Active NPI 1295718013 Individual Practitioner Male Practitioner

Dr. William Anthony Harrison , MD

Internal Medicine • Cheyenne, WY

✓ Accepts Medicare Assignment

Professional Overview & Biography Verified Profile Summary

Dr. William Harrison, MD is a certified Internal Medicine practicing in Cheyenne, WY. With approximately 35 years of clinical experience since graduating from Creighton University School Of Medicine in 1991, Dr. Harrison delivers high-quality medical care to the local community at 800 E 20TH ST.

Dr. Harrison is affiliated with Cheyenne Regional Physicians Group Llc and accepts Medicare assignment.

Frequently performed procedures and clinical services include established patient outpatient office visit, injection, triamcinolone acetonide, not otherwise specified, 10 mg, administration of influenza virus vaccine. Full Medicare procedure pricing transparency rates and service volume details are listed on this profile.

Practice Location & Contact Primary Location

Practice Address

800 E 20th St
Suite 350

Cheyenne, WY 820013859

Telephone 3079961560

Fax 3079961565

Associated Practice Facility / Clinic

🏢 Rocky Mountain Orthopedic Specialists, Llc Facility NPI 1558454819

Medicare Profile & Education

Medical School

Creighton University School Of Medicine

Graduation Year

1991

Medicare Assignment

✓ Accepts Assignment

Telehealth Flag

In-Person Only

Specialty Benchmarks & Practice Insights

Comparative analytics for Internal Medicine in Cheyenne, WY

Senior Veteran Specialist (>20 Yrs)

Practitioner Clinical Experience

35 Yrs +14.3 yrs vs City Avg

City Avg: 20.7 Yrs

State Avg: 18.7 Yrs

Regional Practice Density

28 Specialists

Practicing in Cheyenne, WY (144 Statewide)

Telehealth Adoption Rate

3.6% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount

48.1% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Clinical Seniority & Experience Comparison

Dr. Harrison (35 Years) 35 Yrs

Cheyenne Specialty Average (20.7 Years) 20.7 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	737	424	$213.22	$90.52
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	199	151	$309.22	$127.48
J3301 Injection, triamcinolone acetonide, not otherwise specified, 10 mg	137	24	$12.05	$1.02
G0008 Administration of influenza virus vaccine	127	124	$65.88	$31.57
90662 Influenza vaccine split virus, preservative free	120	120	$95.00	$81.82
96372 Injection beneath the skin or into muscle for therapy, diagnosis, or prevention	116	59	$40.42	$14.33
93793 Anticoagulant management of patient taking warfarin	89	15	$33.35	$11.30
J3420 Injection, vitamin b-12 cyanocobalamin, up to 1000 mcg	60	23	$38.86	$1.25
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit	42	42	$328.42	$130.65
90480 Admn sarscov2 vacc 1 dose	40	38	$81.00	$42.09
91322 Sarscov2 vac 50 mcg/0.5ml im	40	38	$178.72	$155.72
G0009 Administration of pneumococcal vaccine	28	28	$66.81	$31.57
90732 Vaccine for pneumococcal polysaccharide for injection beneath the skin or into muscle, patient 2 years or older	23	23	$87.10	$85.36

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes	802	480	$213.22	$89.85
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	536	346	$309.22	$127.68
96372 Injection beneath the skin or into muscle for therapy, diagnosis, or prevention	163	71	$40.42	$14.19
93793 Anticoagulant management of patient taking warfarin	152	36	$33.35	$11.47
J3420 Injection, vitamin b-12 cyanocobalamin, up to 1000 mcg	104	33	$38.86	$1.64
J3301 Injection, triamcinolone acetonide, not otherwise specified, 10 mg	96	21	$12.05	$1.07
G0008 Administration of influenza virus vaccine	79	79	$69.28	$30.92
90694 Influenza vaccine, quadrivalent inactivated, 0.5 ml dosage	77	77	$107.27	$75.38
G0009 Administration of pneumococcal vaccine	38	38	$69.28	$30.91
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit	32	32	$328.42	$129.64
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	20	20	$306.18	$111.81
90671 Pneumococcal conjugate vaccine, 15 valent (pcv15), for intramuscular use	20	20	$480.00	$241.28
90732 Vaccine for pneumococcal polysaccharide for injection beneath the skin or into muscle, patient 2 years or older	18	18	$87.10	$85.36
99442 Telephone medical discussion with physician, 11-20 minutes	16	12	$212.95	$63.23
J1040 Injection, methylprednisolone acetate, 80 mg	12	12	$29.47	$12.27

