Active NPI 1275558215 Individual Practitioner Female Practitioner

Dr. Kathryn F Hatch , MD

Surgery • Billings, MT

✓ Accepts Medicare Assignment

Public Directory Information & Medical Disclaimer

This profile is compiled from official public domain records provided by CMS and the NPPES registry. TRUE-MEDINFO is an independent reference directory and does not provide medical advice, diagnosis, or treatment recommendations. Always consult a licensed medical professional for personal health decisions.

Professional Overview & Biography Verified Profile Summary

Dr. Kathryn Hatch, MD is a registered Surgery practitioner in Billings, MT. With approximately 27 years of clinical practice since graduating from University Of Washington School Of Medicine in 1999, Dr. Hatch provides healthcare services at the registered practice location at 2900 12TH AVE N.

Dr. Hatch is affiliated with Surgical Associates, Pc 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, 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

2900 12th Ave N
Suite 355w

Billings, MT 591017589

Telephone 4062386470

Fax 4062386499

Associated Practice Facility / Clinic

🏢 Yellowstone Pathology Institute, Inc. Facility NPI 1790787935

Medicare Profile & Education

Medical School

University Of Washington School Of Medicine

Graduation Year

1999

Medicare Assignment

✓ Accepts Assignment

Telehealth Flag

In-Person Only

Specialty Benchmarks & Practice Insights

Comparative analytics for Surgery in Billings, MT

Senior Veteran Specialist (>20 Yrs)

Practitioner Clinical Experience

27 Yrs Matches City Avg

City Avg: 27.0 Yrs

State Avg: 23.9 Yrs

Regional Practice Density

27 Specialists

Practicing in Billings, MT (144 Statewide)

Telehealth Adoption Rate

18.5% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount

54.9% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Clinical Seniority & Experience Comparison

Dr. Hatch (27 Years) 27 Yrs

Billings Specialty Average (27.0 Years) 27.0 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
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	89	51	$176.00	$76.98
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	52	51	$385.00	$165.79
99231 Follow-up hospital inpatient care per day, typically 15 minutes	44	23	$110.00	$48.28
99205 New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more	38	38	$489.00	$217.52
99213 Established patient office or other outpatient visit, typically 15 minutes	26	25	$167.15	$89.05
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	24	24	$371.00	$164.83
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	18	18	$232.94	$126.80
47563 Removal of gallbladder with x-ray study of bile ducts using an endoscope	11	11	$1613.00	$709.36

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	85	49	$176.00	$78.15
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	40	40	$385.00	$170.16
99205 New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more	27	27	$489.00	$219.87
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	22	22	$371.00	$166.63
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	22	22	$216.00	$123.14
99231 Follow-up hospital inpatient care per day, typically 15 minutes	19	17	$110.00	$49.53
47563 Removal of gallbladder with x-ray study of bile ducts using an endoscope	18	18	$1326.24	$583.10
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	15	15	$289.00	$123.19
74300 Review by radiologist of bile and/or pancreatic duct image during surgery	14	14	$38.00	$13.15
99213 Established patient office or other outpatient visit, typically 15 minutes	12	12	$146.00	$90.40

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	82	41	$153.56	$71.21
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	47	46	$427.09	$198.21
99205 New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more	36	36	$441.78	$218.13
99231 Follow-up hospital inpatient care per day, typically 15 minutes	32	21	$87.22	$38.76
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	31	28	$229.55	$129.60
99213 Established patient office or other outpatient visit, typically 15 minutes	26	24	$158.00	$92.07
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	19	19	$348.26	$169.34
47563 Removal of gallbladder with x-ray study of bile ducts using an endoscope	18	18	$1358.07	$565.87
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	15	15	$291.80	$135.59
74300 Review by radiologist of bile and/or pancreatic duct image during surgery	14	14	$38.00	$12.83
99220 Hospital observation care, typically 70 minutes	12	12	$392.00	$167.36

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	63	34	$153.00	$72.76
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	34	33	$428.00	$202.73
99205 New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more	24	24	$439.00	$219.67
99231 Follow-up hospital inpatient care per day, typically 15 minutes	24	15	$83.00	$38.85
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	23	23	$347.00	$171.98
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	23	23	$230.00	$128.74
99213 Established patient office or other outpatient visit, typically 15 minutes	18	16	$158.00	$93.62
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	17	17	$292.00	$137.73

