Active NPI 1982748232 Individual Practitioner Male Practitioner

Dr. Robert Stephen Grosserode , MD

Ophthalmology • Antioch, CA

Professional Overview & Biography Verified Profile Summary

Dr. Robert Grosserode, MD is a registered healthcare professional specializing in Ophthalmology in Antioch, CA. Practice services are available at 3747 SUNSET LN under active NPI credentials.

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

Practice Location & Contact Primary Location

Practice Address

3747 Sunset Ln

Antioch, CA 945096101

Telephone 9257542300

Associated Practice Facility / Clinic

🏢 California Eye Clinic Facility NPI 1598809758

Specialty Benchmarks & Practice Insights

Comparative analytics for Ophthalmology in Antioch, CA

Active Practitioner

Practitioner Clinical Experience

Active

City Avg: 22.2 Yrs

State Avg: 29.5 Yrs

Regional Practice Density

8 Specialists

Practicing in Antioch, CA (3116 Statewide)

Telehealth Adoption Rate

0.0% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount

44.7% 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 (2024)

Reporting Year:

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
92014 Established patient complete exam of visual system	280	277	$200.00	$158.36
92012 Established patient problem focused exam of visual system	127	102	$140.00	$113.25
92004 New patient complete exam of visual system	64	64	$250.00	$186.42
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	33	30	$100.00	$69.62
92083 Exam of visual field with extended testing	26	24	$285.00	$78.21
92133 Imaging of optic nerve	23	22	$150.00	$41.27
76514 Ultrasound scan of cornea to determine thickness	11	11	$70.00	$13.64

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
92014 Established patient complete exam of visual system	996	960	$199.96	$159.61
92012 Established patient problem focused exam of visual system	438	336	$140.00	$114.18
92083 Exam of visual field with extended testing	211	168	$285.00	$79.55
92133 Imaging of optic nerve	202	161	$150.00	$42.00
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	186	172	$100.00	$69.55
92004 New patient complete exam of visual system	142	142	$250.00	$187.82
92133 Imaging of optic nerve	80	68	$150.00	$25.11
92083 Exam of visual field with extended testing	80	68	$285.00	$31.58
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	54	53	$100.00	$40.17
76514 Ultrasound scan of cornea to determine thickness	36	33	$70.00	$13.61
92012 Established patient problem focused exam of visual system	21	21	$140.00	$59.14
99213 Established patient office or other outpatient visit, typically 15 minutes	18	18	$125.00	$109.04
92002 New patient problem focused exam of visual system	13	13	$150.00	$109.14

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
92014 Established patient complete exam of visual system	1,046	981	$200.00	$157.17
92012 Established patient problem focused exam of visual system	610	429	$140.00	$111.62
92004 New patient complete exam of visual system	229	229	$250.00	$184.97
92133 Imaging of optic nerve	165	157	$150.00	$25.28
92083 Exam of visual field with extended testing	164	156	$285.00	$31.31
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	150	147	$100.00	$40.67
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	134	126	$100.00	$68.30
92083 Exam of visual field with extended testing	122	117	$285.00	$76.70
92133 Imaging of optic nerve	113	109	$150.00	$40.46
66984 Removal of cataract with insertion of lens	65	47	$2000.00	$640.61
92012 Established patient problem focused exam of visual system	58	53	$140.00	$59.05
76514 Ultrasound scan of cornea to determine thickness	53	53	$70.00	$9.10
92136 Measurement of corneal curvature and depth of eye	45	40	$200.00	$35.65
92025 Ct scan of cornea	45	40	$100.00	$22.54
92002 New patient problem focused exam of visual system	32	32	$150.00	$107.65
66821 Removal of recurring cataract in lens capsule using a laser	30	26	$600.00	$380.13
76514 Ultrasound scan of cornea to determine thickness	28	28	$70.00	$12.62
92025 Ct scan of cornea	27	25	$100.00	$39.56
92136 Measurement of corneal curvature and depth of eye	25	23	$200.00	$59.96
99213 Established patient office or other outpatient visit, typically 15 minutes	20	19	$125.00	$108.22
66982 Complex removal of cataract with insertion of prosthetic lens	17	14	$3400.00	$884.34
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	13	13	$250.00	$152.40

