Active NPI 1649699141 Individual Practitioner Female Practitioner

Dr. Joy Natalie Carroll , MD

Ophthalmology • Ames, IA

✓ Accepts Medicare Assignment

Professional Overview & Biography Verified Profile Summary

Dr. Joy Carroll, MD is a certified Ophthalmology practicing in Ames, IA. With approximately 12 years of clinical experience since graduating from University Of Iowa, Rj & L Carver College Of Medicine in 2014, Dr. Carroll delivers high-quality medical care to the local community at 1128 DUFF AVENUE.

Dr. Carroll is affiliated with Mcfarland Clinic Pc and accepts Medicare assignment.

Frequently performed procedures and clinical services include established patient complete exam of visual system, imaging of optic nerve, imaging of retina. Full Medicare procedure pricing transparency rates and service volume details are listed on this profile.

Practice Location & Contact Primary Location

Practice Address

1128 Duff Avenue

Ames, IA 50010

Telephone 5152394460

Fax 5159564145

Associated Practice Facility / Clinic

🏢 Mcfarland Clinic, Pc Facility NPI 1992888648

Medicare Profile & Education

Medical School

University Of Iowa, Rj & L Carver College Of Medicine

Graduation Year

2014

Medicare Assignment

✓ Accepts Assignment

Telehealth Flag

In-Person Only

Specialty Benchmarks & Practice Insights

Comparative analytics for Ophthalmology in Ames, IA

Established Specialist (10-20 Yrs)

Practitioner Clinical Experience

12 Yrs -10.0 yrs vs City Avg

City Avg: 22.0 Yrs

State Avg: 27.5 Yrs

Regional Practice Density

11 Specialists

Practicing in Ames, IA (233 Statewide)

Telehealth Adoption Rate

0.0% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount

65.7% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Clinical Seniority & Experience Comparison

Dr. Carroll (12 Years) 12 Yrs

Ames Specialty Average (22.0 Years) 22.0 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
92014 Established patient complete exam of visual system	379	378	$283.95	$116.25
92133 Imaging of optic nerve	252	184	$107.88	$31.83
92134 Imaging of retina	232	192	$114.81	$36.63
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	214	187	$202.55	$117.86
92083 Exam of visual field with extended testing	194	160	$162.80	$56.82
92136 Measurement of corneal curvature and depth of eye	185	128	$149.71	$37.68
99213 Established patient office or other outpatient visit, typically 15 minutes	183	142	$136.74	$83.81
66984 Removal of cataract with insertion of lens	171	107	$1687.47	$456.82
92012 Established patient problem focused exam of visual system	139	125	$200.96	$82.08
G2211 Visit complexity inherent to evaluation and management associated with medical care services that serve as the continuing focal point for all needed health care services and/or with medical care services that are part of ongoing care related to a patient's	54	44	$16.00	$15.28
92025 Ct scan of cornea	50	49	$89.76	$30.68
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	32	32	$281.56	$154.07
36415 Insertion of needle into vein for collection of blood sample	28	24	$10.00	$8.65
92250 Photography of the retina	24	24	$141.13	$33.83
92285 Photography of content of eyes	24	24	$56.00	$17.45
66821 Removal of recurring cataract in lens capsule using a laser	22	20	$890.68	$305.46
92082 Exam of visual field with intermediate testing	21	21	$128.00	$42.94
92020 Examination of cornea and iris using lens device and slit lamp	18	18	$74.89	$25.38
66982 Complex removal of cataract with insertion of prosthetic lens	18	16	$2095.33	$630.77
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	17	17	$182.94	$102.45
92201 Extended exam of the back part of the eye with retinal drawing	17	17	$71.76	$22.90
76514 Ultrasound scan of cornea to determine thickness	16	16	$44.00	$9.71
92004 New patient complete exam of visual system	14	14	$336.00	$138.02

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
92014 Established patient complete exam of visual system	348	347	$277.96	$119.56
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	233	203	$197.00	$120.75
92134 Imaging of retina	221	169	$106.74	$37.90
92133 Imaging of optic nerve	211	161	$105.00	$33.45
66984 Removal of cataract with insertion of lens	195	124	$1670.60	$462.62
92012 Established patient problem focused exam of visual system	174	152	$196.41	$84.67
99213 Established patient office or other outpatient visit, typically 15 minutes	172	131	$133.00	$85.20
92136 Measurement of corneal curvature and depth of eye	163	129	$151.80	$38.62
92083 Exam of visual field with extended testing	142	127	$160.50	$58.45
J0178 Injection, aflibercept, 1 mg	68	11	$1849.59	$868.61
92004 New patient complete exam of visual system	63	63	$329.00	$140.06
67028 Injection of drug into eye	60	15	$449.00	$106.18
76519 Ultrasound of eye for determination of lens power	39	39	$245.00	$63.43
76514 Ultrasound scan of cornea to determine thickness	35	35	$45.00	$10.03
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	31	31	$287.00	$156.93
92250 Photography of the retina	25	21	$144.00	$34.96
92082 Exam of visual field with intermediate testing	23	23	$121.57	$42.99
92285 Photography of content of eyes	22	22	$54.00	$17.65
66821 Removal of recurring cataract in lens capsule using a laser	22	19	$839.46	$303.60
15823 Removal of excessive skin and fat of upper eyelid	19	19	$2424.00	$775.89
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	19	19	$186.00	$105.08
92201 Extended exam of the back part of the eye with retinal drawing	15	14	$70.00	$23.47
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	14	14	$81.00	$53.08
36415 Insertion of needle into vein for collection of blood sample	13	11	$10.00	$8.40
92025 Ct scan of cornea	13	12	$87.00	$33.16
92020 Examination of cornea and iris using lens device and slit lamp	11	11	$73.00	$26.32