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	81	41	$153.62	$75.24
99231 Follow-up hospital inpatient care per day, typically 15 minutes	41	28	$83.00	$41.11
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	34	34	$347.47	$171.10
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	28	28	$429.39	$210.28
99205 New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more	22	22	$439.27	$216.00
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	20	19	$291.40	$144.02
99213 Established patient office or other outpatient visit, typically 15 minutes	16	16	$157.25	$77.77
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	16	16	$94.69	$47.01
47562 Removal of gallbladder using an endoscope	16	16	$1005.10	$429.11
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	15	14	$229.20	$112.41

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	82	39	$155.00	$75.60
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	44	42	$431.00	$210.24
99231 Follow-up hospital inpatient care per day, typically 15 minutes	38	24	$83.00	$41.07
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	37	37	$349.00	$170.39
99213 Established patient office or other outpatient visit, typically 15 minutes	23	22	$155.00	$76.37
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	$440.00	$214.38
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	17	16	$228.00	$111.83
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	16	16	$290.00	$142.84
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	16	16	$93.00	$46.36
47563 Removal of gallbladder with x-ray study of bile ducts using an endoscope	11	11	$1437.27	$663.65
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	11	11	$229.00	$112.27
43775 Stomach reduction procedure with partial removal of stomach using an endoscope	11	11	$2072.27	$1071.76

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	62	35	$155.00	$73.82
99231 Follow-up hospital inpatient care per day, typically 15 minutes	31	22	$83.00	$37.43
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	29	24	$93.00	$44.36
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	23	23	$431.00	$209.61
99213 Established patient office or other outpatient visit, typically 15 minutes	23	19	$155.00	$74.46
99205 New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more	22	22	$440.00	$213.60
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	20	20	$290.00	$138.03
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	16	13	$228.00	$110.14
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	15	15	$229.00	$111.64
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	14	14	$349.00	$169.94

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99231 Follow-up hospital inpatient care per day, typically 15 minutes	45	34	$83.00	$40.11
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	44	28	$152.00	$73.41
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	32	31	$289.00	$140.02
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	28	28	$349.00	$166.94
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	23	21	$92.00	$44.10
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	20	20	$425.00	$206.75
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	16	15	$226.13	$108.67
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	$434.86	$210.66
99213 Established patient office or other outpatient visit, typically 15 minutes	12	11	$153.00	$74.01
19301 Partial removal of breast	11	11	$1754.00	$698.91

Medical Specialties & State Licenses

CMS Verified: 2025-12-03

Surgery Primary Specialty

NUCC Taxonomy Code: 208600000X

State License MT 10795

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

0146627 (MT)

Hospital & Practice Group Affiliations

Surgical Associates, Pc

2900 12th Ave N 355, Billings, MT 591017590

Phone: 4062386470

Practice Associates & Co-Workers

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

10 Associated Practitioners

Dr. Carson Walker , MD

Surgery

NPI 1104453299

Doctor of Medicine (M.D.)

Dr. Eric Dringman , MD

Surgery

NPI 1245262583

Doctor of Medicine (M.D.)

Dr. Barry Mckenzie , MD

Surgery

NPI 1437367513

Doctor of Medicine (M.D.)

Dr. Dennis Maier , MD

Surgery

NPI 1497787725

Doctor of Medicine (M.D.)

Dr. John Cook , MD

Specialist

NPI 1609891621

Doctor of Medicine (M.D.)

Dr. John Middleton , MD

Specialist

NPI 1659396687

Doctor of Medicine (M.D.)

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) December 03, 2025

Surgery (License #10795 in MT)

✅

NPI Profile Active November 15, 2013

NPI status registered as active in NPPES database

📍

Updated Practice Location November 15, 2013

Registered at 2900 12TH AVE N, SUITE 355W, BILLINGS, MT 591017589 (Tel: 4062386470)

📍

Updated Business Mailing Address November 15, 2013

Registered at 2900 12TH AVE N, SUITE 355W, BILLINGS, MT 591017506 (Tel: 4062386470)

👤

Provider Name / Credentials Updated November 15, 2013

Recorded as KATHRYN HATCH, MD

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) November 15, 2013

Specialist (License #10795 in MT)

🟢

Initial NPI Registration & Enumeration July 12, 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: 1275558215

Entity Type:

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

Enumeration Date: July 12, 2006

Last Update: December 03, 2025

Sole Proprietor: No

Update or Correct Profile

Mailing Address

2900 12th Ave N, Suite 355w

Billings, MT 591017506

Phone: 4062386470

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.