Active NPI 1225004187 Individual Practitioner Male Practitioner

Dr. Lawrence William O Holleran , MD

Surgery • Cheyenne, WY

✓ Accepts Medicare Assignment

Professional Overview & Biography Verified Profile Summary

Dr. Lawrence O Holleran, MD is a certified Surgery practicing in Cheyenne, WY. With approximately 47 years of clinical experience since graduating from University Of Nebraska College Of Medicine in 1979, Dr. O Holleran delivers high-quality medical care to the local community at 614 W DALE BLVD.

Dr. O Holleran is affiliated with Memorial Hospital Of Laramie County and accepts Medicare assignment.

Frequently performed procedures and clinical services include removal of tissue from wound, 20.0 sq cm or less, established patient outpatient office visit, ultrasound scan of veins of one arm or leg or limited including assessment of compression and functional maneuvers. Full Medicare procedure pricing transparency rates and service volume details are listed on this profile.

Practice Location & Contact Primary Location

Practice Address

614 W Dale Blvd

Cheyenne, WY 820095927

Telephone 3072866840

Medicare Profile & Education

Medical School

University Of Nebraska College Of Medicine

Graduation Year

1979

Medicare Assignment

✓ Accepts Assignment

Telehealth Flag

In-Person Only

Specialty Benchmarks & Practice Insights

Comparative analytics for Surgery in Cheyenne, WY

Senior Veteran Specialist (>20 Yrs)

Practitioner Clinical Experience

47 Yrs +20.7 yrs vs City Avg

City Avg: 26.3 Yrs

State Avg: 24.9 Yrs

Regional Practice Density

14 Specialists

Practicing in Cheyenne, WY (74 Statewide)

Telehealth Adoption Rate

0.0% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount

79.5% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Clinical Seniority & Experience Comparison

Dr. O Holleran (47 Years) 47 Yrs

Cheyenne Specialty Average (26.3 Years) 26.3 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
97597 Removal of tissue from wound, 20.0 sq cm or less	145	74	$96.48	$34.67
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	79	57	$73.77	$34.74
93971 Ultrasound scan of veins of one arm or leg or limited including assessment of compression and functional maneuvers	55	40	$289.00	$116.41
99202 New patient office or other outpatient visit, typically 20 minutes	51	51	$207.00	$69.88
93970 Ultrasound study of arm or leg veins with compression and maneuvers	25	25	$405.00	$182.65
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	17	17	$298.00	$104.12
37766 Multiple incisions for removal of varicose veins of arm or leg	15	12	$2214.00	$307.80
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	14	13	$121.00	$55.36
37765 Multiple incisions for removal of varicose veins of arm or leg, 10-20 incisions	14	14	$2158.00	$251.77
99213 Established patient office or other outpatient visit, typically 15 minutes	12	11	$201.00	$88.13

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
97597 Removal of tissue from wound, 20.0 sq cm or less	193	102	$96.48	$34.68
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	79	56	$73.77	$35.23
93971 Ultrasound scan of veins of one arm or leg or limited including assessment of compression and functional maneuvers	54	35	$257.39	$119.19
99202 New patient office or other outpatient visit, typically 20 minutes	39	39	$207.00	$70.40
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	33	21	$120.06	$55.71
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	27	27	$298.00	$110.32
37765 Multiple incisions for removal of varicose veins of arm or leg, 10-20 incisions	19	16	$2158.00	$264.98
93970 Ultrasound study of arm or leg veins with compression and maneuvers	19	19	$361.53	$187.76
36478 Laser destruction of incompetent vein of arm or leg using imaging guidance	14	13	$4350.00	$975.51

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
97597 Removal of tissue from wound, 20.0 sq cm or less	220	112	$96.48	$36.24
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	54	46	$73.77	$36.25
99202 New patient office or other outpatient visit, typically 20 minutes	48	48	$200.13	$72.69
93971 Ultrasound scan of veins of one arm or leg or limited including assessment of compression and functional maneuvers	45	32	$257.00	$122.46
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	40	40	$298.00	$111.95
97598 Removal of tissue from wound, each additional 20.0 sq cm	35	12	$66.33	$25.29
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	35	33	$121.00	$56.40
99213 Established patient office or other outpatient visit, typically 15 minutes	29	28	$146.52	$65.16
93970 Ultrasound study of arm or leg veins with compression and maneuvers	21	21	$360.00	$192.98
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	20	20	$216.25	$83.44
49505 Repair of groin hernia (5 years or older)	13	13	$3152.00	$524.83
99213 Established patient office or other outpatient visit, typically 15 minutes	12	12	$201.00	$90.77