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
92014 Established patient complete exam of visual system	292	291	$262.98	$120.47
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	200	163	$191.00	$121.82
92134 Imaging of retina	169	117	$101.63	$38.27
92133 Imaging of optic nerve	162	135	$104.42	$33.62
92083 Exam of visual field with extended testing	134	112	$153.60	$58.29
92012 Established patient problem focused exam of visual system	129	109	$186.00	$84.68
66984 Removal of cataract with insertion of lens	124	77	$1721.03	$477.59
99213 Established patient office or other outpatient visit, typically 15 minutes	121	88	$129.00	$85.12
92136 Measurement of corneal curvature and depth of eye	96	74	$150.67	$37.83
67028 Injection of drug into eye	77	22	$449.00	$106.65
J3590 Unclassified biologics	65	13	$90.00	$38.72
J0178 Injection, aflibercept, 1 mg	60	11	$1817.40	$897.29
92004 New patient complete exam of visual system	56	56	$317.00	$143.09
76519 Ultrasound of eye for determination of lens power	52	52	$248.63	$63.75
76514 Ultrasound scan of cornea to determine thickness	50	49	$47.20	$10.24
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	28	28	$293.00	$158.39
92285 Photography of content of eyes	21	21	$51.62	$17.58
92082 Exam of visual field with intermediate testing	19	19	$119.26	$43.84
92250 Photography of the retina	19	19	$147.84	$34.92
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	15	13	$78.00	$53.20
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	13	13	$190.00	$106.14
15823 Removal of excessive skin and fat of upper eyelid	11	11	$2424.00	$778.08

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
92014 Established patient complete exam of visual system	248	247	$253.98	$120.96
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	133	121	$187.00	$124.14
92134 Imaging of retina	127	87	$99.70	$39.01
92133 Imaging of optic nerve	116	102	$101.97	$34.24
66984 Removal of cataract with insertion of lens	100	66	$1732.80	$491.38
92012 Established patient problem focused exam of visual system	96	84	$180.00	$85.71
99213 Established patient office or other outpatient visit, typically 15 minutes	84	69	$126.00	$87.25
92083 Exam of visual field with extended testing	71	66	$148.42	$58.32
92136 Measurement of corneal curvature and depth of eye	64	53	$175.00	$39.22
92004 New patient complete exam of visual system	59	59	$310.00	$144.74
76514 Ultrasound scan of cornea to determine thickness	51	51	$48.00	$10.38
76519 Ultrasound of eye for determination of lens power	46	46	$245.65	$61.14
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	15	14	$75.47	$53.54
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	14	14	$287.00	$151.43
66821 Removal of recurring cataract in lens capsule using a laser	13	11	$881.00	$318.23
92250 Photography of the retina	11	11	$155.00	$36.49
92201 Extended exam of the back part of the eye with retinal drawing	11	11	$70.00	$24.04

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	247	230	$183.00	$103.59
99213 Established patient office or other outpatient visit, typically 15 minutes	155	117	$124.00	$71.45
92014 Established patient complete exam of visual system	121	121	$240.96	$121.18
92133 Imaging of optic nerve	115	106	$85.63	$30.84
92134 Imaging of retina	92	66	$87.75	$36.11
66984 Removal of cataract with insertion of lens	77	50	$1743.46	$503.58
92083 Exam of visual field with extended testing	72	56	$108.86	$52.25
92136 Measurement of corneal curvature and depth of eye	51	40	$182.00	$31.90
76514 Ultrasound scan of cornea to determine thickness	44	44	$50.00	$10.78
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	35	33	$74.00	$42.97
76519 Ultrasound of eye for determination of lens power	33	33	$141.73	$33.72
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	32	32	$281.00	$156.73
92201 Extended exam of the back part of the eye with retinal drawing	16	16	$70.00	$24.49
92004 New patient complete exam of visual system	16	16	$302.00	$145.03
92285 Photography of content of eyes	15	15	$50.00	$16.98
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	15	15	$182.00	$102.47
92082 Exam of visual field with intermediate testing	15	15	$91.20	$43.46
92020 Examination of cornea and iris using lens device and slit lamp	12	12	$68.00	$26.85
92250 Photography of the retina	11	11	$153.64	$40.53