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
92014 Established patient complete exam of visual system	1,072	994	$200.00	$156.65
92012 Established patient problem focused exam of visual system	645	485	$140.00	$111.73
92004 New patient complete exam of visual system	275	275	$250.00	$185.13
92133 Imaging of optic nerve	222	215	$150.00	$25.39
92083 Exam of visual field with extended testing	221	214	$285.00	$31.47
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	211	202	$100.00	$40.55
92012 Established patient problem focused exam of visual system	96	94	$140.00	$59.33
66984 Removal of cataract with insertion of lens	89	68	$2000.00	$647.78
92136 Measurement of corneal curvature and depth of eye	82	79	$200.00	$35.76
92025 Ct scan of cornea	80	77	$100.00	$22.59
76514 Ultrasound scan of cornea to determine thickness	76	76	$70.00	$9.13
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	62	59	$100.00	$67.91
66821 Removal of recurring cataract in lens capsule using a laser	36	30	$600.00	$381.08
92083 Exam of visual field with extended testing	30	30	$285.00	$77.06
66982 Complex removal of cataract with insertion of prosthetic lens	28	24	$3400.00	$885.33
92133 Imaging of optic nerve	28	28	$150.00	$40.82
92002 New patient problem focused exam of visual system	22	22	$150.00	$107.44
99213 Established patient office or other outpatient visit, typically 15 minutes	19	19	$125.00	$108.42
92025 Ct scan of cornea	13	13	$100.00	$40.18
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	12	12	$250.00	$153.22
92136 Measurement of corneal curvature and depth of eye	11	11	$200.00	$65.41

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
92014 Established patient complete exam of visual system	947	875	$200.00	$155.20
92012 Established patient problem focused exam of visual system	613	452	$140.00	$109.65
92004 New patient complete exam of visual system	243	243	$250.00	$184.17
92083 Exam of visual field with extended testing	139	134	$285.00	$32.52
92133 Imaging of optic nerve	130	126	$150.00	$26.25
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	125	122	$99.92	$29.03
66984 Removal of cataract with insertion of lens	102	79	$2000.00	$653.89
92012 Established patient problem focused exam of visual system	91	79	$140.00	$61.17
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	82	80	$100.61	$55.03
92136 Measurement of corneal curvature and depth of eye	75	60	$200.00	$36.97
92025 Ct scan of cornea	73	60	$100.00	$23.35
92083 Exam of visual field with extended testing	67	65	$285.00	$77.29
92133 Imaging of optic nerve	61	59	$150.00	$41.49
92025 Ct scan of cornea	41	37	$100.00	$39.79
92136 Measurement of corneal curvature and depth of eye	41	38	$200.00	$74.89
92002 New patient problem focused exam of visual system	35	35	$150.00	$104.64
66982 Complex removal of cataract with insertion of prosthetic lens	34	26	$3400.00	$895.16
66821 Removal of recurring cataract in lens capsule using a laser	33	27	$600.00	$381.87
99213 Established patient office or other outpatient visit, typically 15 minutes	23	18	$125.00	$89.36
67820 Removal of eyelashes using forceps	19	17	$200.00	$32.27

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
92014 Established patient complete exam of visual system	1,057	957	$200.00	$153.58
92012 Established patient problem focused exam of visual system	728	525	$140.00	$107.76
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	328	276	$100.00	$54.25
92004 New patient complete exam of visual system	322	322	$250.00	$182.36
92083 Exam of visual field with extended testing	251	229	$285.00	$80.09
92133 Imaging of optic nerve	203	186	$150.00	$41.53
92136 Measurement of corneal curvature and depth of eye	170	134	$201.18	$87.73
92025 Ct scan of cornea	159	127	$100.00	$42.11
66984 Removal of cataract with insertion of lens	146	115	$2000.00	$755.73
92002 New patient problem focused exam of visual system	47	47	$150.00	$102.78
66821 Removal of recurring cataract in lens capsule using a laser	32	28	$600.00	$377.90
99213 Established patient office or other outpatient visit, typically 15 minutes	26	24	$125.00	$87.45
66982 Complex removal of cataract with insertion of prosthetic lens	24	21	$3400.00	$925.14
67820 Removal of eyelashes using forceps	20	15	$200.00	$40.27
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	15	15	$246.67	$120.18
76514 Ultrasound scan of cornea to determine thickness	13	13	$70.00	$14.50