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
J0897 Injection, denosumab, 1 mg	1,200	13	$40.20	$21.64
99213 Established patient office or other outpatient visit, typically 15 minutes	1,118	525	$213.22	$91.34
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	889	429	$309.22	$129.06
93793 Anticoagulant management of patient taking warfarin	348	46	$33.36	$11.39
G0008 Administration of influenza virus vaccine	240	239	$69.28	$29.85
J3301 Injection, triamcinolone acetonide, not otherwise specified, 10 mg	228	46	$12.05	$1.14
90694 Influenza vaccine, quadrivalent inactivated, 0.5 ml dosage	228	227	$74.84	$70.18
96372 Injection beneath the skin or into muscle for therapy, diagnosis, or prevention	197	85	$40.42	$14.50
0124A Fee covid-19 vac 13 res	107	107	$40.00	$39.49
J3420 Injection, vitamin b-12 cyanocobalamin, up to 1000 mcg	107	26	$38.86	$1.72
0054A Intramuscular administration of single severe acute respiratory syndrome coronavirus 2 (covid-19) vaccine, mrna-lnp, spike protein, preservative free, 30 mcg/0.3ml dosage, tris-sucrose formulation; booster dose	54	53	$40.00	$39.76
99442 Telephone medical discussion with physician, 11-20 minutes	50	43	$107.21	$79.74
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit	46	46	$328.42	$132.33
G0009 Administration of pneumococcal vaccine	45	45	$69.28	$30.15
0241U Respiratory infectious agent detection by rna for severe acute respiratory syndrome coronavirus 2 (covid 19), influenza a, influenza b, and respiratory syncytial virus, upper respiratory specimen, each reported as detected or not detected	45	43	$260.27	$140.63
90732 Vaccine for pneumococcal polysaccharide for injection beneath the skin or into muscle, patient 2 years or older	24	24	$87.10	$86.48
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	14	14	$306.18	$112.93
0004A Fee covid-19 vac 1 res	14	14	$40.00	$40.27
90671 Pneumococcal conjugate vaccine, 15 valent (pcv15), for intramuscular use	13	13	$480.00	$241.66
0064A Adm sarscov2 50mcg/0.25mlbst	13	13	$40.00	$39.99
90686 Vaccine for influenza for administration into muscle, 0.5 ml dosage	12	12	$24.67	$21.04

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
J0897 Injection, denosumab, 1 mg	1,440	14	$40.20	$20.57
99213 Established patient office or other outpatient visit, typically 15 minutes	1,045	558	$213.22	$92.45
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	996	502	$309.22	$131.03
96372 Injection beneath the skin or into muscle for therapy, diagnosis, or prevention	230	88	$40.42	$14.37
G0008 Administration of influenza virus vaccine	172	172	$69.28	$17.23
90694 Influenza vaccine, quadrivalent inactivated, 0.5 ml dosage	165	165	$65.94	$65.94
J3420 Injection, vitamin b-12 cyanocobalamin, up to 1000 mcg	138	26	$38.86	$1.98
93793 Anticoagulant management of patient taking warfarin	72	29	$33.35	$11.57
0003A Adm sarscov2 30mcg/0.3ml 3rd	71	71	$40.00	$40.45
0013A Adm sarscov2 100mcg/0.5ml3rd	62	62	$40.00	$40.47
0004A Fee covid-19 vac 1 res	61	61	$40.00	$40.46
J1040 Injection, methylprednisolone acetate, 80 mg	56	48	$29.47	$10.50
99442 Telephone medical discussion with physician, 11-20 minutes	41	31	$107.21	$92.94
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	34	34	$306.18	$113.68
87635 Amplifed dna or rna probe detection of severe acute respiratory syndrome coronavirus 2 (covid-19) antigen	30	29	$51.31	$51.31
G0009 Administration of pneumococcal vaccine	21	21	$69.28	$17.24
99202 New patient office or other outpatient visit, typically 20 minutes	19	19	$216.25	$73.87
90732 Vaccine for pneumococcal polysaccharide for injection beneath the skin or into muscle, patient 2 years or older	12	12	$87.10	$87.10

