Active NPI 1780681411 Individual Practitioner Female Practitioner

Dr. Gana R Nadiga , MD

Ophthalmology • Marshall, TX

✓ Accepts Medicare Assignment

Professional Overview & Biography Verified Profile Summary

Dr. Gana Nadiga, MD is a certified Ophthalmology practicing in Marshall, TX. With approximately 28 years of clinical experience since graduating from University Of Rochester School Of Medicine And Dentistry in 1998, Dr. Nadiga delivers high-quality medical care to the local community at 405 E PINECREST DR UNIT A.

Dr. Nadiga is affiliated with Marvin Kenneth Hall Iii and accepts Medicare assignment.

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

Practice Location & Contact Primary Location

Practice Address

405 E Pinecrest Dr Unit A

Marshall, TX 756707200

Telephone 9039388581

Fax 9039389409

Associated Practice Facility / Clinic

🏢 Marvin Kenneth Hall Iii Facility NPI 1841301249

Medicare Profile & Education

Medical School

University Of Rochester School Of Medicine And Dentistry

Graduation Year

1998

Medicare Assignment

✓ Accepts Assignment

Telehealth Flag

In-Person Only

Specialty Benchmarks & Practice Insights

Comparative analytics for Ophthalmology in Marshall, TX

Senior Veteran Specialist (>20 Yrs)

Practitioner Clinical Experience

28 Yrs -6.5 yrs vs City Avg

City Avg: 34.5 Yrs

State Avg: 26.2 Yrs

Regional Practice Density

2 Specialists

Practicing in Marshall, TX (1616 Statewide)

Telehealth Adoption Rate

0.0% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount

75.6% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Clinical Seniority & Experience Comparison

Dr. Nadiga (28 Years) 28 Yrs

Marshall Specialty Average (34.5 Years) 34.5 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
92012 Established patient problem focused exam of visual system	167	104	$175.00	$79.34
92014 Established patient complete exam of visual system	153	137	$225.00	$110.86
92133 Imaging of optic nerve	89	84	$125.00	$31.90
92136 Measurement of corneal curvature and depth of eye	55	25	$106.45	$22.64
66984 Removal of cataract with insertion of lens	31	21	$2900.00	$466.84
92004 New patient complete exam of visual system	29	29	$250.00	$134.75
92083 Exam of visual field with extended testing	25	22	$150.00	$54.39
66821 Removal of recurring cataract in lens capsule using a laser	18	15	$900.00	$274.86
92134 Imaging of retina	18	14	$125.00	$35.87

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
92014 Established patient complete exam of visual system	168	145	$225.00	$120.84
92012 Established patient problem focused exam of visual system	160	110	$175.00	$86.18
92133 Imaging of optic nerve	94	91	$125.00	$34.10
92136 Measurement of corneal curvature and depth of eye	69	31	$106.74	$23.67
92004 New patient complete exam of visual system	47	47	$250.00	$143.85
66984 Removal of cataract with insertion of lens	38	28	$2900.00	$496.38
92083 Exam of visual field with extended testing	27	22	$150.00	$59.77
92134 Imaging of retina	19	16	$125.00	$38.69
66821 Removal of recurring cataract in lens capsule using a laser	18	18	$900.00	$295.45

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
92012 Established patient problem focused exam of visual system	204	118	$175.00	$86.38
92014 Established patient complete exam of visual system	162	147	$225.00	$123.04
92133 Imaging of optic nerve	112	107	$125.00	$35.08
92136 Measurement of corneal curvature and depth of eye	80	38	$107.00	$25.52
66984 Removal of cataract with insertion of lens	39	30	$2900.00	$517.07
92004 New patient complete exam of visual system	36	36	$250.00	$143.44
92083 Exam of visual field with extended testing	33	31	$150.00	$58.89
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	29	24	$175.00	$112.58
66821 Removal of recurring cataract in lens capsule using a laser	20	17	$900.00	$297.87
92134 Imaging of retina	18	16	$125.00	$38.93

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes	264	177	$148.47	$87.94
92133 Imaging of optic nerve	109	105	$125.00	$35.75
92136 Measurement of corneal curvature and depth of eye	78	33	$107.31	$28.74
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	71	60	$163.59	$121.06
92083 Exam of visual field with extended testing	41	35	$150.00	$61.84
66984 Removal of cataract with insertion of lens	41	29	$2900.00	$528.18
92012 Established patient problem focused exam of visual system	35	33	$175.00	$87.90
92014 Established patient complete exam of visual system	31	30	$225.00	$124.21
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	26	26	$251.54	$163.39
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	24	24	$175.00	$109.20
92134 Imaging of retina	19	14	$125.00	$39.94
92004 New patient complete exam of visual system	14	14	$250.00	$147.83
66821 Removal of recurring cataract in lens capsule using a laser	14	13	$900.00	$277.07
92250 Photography of the retina	12	12	$175.00	$37.19
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	11	11	$96.36	$54.77
76514 Ultrasound scan of cornea to determine thickness	11	11	$75.00	$10.59

