Active NPI 1821127770 Individual Practitioner Male Practitioner

Dr. Gregory Richard Spencer , MD

Ophthalmology • Oxnard, CA

✓ Accepts Medicare Assignment

Professional Overview & Biography Verified Profile Summary

Dr. Gregory Spencer, MD is a certified Ophthalmology practicing in Oxnard, CA. With approximately 37 years of clinical experience since graduating from University Of California, Geffen School Of Medicine in 1989, Dr. Spencer delivers high-quality medical care to the local community at 1200 W GONZALES RD STE 200.

Dr. Spencer is affiliated with Paul J Dougherty M D Inc and accepts Medicare assignment.

Frequently performed procedures and clinical services include established patient problem focused exam of visual system, measurement of corneal curvature and depth of eye, removal of cataract with insertion of lens. Full Medicare procedure pricing transparency rates and service volume details are listed on this profile.

Practice Location & Contact Primary Location

Practice Address

1200 W Gonzales Rd Ste 200
Suite 200

Oxnard, CA 930363074

Telephone 8059830923

Fax 8059830976

Associated Practice Facility / Clinic

🏢 Spencer Eye Surgery & Laser Center, Llc Facility NPI 1467506907

Medicare Profile & Education

Medical School

University Of California, Geffen School Of Medicine

Graduation Year

1989

Medicare Assignment

✓ Accepts Assignment

Telehealth Flag

In-Person Only

Specialty Benchmarks & Practice Insights

Comparative analytics for Ophthalmology in Oxnard, CA

Senior Veteran Specialist (>20 Yrs)

Practitioner Clinical Experience

37 Yrs +3.7 yrs vs City Avg

City Avg: 33.3 Yrs

State Avg: 29.5 Yrs

Regional Practice Density

7 Specialists

Practicing in Oxnard, CA (3116 Statewide)

Telehealth Adoption Rate

0.0% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount

67.3% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Clinical Seniority & Experience Comparison

Dr. Spencer (37 Years) 37 Yrs

Oxnard Specialty Average (33.3 Years) 33.3 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	858	334	$130.45	$93.77
92136 Measurement of corneal curvature and depth of eye	291	168	$250.00	$40.71
66984 Removal of cataract with insertion of lens	253	148	$2492.09	$504.66
92004 New patient complete exam of visual system	176	176	$190.00	$156.25
92014 Established patient complete exam of visual system	127	124	$169.84	$132.25
66821 Removal of recurring cataract in lens capsule using a laser	124	118	$1347.78	$428.26
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	58	58	$210.00	$170.06
66821 Removal of recurring cataract in lens capsule using a laser	49	45	$1357.14	$403.95
92083 Exam of visual field with extended testing	45	43	$115.00	$67.13
66982 Complex removal of cataract with insertion of prosthetic lens	40	27	$2450.00	$663.66
65855 Laser repair to improve eye fluid flow	39	29	$675.00	$248.74
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	35	26	$85.00	$58.72
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	29	28	$165.00	$130.74
99213 Established patient office or other outpatient visit, typically 15 minutes	14	14	$125.00	$93.23

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
92012 Established patient problem focused exam of visual system	707	312	$129.99	$99.64
92136 Measurement of corneal curvature and depth of eye	272	168	$250.00	$43.76
66984 Removal of cataract with insertion of lens	235	142	$2482.98	$523.01
92004 New patient complete exam of visual system	156	156	$190.00	$165.37
66821 Removal of recurring cataract in lens capsule using a laser	143	137	$1370.63	$451.86
92014 Established patient complete exam of visual system	104	97	$170.00	$140.20
92083 Exam of visual field with extended testing	72	62	$115.00	$70.47
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	68	51	$85.00	$61.64
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	46	46	$165.00	$137.32
99213 Established patient office or other outpatient visit, typically 15 minutes	41	40	$125.00	$97.45
66982 Complex removal of cataract with insertion of prosthetic lens	30	22	$2491.67	$722.41
65855 Laser repair to improve eye fluid flow	23	19	$675.00	$266.88
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	21	21	$210.00	$177.82

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
92012 Established patient problem focused exam of visual system	690	326	$120.00	$100.39
92136 Measurement of corneal curvature and depth of eye	301	186	$250.00	$46.29
66984 Removal of cataract with insertion of lens	262	158	$2438.36	$504.50
92004 New patient complete exam of visual system	163	163	$190.00	$167.22
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	136	93	$80.29	$62.56
66821 Removal of recurring cataract in lens capsule using a laser	125	117	$1274.00	$440.60
92014 Established patient complete exam of visual system	113	107	$165.00	$141.94
92083 Exam of visual field with extended testing	77	69	$115.00	$71.52
99213 Established patient office or other outpatient visit, typically 15 minutes	59	56	$120.00	$99.52
65855 Laser repair to improve eye fluid flow	35	27	$1000.00	$271.53
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	31	31	$160.00	$137.04
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	30	30	$210.00	$180.72
66982 Complex removal of cataract with insertion of prosthetic lens	29	20	$2500.00	$754.46