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
97597 Removal of tissue from wound, 20.0 sq cm or less	204	110	$96.48	$36.15
99202 New patient office or other outpatient visit, typically 20 minutes	62	62	$171.37	$73.47
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	48	48	$298.00	$112.92
93971 Ultrasound scan of veins of one arm or leg or limited including assessment of compression and functional maneuvers	48	37	$257.00	$125.69
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	47	41	$73.77	$36.26
93970 Ultrasound study of arm or leg veins with compression and maneuvers	43	42	$360.00	$199.90
37766 Multiple incisions for removal of varicose veins of arm or leg	35	20	$2589.76	$330.48
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	33	31	$111.36	$56.60
99213 Established patient office or other outpatient visit, typically 15 minutes	25	24	$146.52	$65.99
99213 Established patient office or other outpatient visit, typically 15 minutes	22	19	$197.55	$91.91
49505 Repair of groin hernia (5 years or older)	21	18	$2311.62	$529.49
37765 Multiple incisions for removal of varicose veins of arm or leg, 10-20 incisions	14	13	$1860.57	$250.98
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	14	14	$216.25	$84.18
36478 Laser destruction of incompetent vein of arm or leg using imaging guidance	13	11	$4350.00	$1101.85
99202 New patient office or other outpatient visit, typically 20 minutes	11	11	$150.18	$49.69

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
97597 Removal of tissue from wound, 20.0 sq cm or less	241	107	$96.48	$37.85
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	59	44	$93.55	$26.26
99202 New patient office or other outpatient visit, typically 20 minutes	59	59	$134.08	$76.57
93971 Ultrasound scan of veins of one arm or leg or limited including assessment of compression and functional maneuvers	44	38	$257.00	$123.39
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	38	38	$298.00	$108.32
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	37	28	$100.62	$45.68
93970 Ultrasound study of arm or leg veins with compression and maneuvers	35	35	$359.63	$193.49
99213 Established patient office or other outpatient visit, typically 15 minutes	25	20	$186.11	$52.26
99202 New patient office or other outpatient visit, typically 20 minutes	23	23	$184.77	$51.44
37765 Multiple incisions for removal of varicose veins of arm or leg, 10-20 incisions	18	15	$1811.00	$278.04
37766 Multiple incisions for removal of varicose veins of arm or leg	15	11	$2667.50	$340.49
99213 Established patient office or other outpatient visit, typically 15 minutes	13	12	$181.38	$75.18
49505 Repair of groin hernia (5 years or older)	12	12	$2049.00	$513.36

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
97597 Removal of tissue from wound, 20.0 sq cm or less	313	110	$96.48	$23.70
99202 New patient office or other outpatient visit, typically 20 minutes	66	66	$126.15	$76.03
93971 Ultrasound scan of veins of one arm or leg or limited including assessment of compression and functional maneuvers	61	45	$257.00	$121.17
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	52	43	$110.07	$25.39
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	43	43	$298.00	$106.59
93970 Ultrasound study of arm or leg veins with compression and maneuvers	38	36	$360.00	$195.46
37766 Multiple incisions for removal of varicose veins of arm or leg	29	18	$2667.50	$553.21
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	27	24	$85.33	$44.87
99202 New patient office or other outpatient visit, typically 20 minutes	26	26	$215.75	$50.46
99213 Established patient office or other outpatient visit, typically 15 minutes	25	22	$179.88	$73.95
99213 Established patient office or other outpatient visit, typically 15 minutes	20	20	$217.22	$50.84
49505 Repair of groin hernia (5 years or older)	14	14	$2049.00	$526.84
36478 Laser destruction of incompetent vein of arm or leg using imaging guidance	13	12	$4350.00	$1134.61