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
92012 Established patient problem focused exam of visual system	199	135	$175.00	$83.25
92014 Established patient complete exam of visual system	191	169	$225.00	$118.12
92133 Imaging of optic nerve	125	117	$125.00	$33.78
92136 Measurement of corneal curvature and depth of eye	65	29	$108.38	$30.06
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	54	36	$80.00	$41.98
92004 New patient complete exam of visual system	51	51	$250.00	$142.99
92083 Exam of visual field with extended testing	41	39	$150.00	$59.18
66984 Removal of cataract with insertion of lens	31	22	$2900.00	$500.03
92134 Imaging of retina	25	18	$125.00	$38.43
66821 Removal of recurring cataract in lens capsule using a laser	21	18	$900.00	$276.14
92002 New patient problem focused exam of visual system	12	12	$150.00	$75.36
76514 Ultrasound scan of cornea to determine thickness	12	12	$75.00	$10.57

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
92014 Established patient complete exam of visual system	195	169	$225.00	$118.21
92012 Established patient problem focused exam of visual system	195	132	$175.00	$82.29
92133 Imaging of optic nerve	117	110	$125.00	$33.94
92136 Measurement of corneal curvature and depth of eye	108	46	$107.22	$32.08
92004 New patient complete exam of visual system	64	64	$250.00	$142.43
66984 Removal of cataract with insertion of lens	60	39	$2900.00	$592.79
92083 Exam of visual field with extended testing	54	49	$150.00	$59.63
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	39	28	$80.00	$41.81
92134 Imaging of retina	21	13	$125.00	$38.18
76514 Ultrasound scan of cornea to determine thickness	17	17	$75.00	$11.05
66821 Removal of recurring cataract in lens capsule using a laser	15	14	$900.00	$262.85

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
92012 Established patient problem focused exam of visual system	245	148	$175.00	$79.15
92014 Established patient complete exam of visual system	205	178	$225.00	$115.40
92133 Imaging of optic nerve	120	108	$125.00	$33.84
92136 Measurement of corneal curvature and depth of eye	67	33	$108.43	$35.09
92083 Exam of visual field with extended testing	63	55	$150.00	$58.25
92004 New patient complete exam of visual system	53	53	$250.00	$137.56
66984 Removal of cataract with insertion of lens	32	25	$2900.00	$567.63
66821 Removal of recurring cataract in lens capsule using a laser	20	15	$900.00	$256.12
76514 Ultrasound scan of cornea to determine thickness	16	16	$75.00	$13.27
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	14	14	$80.00	$40.03
92250 Photography of the retina	11	11	$175.00	$48.47
92002 New patient problem focused exam of visual system	11	11	$150.00	$76.42

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
92012 Established patient problem focused exam of visual system	235	144	$175.00	$77.38
92014 Established patient complete exam of visual system	169	150	$225.00	$112.31
92133 Imaging of optic nerve	87	83	$125.00	$33.05
92136 Measurement of corneal curvature and depth of eye	66	31	$108.64	$39.35
92083 Exam of visual field with extended testing	53	51	$150.00	$57.55
92004 New patient complete exam of visual system	49	49	$250.00	$135.61
66984 Removal of cataract with insertion of lens	37	27	$2900.00	$567.97
76514 Ultrasound scan of cornea to determine thickness	16	16	$75.00	$12.89
66821 Removal of recurring cataract in lens capsule using a laser	15	14	$900.00	$271.01
92134 Imaging of retina	12	12	$125.00	$37.23

Medical Specialties & State Licenses

CMS Verified: 2022-08-22

Ophthalmology Primary Specialty

NUCC Taxonomy Code: 207W00000X

State License TX L9824

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.

Additional State Medicaid & Healthcare Payer Identifiers

Medicaid State Provider ID

171063402 (TX)

Commercial Insurance / Payer ID Blue Cross

8V9480 (TX)

Hospital & Practice Group Affiliations

Marvin Kenneth Hall Iii

405 E Pinecrest Dr, Marshall, TX 756707200

Phone: 9039388581

Practice Associates & Co-Workers

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

1 Associated Practitioners

Dr. M Hall , MD

Ophthalmology

NPI 1104932367

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 March 14, 2013

NPI status registered as active in NPPES database

📍

Updated Practice Location March 14, 2013

Registered at 405 E PINECREST DR UNIT A, MARSHALL, TX 756707200 (Tel: 9039388581)

📍

Updated Business Mailing Address March 14, 2013

Registered at 405 E PINECREST DR UNIT A, MARSHALL, TX 756707200 (Tel: 9039388581)

👤

Provider Name / Credentials Updated March 14, 2013

Recorded as GANA NADIGA, MD

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) March 14, 2013

Ophthalmology (License #L9824 in TX)

🟢

Initial NPI Registration & Enumeration July 07, 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: 1780681411

Entity Type:

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

Enumeration Date: July 07, 2005

Last Update: August 22, 2022

Sole Proprietor: No

Update or Correct Profile

Mailing Address

405 E Pinecrest Dr Unit A

Marshall, TX 756707200

Phone: 9039388581

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.