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
92012 Established patient problem focused exam of visual system	900	317	$119.91	$101.81
66984 Removal of cataract with insertion of lens	321	186	$2412.77	$517.26
92136 Measurement of corneal curvature and depth of eye	311	191	$250.00	$50.00
92004 New patient complete exam of visual system	177	177	$190.00	$167.64
66821 Removal of recurring cataract in lens capsule using a laser	158	137	$1218.35	$438.03
92014 Established patient complete exam of visual system	144	138	$164.69	$141.98
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	136	62	$77.46	$62.55
92083 Exam of visual field with extended testing	104	102	$115.00	$72.73
99213 Established patient office or other outpatient visit, typically 15 minutes	104	101	$114.95	$99.42
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	57	56	$154.30	$139.92
65855 Laser repair to improve eye fluid flow	54	36	$1000.00	$275.99
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	40	40	$206.75	$182.92
0356T Insertion of drug delivery implant into tear ducts	21	19	$800.00	$29.59
0191T Internal insertion of eye fluid drainage device	19	11	$3000.00	$364.47

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
92012 Established patient problem focused exam of visual system	607	316	$120.00	$99.79
92136 Measurement of corneal curvature and depth of eye	249	157	$250.00	$55.26
66984 Removal of cataract with insertion of lens	233	146	$2500.00	$600.82
92004 New patient complete exam of visual system	104	104	$190.00	$167.09
92014 Established patient complete exam of visual system	92	92	$165.00	$141.76
66821 Removal of recurring cataract in lens capsule using a laser	92	87	$1226.90	$415.64
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	53	36	$65.00	$50.83
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	23	23	$200.00	$179.27
65855 Laser repair to improve eye fluid flow	21	16	$1000.00	$266.26
0356T Insertion of drug delivery implant into tear ducts	19	14	$1389.47	$28.52
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	14	14	$130.00	$119.56
99213 Established patient office or other outpatient visit, typically 15 minutes	12	12	$95.00	$82.56

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
92012 Established patient problem focused exam of visual system	1,674	554	$120.00	$98.38
92136 Measurement of corneal curvature and depth of eye	386	239	$250.00	$60.19
66984 Removal of cataract with insertion of lens	379	229	$2500.00	$699.63
92004 New patient complete exam of visual system	178	178	$190.00	$166.95
92014 Established patient complete exam of visual system	173	167	$165.00	$140.52
66821 Removal of recurring cataract in lens capsule using a laser	154	149	$1227.27	$413.51
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	81	57	$65.00	$48.63
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	53	53	$200.00	$176.68
0191T Internal insertion of eye fluid drainage device	21	12	$3000.00	$227.99
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	19	19	$130.00	$117.79
99213 Established patient office or other outpatient visit, typically 15 minutes	16	16	$95.00	$77.21

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
92012 Established patient problem focused exam of visual system	1,774	584	$118.70	$94.81
66984 Removal of cataract with insertion of lens	298	190	$2500.00	$672.25
92136 Measurement of corneal curvature and depth of eye	295	188	$250.00	$63.89
92014 Established patient complete exam of visual system	185	175	$163.41	$135.48
66821 Removal of recurring cataract in lens capsule using a laser	154	147	$1272.73	$409.88
92004 New patient complete exam of visual system	145	145	$188.69	$160.14
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	57	57	$200.00	$171.73
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	41	33	$63.78	$47.02
99213 Established patient office or other outpatient visit, typically 15 minutes	32	32	$95.00	$77.03
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	25	25	$130.00	$113.35

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
92012 Established patient problem focused exam of visual system	1,837	641	$115.00	$91.99
92136 Measurement of corneal curvature and depth of eye	335	218	$250.00	$71.52
66984 Removal of cataract with insertion of lens	318	206	$2500.00	$678.83
92014 Established patient complete exam of visual system	222	212	$160.00	$132.91
66821 Removal of recurring cataract in lens capsule using a laser	202	184	$1199.88	$399.00
92004 New patient complete exam of visual system	157	157	$185.00	$159.35
99213 Established patient office or other outpatient visit, typically 15 minutes	116	115	$95.00	$77.22
92083 Exam of visual field with extended testing	96	94	$115.00	$70.68
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	66	47	$60.00	$46.61
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	63	63	$200.00	$171.41
92082 Exam of visual field with intermediate testing	16	14	$94.06	$52.93
92133 Imaging of optic nerve	16	16	$160.00	$40.45
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	16	16	$130.00	$113.22
65778 Insertion of amniotic membrane to eye surface	16	12	$1950.00	$1613.30
65855 Laser repair to improve eye fluid flow	15	15	$1200.00	$260.62

Medical Specialties & State Licenses

Ophthalmology Primary Specialty

NUCC Taxonomy Code: 207W00000X

State License CA G072734

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.

Hospital & Practice Group Affiliations

Paul J Dougherty M D Inc

1200 W Gonzales Rd, Oxnard, CA 930363074

Phone: 8059875300

Practice Associates & Co-Workers

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

1 Associated Practitioners

Dr. Louis Spencer , MD

Ophthalmology

NPI 1831243351

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 September 26, 2007

NPI status registered as active in NPPES database

📍

Updated Practice Location September 26, 2007

Registered at 1200 W GONZALES RD STE 200, SUITE 200, OXNARD, CA 930363074 (Tel: 8059830923)

📍

Updated Business Mailing Address September 26, 2007

Registered at 1200 W GONZALES RD STE 200, SUITE 200, OXNARD, CA 930363074 (Tel: 8059830923)

👤

Provider Name / Credentials Updated September 26, 2007

Recorded as GREGORY SPENCER, M.D.

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) September 26, 2007

Ophthalmology (License #G072734 in CA)

🟢

Initial NPI Registration & Enumeration March 05, 2007

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: 1821127770

Entity Type:

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

Enumeration Date: March 05, 2007

Last Update: September 26, 2007

Sole Proprietor: Yes

Update or Correct Profile

Mailing Address

1200 W Gonzales Rd Ste 200, Suite 200

Oxnard, CA 930363074

Phone: 8059830923

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.