Active NPI 1861504847 Individual Practitioner Male Practitioner

Dr. John R. Gregory , MD

Surgery • Billings, MT

✓ Accepts Medicare Assignment Telehealth Available

Professional Overview & Biography Verified Profile Summary

Dr. John Gregory, MD is a certified Surgery practicing in Billings, MT. With approximately 51 years of clinical experience since graduating from University Of Colorado School Of Medicine, Denver in 1975, Dr. Gregory delivers high-quality medical care to the local community at 801 N 29TH ST.

Dr. Gregory is affiliated with Billings Clinic and accepts Medicare assignment . Telehealth and virtual consultation options are available for eligible patients.

Frequently performed procedures and clinical services include established patient outpatient office visit, new patient outpatient office visit, fusion of spine bones with removal of disc at lower spinal column, anterior approach. Full Medicare procedure pricing transparency rates and service volume details are listed on this profile.

Practice Location & Contact Primary Location

Practice Address

801 N 29th St

Billings, MT 591010905

Telephone 4062382500

Associated Practice Facility / Clinic

🏢 Billings Clinic Facility NPI 1376598714

Medicare Profile & Education

Medical School

University Of Colorado School Of Medicine, Denver

Graduation Year

1975

Medicare Assignment

✓ Accepts Assignment

Telehealth Flag

Telehealth Services Available

Specialty Benchmarks & Practice Insights

Comparative analytics for Surgery in Billings, MT

Senior Veteran Specialist (>20 Yrs)

Practitioner Clinical Experience

51 Yrs +24.0 yrs vs 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

✓ Offers Virtual Consultations

Medicare Pricing Discount

83.7% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Clinical Seniority & Experience Comparison

Dr. Gregory (51 Years) 51 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
99213 Established patient office or other outpatient visit, typically 15 minutes	29	25	$98.93	$63.96
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	20	18	$144.85	$94.33
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	19	19	$252.79	$129.42
22558 Fusion of spine bones with removal of disc at lower spinal column, anterior approach	16	16	$7150.50	$905.63
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	12	12	$140.50	$79.72

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes	28	25	$89.71	$66.15
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	24	22	$140.21	$97.69
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	21	21	$225.38	$133.64
99441 Telephone medical discussion with physician, 5-10 minutes	19	17	$39.11	$32.82
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	17	17	$133.24	$83.08
22558 Fusion of spine bones with removal of disc at lower spinal column, anterior approach	11	11	$6976.00	$968.49

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	41	38	$135.00	$97.69
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	31	31	$225.00	$135.26
99213 Established patient office or other outpatient visit, typically 15 minutes	24	23	$88.00	$66.64
99441 Telephone medical discussion with physician, 5-10 minutes	22	22	$32.00	$31.69
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	19	18	$192.00	$144.84
36561 Insertion of central venous catheter and implanted device for infusion beneath the skin, patient 5 years or older	11	11	$1659.00	$228.24

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	54	54	$225.00	$138.55
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	30	29	$135.00	$101.29
99213 Established patient office or other outpatient visit, typically 15 minutes	29	25	$88.00	$68.58
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	22	22	$133.00	$85.05
22558 Fusion of spine bones with removal of disc at lower spinal column, anterior approach	11	11	$6976.00	$990.84

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	47	47	$133.00	$79.22
99202 New patient office or other outpatient visit, typically 20 minutes	28	28	$87.00	$53.05
99213 Established patient office or other outpatient visit, typically 15 minutes	20	19	$88.00	$53.64
99221 Initial hospital inpatient care per day, typically 30 minutes	18	18	$235.00	$106.89
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	15	14	$135.00	$82.27
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	13	13	$43.00	$27.03
22558 Fusion of spine bones with removal of disc at lower spinal column, anterior approach	11	11	$6976.00	$1049.91
47562 Removal of gallbladder using an endoscope	11	11	$3373.73	$637.42