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes	1,033	531	$217.69	$76.11
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	697	454	$320.44	$110.16
96372 Injection beneath the skin or into muscle for therapy, diagnosis, or prevention	289	101	$57.10	$14.49
G0008 Administration of influenza virus vaccine	261	256	$69.28	$16.89
90694 Influenza vaccine, quadrivalent inactivated, 0.5 ml dosage	241	241	$61.00	$61.00
J0696 Injection, ceftriaxone sodium, per 250 mg	180	13	$58.97	$0.59
J3420 Injection, vitamin b-12 cyanocobalamin, up to 1000 mcg	147	37	$38.86	$1.98
99442 Telephone medical discussion with physician, 11-20 minutes	110	99	$109.12	$75.91
J1040 Injection, methylprednisolone acetate, 80 mg	78	56	$29.47	$11.57
G0009 Administration of pneumococcal vaccine	29	29	$69.28	$16.85
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	22	22	$308.67	$109.92
90732 Vaccine for pneumococcal polysaccharide for injection beneath the skin or into muscle, patient 2 years or older	19	19	$87.10	$86.92
90686 Vaccine for influenza for administration into muscle, 0.5 ml dosage	13	13	$23.00	$19.58

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes	1,103	395	$222.36	$74.80
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	640	437	$334.78	$108.82
96372 Injection beneath the skin or into muscle for therapy, diagnosis, or prevention	338	104	$69.28	$16.87
G0008 Administration of influenza virus vaccine	216	215	$69.28	$16.56
J0696 Injection, ceftriaxone sodium, per 250 mg	212	20	$58.97	$0.52
90653 Vaccine for influenza for injection into muscle	206	206	$62.03	$58.29
J3420 Injection, vitamin b-12 cyanocobalamin, up to 1000 mcg	196	39	$38.86	$1.80
J1040 Injection, methylprednisolone acetate, 80 mg	82	60	$29.47	$12.11
G0009 Administration of pneumococcal vaccine	41	41	$69.28	$16.56
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	35	35	$333.62	$109.21
90670 Pneumococcal vaccine for injection into muscle	34	34	$192.17	$188.33
93000 Routine ekg using at least 12 leads including interpretation and report	14	14	$85.37	$17.19

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes	1,138	303	$217.20	$72.67
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	450	126	$162.87	$72.54
96372 Injection beneath the skin or into muscle for therapy, diagnosis, or prevention	237	75	$67.34	$20.54
99231 Follow-up hospital inpatient care per day, typically 15 minutes	233	79	$112.13	$39.06
J0696 Injection, ceftriaxone sodium, per 250 mg	152	17	$56.90	$0.63
J1020 Injection, methylprednisolone acetate, 20 mg	137	28	$6.38	$5.35
99239 Hospital discharge day management, more than 30 minutes	134	130	$409.08	$107.49
J3420 Injection, vitamin b-12 cyanocobalamin, up to 1000 mcg	128	22	$37.91	$1.96
90653 Vaccine for influenza for injection into muscle	121	121	$65.00	$53.58
G0008 Administration of influenza virus vaccine	121	119	$69.22	$20.42
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	84	82	$437.16	$201.99
36415 Insertion of needle into vein for collection of blood sample	63	56	$24.25	$2.94
J1040 Injection, methylprednisolone acetate, 80 mg	34	28	$29.14	$13.07
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	26	25	$326.81	$106.29
G0009 Administration of pneumococcal vaccine	25	25	$68.09	$20.42
90670 Pneumococcal vaccine for injection into muscle	17	17	$188.40	$184.64
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	11	11	$333.62	$107.56