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
92014 Established patient complete exam of visual system	865	806	$200.00	$148.13
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	488	366	$100.00	$51.03
92083 Exam of visual field with extended testing	238	235	$285.00	$77.47
92133 Imaging of optic nerve	203	195	$150.00	$40.60
92004 New patient complete exam of visual system	186	186	$250.00	$176.47
92136 Measurement of corneal curvature and depth of eye	139	118	$200.00	$95.86
66984 Removal of cataract with insertion of lens	128	95	$2023.44	$733.23
92012 Established patient problem focused exam of visual system	117	110	$140.00	$103.34
92025 Ct scan of cornea	100	96	$100.00	$40.74
66821 Removal of recurring cataract in lens capsule using a laser	40	37	$600.00	$365.23
66982 Complex removal of cataract with insertion of prosthetic lens	25	22	$3384.00	$906.22
99211 Office or other outpatient visit for the evaluation and management of established patient that may not require presence of healthcare professional	21	21	$50.00	$25.96
99202 New patient office or other outpatient visit, typically 20 minutes	18	18	$130.00	$85.86
67820 Removal of eyelashes using forceps	17	13	$200.00	$48.76
92082 Exam of visual field with intermediate testing	15	15	$185.00	$57.70
76514 Ultrasound scan of cornea to determine thickness	15	15	$70.00	$17.22
92002 New patient problem focused exam of visual system	12	12	$150.00	$99.45

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
92014 Established patient complete exam of visual system	806	764	$200.06	$135.48
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	306	268	$100.00	$47.19
92083 Exam of visual field with extended testing	238	231	$285.00	$63.54
92133 Imaging of optic nerve	190	183	$150.00	$30.02
92004 New patient complete exam of visual system	164	164	$250.00	$161.41
99213 Established patient office or other outpatient visit, typically 15 minutes	164	155	$125.00	$78.47
92136 Measurement of corneal curvature and depth of eye	141	115	$200.00	$97.81
66984 Removal of cataract with insertion of lens	138	103	$2000.00	$679.19
99211 Office or other outpatient visit for the evaluation and management of established patient that may not require presence of healthcare professional	68	58	$50.00	$22.38
66821 Removal of recurring cataract in lens capsule using a laser	26	25	$938.46	$338.35
92012 Established patient problem focused exam of visual system	24	24	$140.00	$93.62
99201 New patient office or other outpatient visit, typically 10 minutes	18	18	$90.00	$47.34
67820 Removal of eyelashes using forceps	17	15	$282.35	$53.53
99202 New patient office or other outpatient visit, typically 20 minutes	15	15	$130.00	$80.14
66982 Complex removal of cataract with insertion of prosthetic lens	15	13	$3933.33	$844.23

Medical Specialties & State Licenses

Ophthalmology Primary Specialty

NUCC Taxonomy Code: 207W00000X

State License CA G51975

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

00G519750 (CA)

Practice Associates & Co-Workers

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

7 Associated Practitioners

Dr. Ivan Hwang , MD

Ophthalmology

NPI 1023152378

Doctor of Medicine (M.D.)

Dr. Alexander Wang , MD

Ophthalmology

NPI 1063049195

Doctor of Medicine (M.D.)

Dr. Meng Lee , OD

Optometrist

NPI 1538325139

Doctor of Optometry

Dr. David Huff , OD

Optometrist

NPI 1558405712

Doctor of Optometry

Dr. Avani Palvankar , OD

Optometrist

NPI 1750934162

Doctor of Optometry

Dr. Diya Nakrani , OD

Optometrist

NPI 1861362592

Doctor of Optometry

Career & Practice History Timeline

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

6 Historical Events

✅

NPI Profile Active July 08, 2007

NPI status registered as active in NPPES database

📍

Updated Practice Location July 08, 2007

Registered at 3747 SUNSET LN, ANTIOCH, CA 945096101 (Tel: 9257542300)

📍

Updated Business Mailing Address July 08, 2007

Registered at 3747 SUNSET LN, ANTIOCH, CA 945096101 (Tel: 9257542300)

👤

Provider Name / Credentials Updated July 08, 2007

Recorded as ROBERT GROSSERODE, MD

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) July 08, 2007

Ophthalmology (License #G51975 in CA)

🟢

Initial NPI Registration & Enumeration February 19, 2007

First registered as active Individual Practitioner in NPPES Database.

Patient & Community Reviews

Verified patient ratings, medical care experiences, and facility photos

0 Reviews

No patient reviews submitted yet for Dr. Robert Grosserode. Be the first to share your experience!

Only verified registered users can submit ratings, post feedback, and upload facility photos.

NPI Administrative Meta

NPI Number: 1982748232

Entity Type:

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

Enumeration Date: February 19, 2007

Last Update: July 08, 2007

Sole Proprietor: No

Update or Correct Profile

Mailing Address

3747 Sunset Ln

Antioch, CA 945096101

Phone: 9257542300

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.