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	359	345	$179.00	$101.87
99213 Established patient office or other outpatient visit, typically 15 minutes	184	141	$122.00	$68.17
92133 Imaging of optic nerve	114	102	$101.89	$30.95
92134 Imaging of retina	86	81	$90.88	$35.93
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	78	78	$273.94	$154.07
92083 Exam of visual field with extended testing	63	54	$129.14	$52.40
66984 Removal of cataract with insertion of lens	56	39	$1654.63	$541.78
76514 Ultrasound scan of cornea to determine thickness	47	47	$48.32	$10.84
76519 Ultrasound of eye for determination of lens power	38	38	$246.37	$57.39
92250 Photography of the retina	22	21	$169.00	$46.59
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	22	22	$180.00	$100.54
92136 Measurement of corneal curvature and depth of eye	20	18	$192.00	$52.91
92020 Examination of cornea and iris using lens device and slit lamp	19	19	$66.00	$26.24
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	19	19	$73.00	$41.85
92225 Examination of eye by ophthalmoscope with retinal drawing	13	13	$70.00	$26.32

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	96	91	$171.22	$100.06
92014 Established patient complete exam of visual system	86	86	$220.00	$118.57
92133 Imaging of optic nerve	57	55	$103.51	$29.39
92012 Established patient problem focused exam of visual system	31	27	$163.00	$82.06
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	28	28	$265.00	$153.63
92134 Imaging of retina	26	24	$85.27	$34.44
99213 Established patient office or other outpatient visit, typically 15 minutes	25	22	$116.96	$68.18
92083 Exam of visual field with extended testing	23	19	$122.22	$51.08
76514 Ultrasound scan of cornea to determine thickness	22	22	$48.00	$13.42
66984 Removal of cataract with insertion of lens	18	12	$1742.93	$576.68
76519 Ultrasound of eye for determination of lens power	18	18	$278.00	$69.22
92004 New patient complete exam of visual system	17	17	$292.00	$142.14

Medical Specialties & State Licenses

CMS Verified: 2020-10-27

Ophthalmology Primary Specialty

NUCC Taxonomy Code: 207W00000X

State License IA 44880

An ophthalmologist has the knowledge and professional skills needed to provide comprehensive eye and vision care. Ophthalmologists are medically trained to diagnose, monitor and medically or surgically treat all ocular and visual disorders. This includes problems affecting the eye and its component structures, the eyelids, the orbit and the visual pathways. In so doing, an ophthalmologist prescribes vision services, including glasses and contact lenses.

Student in an Organized Health Care Education/Training Program

NUCC Taxonomy Code: 390200000X

An individual who is enrolled in an organized health care education/training program leading to a degree, certification, registration, and/or licensure to provide health care.

Hospital & Practice Group Affiliations

Mcfarland Clinic Pc

1128 Duff Ave, Ames, IA 500105776

Phone: 5152394460

Practice Associates & Co-Workers

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

5 Associated Practitioners

Dr. Phaedra Lipsey , OD

Optometrist

NPI 1356046254

Doctor of Optometry

Dr. Nicole Morrow , MD

Ophthalmology

NPI 1396364956

Doctor of Medicine (M.D.)

Dr. Kenneth Talbert , MD

Ophthalmology

NPI 1659352094

Doctor of Medicine (M.D.)

Dr. Tracy Kangas , MD PHD

Ophthalmology

NPI 1881662484

MDPHD

Dr. Carrie Koenig , OD

Optometrist

NPI 1881684652

Doctor of Optometry

Career & Practice History Timeline

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

10 Historical Events

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) February 03, 2020

Ophthalmology (License #44880 in IA)

📍

Updated Practice Location March 30, 2018

Registered at 1128 DUFF AVENUE, AMES, IA 50010 (Tel: 5152394460)

📍

Updated Business Mailing Address March 30, 2018

Registered at 1215 DUFF AVENUE, AMES, IA 50010 (Tel: 5152394460)

👤

Provider Name / Credentials Updated March 30, 2018

Recorded as JOY CARROLL, M.D.

✅

NPI Profile Active December 27, 2015

NPI status registered as active in NPPES database

📍

Updated Practice Location December 27, 2015

Registered at SURGERY EDUCATION OFC, D-4314 MEDICAL CENTER NORTH, NASHVILLE, TN 372322730 (Tel: 6153436642)

📍

Updated Business Mailing Address December 27, 2015

Registered at 2311 PIERCE AVE, NASHVILLE, TN 372320025 (Tel: 6159362020)

👤

Provider Name / Credentials Updated December 27, 2015

Recorded as JOY CARROLL

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) December 27, 2015

Student in an Organized Health Care Education/Training Program

🟢

Initial NPI Registration & Enumeration April 11, 2014

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: 1649699141

Entity Type:

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

Enumeration Date: April 11, 2014

Last Update: October 27, 2020

Sole Proprietor: No

Update or Correct Profile

Mailing Address

1215 Duff Avenue

Ames, IA 50010

Phone: 5152394460

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.