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
97597 Removal of tissue from wound, 20.0 sq cm or less	529	146	$93.76	$23.98
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	151	81	$106.67	$25.35
99202 New patient office or other outpatient visit, typically 20 minutes	66	66	$107.01	$73.51
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	64	64	$151.88	$106.89
97598 Removal of tissue from wound, each additional 20.0 sq cm	53	16	$64.42	$11.30
93970 Ultrasound study of arm or leg veins with compression and maneuvers	51	51	$360.00	$194.55
99202 New patient office or other outpatient visit, typically 20 minutes	44	44	$208.51	$50.35
93971 Ultrasound scan of veins of one arm or leg or limited including assessment of compression and functional maneuvers	37	31	$257.00	$119.30
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	28	26	$65.09	$43.07
99213 Established patient office or other outpatient visit, typically 15 minutes	25	25	$211.43	$51.15
49505 Repair of groin hernia (5 years or older)	20	19	$1055.52	$521.48
99213 Established patient office or other outpatient visit, typically 15 minutes	17	17	$93.09	$72.32
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	11	11	$356.57	$76.23

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
97597 Removal of tissue from wound, 20.0 sq cm or less	89	41	$91.89	$22.60
99202 New patient office or other outpatient visit, typically 20 minutes	76	76	$101.59	$72.90
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	72	72	$112.59	$108.11
93971 Ultrasound scan of veins of one arm or leg or limited including assessment of compression and functional maneuvers	66	46	$257.58	$116.09
93970 Ultrasound study of arm or leg veins with compression and maneuvers	49	49	$352.04	$190.53
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	47	41	$63.77	$42.41
37766 Multiple incisions for removal of varicose veins of arm or leg	30	21	$799.55	$567.81
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	29	22	$102.74	$24.71
49505 Repair of groin hernia (5 years or older)	21	20	$610.08	$534.43
99202 New patient office or other outpatient visit, typically 20 minutes	18	18	$205.48	$49.02
99213 Established patient office or other outpatient visit, typically 15 minutes	15	14	$79.24	$71.91
36478 Laser destruction of incompetent vein of arm or leg using imaging guidance	14	13	$4350.00	$1163.53

Medical Specialties & State Licenses

CMS Verified: 2026-05-18

Surgery Primary Specialty

NUCC Taxonomy Code: 208600000X

State License WY 6423A

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.

Surgery

NUCC Taxonomy Code: 208600000X

State License CO 26688

Surgery

NUCC Taxonomy Code: 208600000X

State License NE 16963

Additional State Medicaid & Healthcare Payer Identifiers

Medicaid State Provider ID

115489300 (WY)

Hospital & Practice Group Affiliations

Memorial Hospital Of Laramie County

214 E 23rd St, Cheyenne, WY 820013748

Phone: 3076342273

Career & Practice History Timeline

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

14 Historical Events

📍

Updated Practice Location May 18, 2026

Registered at 614 W DALE BLVD, CHEYENNE, WY 820095927 (Tel: 3072866840)

📍

Updated Business Mailing Address May 18, 2026

Registered at 614 W DALE BLVD, CHEYENNE, WY 820095927 (Tel: 3072866840)

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) May 18, 2026

Surgery (License #6423A in WY)

📍

Updated Business Mailing Address February 09, 2023

Registered at PO BOX 2476, CHEYENNE, WY 820032476 (Tel: 3076375600)

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) February 09, 2023

Surgery (License #26688 in CO)

📍

Updated Practice Location November 07, 2019

Registered at 4003 RAWLINS ST STE B, CHEYENNE, WY 820011800 (Tel: 3076375600)

📍

Updated Business Mailing Address November 07, 2019

Registered at 4003 RAWLINS ST STE B, CHEYENNE, WY 820011800 (Tel: 3076375600)

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) November 07, 2019

Surgery (License #16963 in NE)

✅

NPI Profile Active July 29, 2011

NPI status registered as active in NPPES database

📍

Updated Practice Location July 29, 2011

Registered at 1616 EAST 19TH STREET, SUITE 8, CHEYENNE, WY 820014946 (Tel: 3076375600)

📍

Updated Business Mailing Address July 29, 2011

Registered at 1616 EAST 19TH STREET, SUITE 8, CHEYENNE, WY 820014946 (Tel: 3076375600)

👤

Provider Name / Credentials Updated July 29, 2011

Recorded as LAWRENCE O HOLLERAN, MD

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) July 29, 2011

Surgery (License #6423A in WY)

🟢

Initial NPI Registration & Enumeration February 28, 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: 1225004187

Entity Type:

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

Enumeration Date: February 28, 2006

Last Update: May 18, 2026

Sole Proprietor: Yes

Update or Correct Profile

Mailing Address

614 W Dale Blvd

Cheyenne, WY 820095927

Phone: 3072866840

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.