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	53	53	$133.00	$80.57
99202 New patient office or other outpatient visit, typically 20 minutes	34	34	$87.00	$53.29
99221 Initial hospital inpatient care per day, typically 30 minutes	30	30	$235.00	$107.26
47562 Removal of gallbladder using an endoscope	26	26	$3289.08	$700.85
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	25	17	$167.00	$76.06
99231 Follow-up hospital inpatient care per day, typically 15 minutes	23	14	$91.00	$41.32
99213 Established patient office or other outpatient visit, typically 15 minutes	18	18	$88.00	$53.42
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	17	17	$135.00	$82.19
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	14	12	$43.00	$26.82
49505 Repair of groin hernia (5 years or older)	14	14	$1958.57	$584.90
36561 Insertion of central venous catheter and implanted device for infusion beneath the skin, patient 5 years or older	12	12	$1659.00	$282.53

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	58	58	$133.00	$80.21
99213 Established patient office or other outpatient visit, typically 15 minutes	40	33	$88.00	$52.95
99221 Initial hospital inpatient care per day, typically 30 minutes	37	37	$235.00	$105.96
99231 Follow-up hospital inpatient care per day, typically 15 minutes	25	14	$91.00	$40.66
99202 New patient office or other outpatient visit, typically 20 minutes	23	23	$87.00	$52.44
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	22	21	$135.00	$80.84
47562 Removal of gallbladder using an endoscope	20	20	$3227.00	$710.35
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	17	14	$167.00	$72.69
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	14	13	$43.00	$26.46

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	60	60	$118.27	$78.96
99221 Initial hospital inpatient care per day, typically 30 minutes	34	34	$215.59	$104.33
99213 Established patient office or other outpatient visit, typically 15 minutes	32	28	$69.88	$52.04
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	28	22	$34.50	$25.89
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	27	25	$119.11	$80.05
99202 New patient office or other outpatient visit, typically 20 minutes	23	23	$71.78	$51.78
47562 Removal of gallbladder using an endoscope	19	19	$3227.00	$656.41
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	14	14	$155.00	$73.41
36561 Insertion of central venous catheter and implanted device for infusion beneath the skin, patient 5 years or older	14	14	$2139.50	$259.18
47563 Removal of gallbladder with x-ray study of bile ducts using an endoscope	12	12	$3466.00	$738.98

Medical Specialties & State Licenses

CMS Verified: 2022-02-10

Surgery Primary Specialty

NUCC Taxonomy Code: 208600000X

State License MT 4284

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

Commercial Insurance / Payer ID Bcbs Pin

000017290 (MT)

Commercial Insurance / Payer ID Mdcd Pin

0109446 (MT)

Hospital & Practice Group Affiliations

Billings Clinic

801 N 29th St, Billings, MT 591010905

Phone: 4062382500

Billings Clinic

201 Yellowstone Ave, Cody, WY 824149313

Phone: 3075277561

Practice Associates & Co-Workers

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

40 Associated Practitioners

Amanda Langve , PT

Physical Therapist

NPI 1003052390

Physical Therapist

Kirk Kenfield , PA

Physician Assistant - Surgical

NPI 1003070202

Physician Assistant

Alexander Ramsey , PA-C

Physician Assistant

NPI 1003364878

Physician Assistant (Certified)

Dr. Rodney Teichroeb , MD

Hospitalist

NPI 1003398413

Doctor of Medicine (M.D.)

Dr. Patricia Grantham , MD

Family Medicine

NPI 1003801275

Doctor of Medicine (M.D.)

Cheryl Ikeda , LCSW

Social Worker - Clinical

NPI 1013029842

Licensed Clinical Social Worker

Career & Practice History Timeline

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

6 Historical Events

✅

NPI Profile Active December 03, 2014

NPI status registered as active in NPPES database

📍

Updated Practice Location December 03, 2014

Registered at 801 N 29TH ST, BILLINGS, MT 591010905 (Tel: 4062382500)

📍

Updated Business Mailing Address December 03, 2014

Registered at PO BOX 35100, BILLINGS, MT 591075100 (Tel: 4062382500)

👤

Provider Name / Credentials Updated December 03, 2014

Recorded as JOHN GREGORY, MD

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) December 03, 2014

Surgery (License #4284 in MT)

🟢

Initial NPI Registration & Enumeration August 31, 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: 1861504847

Entity Type:

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

Enumeration Date: August 31, 2006

Last Update: February 10, 2022

Sole Proprietor: No

Update or Correct Profile

Mailing Address

Po Box 35100

Billings, MT 591075100

Phone: 4062382500

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.