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes	1,085	290	$206.47	$72.70
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	966	193	$157.39	$69.72
36415 Insertion of needle into vein for collection of blood sample	516	292	$23.68	$2.94
96372 Injection beneath the skin or into muscle for therapy, diagnosis, or prevention	255	75	$64.42	$25.44
99239 Hospital discharge day management, more than 30 minutes	186	182	$393.42	$104.23
J3420 Injection, vitamin b-12 cyanocobalamin, up to 1000 mcg	165	25	$36.14	$2.90
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	151	147	$420.13	$195.38
J1020 Injection, methylprednisolone acetate, 20 mg	140	31	$6.36	$5.40
G0008 Administration of influenza virus vaccine	121	120	$65.85	$25.34
90662 Influenza vaccine split virus, preservative free	114	113	$83.96	$47.89
85610 Blood test, clotting time	87	13	$32.10	$4.27
J0696 Injection, ceftriaxone sodium, per 250 mg	64	11	$54.32	$0.66
G0009 Administration of pneumococcal vaccine	42	42	$65.23	$25.34
J1040 Injection, methylprednisolone acetate, 80 mg	35	30	$26.74	$10.28
90670 Pneumococcal vaccine for injection into muscle	32	32	$180.84	$177.22
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	15	14	$304.67	$107.74
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	14	14	$285.79	$132.98

Medical Specialties & State Licenses

CMS Verified: 2022-11-08

Internal Medicine Primary Specialty

NUCC Taxonomy Code: 207R00000X

State License WY 5769A

A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.

Additional State Medicaid & Healthcare Payer Identifiers

Medicaid State Provider ID

110746100 (WY)

Commercial Insurance / Payer ID State License

5769A (WY)

Commercial Insurance / Payer ID Substance Control

710WH95 (WY)

Hospital & Practice Group Affiliations

Cheyenne Regional Physicians Group Llc

4116 Laramie St, Cheyenne, WY 820011969

Phone: 3076357961

Practice Associates & Co-Workers

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

4 Associated Practitioners

Cheryl Pushcar

Nurse Practitioner - Family

NPI 1386072965

Dr. Paul Washburn , MD

Internal Medicine

NPI 1407114671

Doctor of Medicine (M.D.)

Shannon Lambert , PA

Physician Assistant

NPI 1598113243

Physician Assistant

Dr. Daniel Rivard , MD

Internal Medicine

NPI 1942475298

Doctor of Medicine (M.D.)

Career & Practice History Timeline

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

6 Historical Events

✅

NPI Profile Active February 11, 2015

NPI status registered as active in NPPES database

📍

Updated Practice Location February 11, 2015

Registered at 800 E 20TH ST, SUITE 350, CHEYENNE, WY 820013859 (Tel: 3079961560)

📍

Updated Business Mailing Address February 11, 2015

Registered at PO BOX 20970, CHEYENNE, WY 820037020 (Tel: 3079961560)

👤

Provider Name / Credentials Updated February 11, 2015

Recorded as WILLIAM HARRISON, MD

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) February 11, 2015

Internal Medicine (License #5769A in WY)

🟢

Initial NPI Registration & Enumeration November 25, 2005

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: 1295718013

Entity Type:

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

Enumeration Date: November 25, 2005

Last Update: November 08, 2022

Sole Proprietor: No

Update or Correct Profile

Mailing Address

Po Box 20970

Cheyenne, WY 820037020

Phone: 3079961560

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.