess expertise in transplantation surgery, plastic surgery and cardiothoracic surgery.

Additional State Medicaid & Healthcare Payer Identifiers

Medicaid State Provider ID

104231900 (WY)

Practice Associates & Co-Workers

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

22 Associated Practitioners

Brian Austin , CRNA

Nurse Anesthetist, Certified Registered

NPI 1114016193

Certified Registered Nurse Anesthetist

Dr. William Forman , MD

Anesthesiology

NPI 1164511143

Doctor of Medicine (M.D.)

Nancy Day , LPC NCSC

Counselor - Professional

NPI 1215005038

LPCNCSC

Daniel Clouston , ORT, CHT

Physical Therapist

NPI 1407804180

ORT, Certified Hand Therapist

Dr. Joseph Lawrence , DO

Radiology - Diagnostic Radiology

NPI 1417953373

Doctor of Osteopathic Medicine (D.O.)

Dr. Alan Mitchell , MD

Radiology - Diagnostic Radiology

NPI 1447257720

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 October 28, 2020

Registered at 3100 W LAKEWAY RD STE 1, GILLETTE, WY 827186373 (Tel: 3076827555)

✅

NPI Profile Active July 08, 2007

NPI status registered as active in NPPES database

📍

Updated Practice Location July 08, 2007

Registered at 1206 W 4TH ST, SUITE #2, GILLETTE, WY 827163300 (Tel: 3076827555)

📍

Updated Business Mailing Address July 08, 2007

Registered at PO BOX 1272, GILLETTE, WY 827171272 (Tel: 3076827555)

👤

Provider Name / Credentials Updated July 08, 2007

Recorded as SARA HARTSAW, MD

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) July 08, 2007

Surgery (License #4519A in WY)

🟢

Initial NPI Registration & Enumeration July 05, 2005

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. Sara Hartsaw. 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: 1881691905

Entity Type:

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

Enumeration Date: July 05, 2005

Last Update: October 28, 2020

Sole Proprietor: No

Update or Correct Profile

Mailing Address

Po Box 1272

Gillette, WY 827171272

Phone: 3076827555

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.