Active NPI 1285686311 Individual Practitioner Male Practitioner

Dr. Willard R Carnahan , MD

Surgery • Tucson, AZ

Professional Overview & Biography Verified Profile Summary

Dr. Willard Carnahan, MD is a registered healthcare professional specializing in Surgery in Tucson, AZ. Practice services are available at 6320 N LA CHOLLA BLVD under active NPI credentials.

Frequently performed procedures and clinical services include new patient outpatient office visit, established patient outpatient office visit, repair of groin hernia using an endoscope. Full Medicare procedure pricing transparency rates and service volume details are listed on this profile.

Practice Location & Contact Primary Location

Practice Address

6320 N La Cholla Blvd
Ste 310

Tucson, AZ 85741

Telephone 5202199125

Fax 5202199130

Associated Practice Facility / Clinic

🏢 Southern Arizona Center For Minimally Invasive Surgery, Pc Facility NPI 1871632604

Specialty Benchmarks & Practice Insights

Comparative analytics for Surgery in Tucson, AZ

Active Practitioner

Practitioner Clinical Experience

Active

City Avg: 22.7 Yrs

State Avg: 23.6 Yrs

Regional Practice Density

184 Specialists

Practicing in Tucson, AZ (801 Statewide)

Telehealth Adoption Rate

6.5% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount

63.7% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Performed Procedures & Service Volume

Top Medicare Part B procedures performed by this practitioner

CMS Official Data (2023)

Reporting Year:

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	42	42	$461.00	$161.52
99213 Established patient office or other outpatient visit, typically 15 minutes	22	20	$204.00	$87.49
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	19	19	$302.00	$108.51
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	16	14	$123.00	$54.65
49650 Repair of groin hernia using an endoscope	14	14	$1409.50	$494.79

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	69	69	$461.00	$160.13
99231 Follow-up hospital inpatient care per day, typically 15 minutes	41	16	$110.00	$37.57
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	25	25	$302.00	$109.46
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	20	18	$384.00	$131.47
47563 Removal of gallbladder with x-ray study of bile ducts using an endoscope	19	19	$1990.53	$676.30
49650 Repair of groin hernia using an endoscope	15	15	$1286.00	$415.40
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	13	12	$301.00	$124.58

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99231 Follow-up hospital inpatient care per day, typically 15 minutes	58	30	$110.00	$38.04
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	45	45	$461.00	$166.94
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	38	38	$302.00	$111.53
99213 Established patient office or other outpatient visit, typically 15 minutes	31	24	$204.00	$90.65
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	27	24	$301.00	$128.91
49650 Repair of groin hernia using an endoscope	21	21	$1293.48	$388.77
47563 Removal of gallbladder with x-ray study of bile ducts using an endoscope	17	17	$1920.76	$652.53
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	13	12	$123.00	$55.74
47562 Removal of gallbladder using an endoscope	12	12	$1595.67	$432.50
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	12	12	$384.00	$134.68

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99231 Follow-up hospital inpatient care per day, typically 15 minutes	56	22	$110.00	$39.66
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	48	48	$461.00	$164.16
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	30	28	$384.00	$138.79
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	27	18	$123.00	$45.07
99213 Established patient office or other outpatient visit, typically 15 minutes	19	16	$200.84	$74.93
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	18	18	$302.00	$107.36
47562 Removal of gallbladder using an endoscope	14	14	$1823.00	$600.49
47563 Removal of gallbladder with x-ray study of bile ducts using an endoscope	13	13	$1881.92	$613.03
49650 Repair of groin hernia using an endoscope	12	12	$1107.58	$289.91

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	58	58	$461.00	$161.68
99231 Follow-up hospital inpatient care per day, typically 15 minutes	50	27	$110.00	$38.90
99213 Established patient office or other outpatient visit, typically 15 minutes	30	26	$204.00	$71.50
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	28	19	$123.00	$44.21
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	28	28	$302.00	$106.32
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	24	24	$384.00	$135.13
47562 Removal of gallbladder using an endoscope	22	22	$1766.64	$552.57
49650 Repair of groin hernia using an endoscope	19	19	$1240.32	$399.32
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	14	14	$569.00	$199.60
99202 New patient office or other outpatient visit, typically 20 minutes	12	12	$210.00	$74.94

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99231 Follow-up hospital inpatient care per day, typically 15 minutes	69	32	$92.25	$38.67
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	59	59	$372.73	$159.57
49650 Repair of groin hernia using an endoscope	39	39	$1314.23	$397.78
99213 Established patient office or other outpatient visit, typically 15 minutes	33	25	$153.09	$71.58
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	33	32	$450.39	$199.99
99202 New patient office or other outpatient visit, typically 20 minutes	25	25	$162.00	$73.56
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	24	24	$238.42	$105.92
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	21	19	$345.43	$134.78
47562 Removal of gallbladder using an endoscope	20	20	$1581.95	$451.27
99205 New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more	11	11	$385.45	$203.25

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes	47	28	$124.00	$69.58
99231 Follow-up hospital inpatient care per day, typically 15 minutes	47	23	$75.00	$37.41
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	38	38	$293.00	$156.15
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	28	28	$363.00	$192.97
99202 New patient office or other outpatient visit, typically 20 minutes	27	27	$130.00	$71.37
47562 Removal of gallbladder using an endoscope	24	24	$1836.17	$588.87
49650 Repair of groin hernia using an endoscope	24	24	$1298.13	$345.36
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	18	18	$255.00	$131.86
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	$366.00	$196.41
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	14	14	$193.00	$103.39

Medical Specialties & State Licenses

Surgery Primary Specialty

NUCC Taxonomy Code: 208600000X

State License AZ 13209

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.

Practice Associates & Co-Workers

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

2 Associated Practitioners

Dr. Stuart Melcer , MD

Surgery

NPI 1225080377

Doctor of Medicine (M.D.)

Dr. Jenelle Olson , MD

Surgery

NPI 1851345540

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 18, 2016

NPI status registered as active in NPPES database

📍

Updated Practice Location February 18, 2016

Registered at 6320 N LA CHOLLA BLVD, STE 310, TUCSON, AZ 85741 (Tel: 5202199125)

📍

Updated Business Mailing Address February 18, 2016

Registered at 6320 N LA CHOLLA BLVD, STE 310, TUCSON, AZ 85741 (Tel: 5202199125)

👤

Provider Name / Credentials Updated February 18, 2016

Recorded as WILLARD CARNAHAN, M.D.

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) February 18, 2016

Surgery (License #13209 in AZ)

🟢

Initial NPI Registration & Enumeration May 17, 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: 1285686311

Entity Type:

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

Enumeration Date: May 17, 2006

Last Update: February 18, 2016

Sole Proprietor: No

Update or Correct Profile

Mailing Address

6320 N La Cholla Blvd, Ste 310

Tucson, AZ 85741

Phone: 5202199125

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.