Active NPI 1316937709 Individual Practitioner Male Practitioner

Dr. Peter Louis Lou , MD

Ophthalmology • Boston, MA

✓ Accepts Medicare Assignment

Professional Overview & Biography Verified Profile Summary

Dr. Peter Lou, MD is a certified Ophthalmology practicing in Boston, MA. With approximately 52 years of clinical experience since completing medical education in 1974, Dr. Lou delivers high-quality medical care to the local community at 10 HAWTHORNE PL.

Dr. Lou maintains professional affiliations with Retina Consultants Of Worcester Pc, North Suburban Eye Associates Llc, Massachusetts Eye Research And Surgery Institution Pc and accepts Medicare assignment.

Frequently performed procedures and clinical services include injection, faricimab-svoa, 0.1 mg, imaging of retina, established 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

10 Hawthorne Pl
Suite 106

Boston, MA 021142336

Telephone 6175230955

Fax 6175235376

Associated Practice Facility / Clinic

🏢 Ralph B Sozio Dmd Pc Facility NPI 1952315954

Medicare Profile & Education

Medical School

Other

Graduation Year

1974

Medicare Assignment

✓ Accepts Assignment

Telehealth Flag

In-Person Only

Specialty Benchmarks & Practice Insights

Comparative analytics for Ophthalmology in Boston, MA

Senior Veteran Specialist (>20 Yrs)

Practitioner Clinical Experience

52 Yrs +32.1 yrs vs City Avg

City Avg: 19.9 Yrs

State Avg: 30.8 Yrs

Regional Practice Density

339 Specialists

Practicing in Boston, MA (841 Statewide)

Telehealth Adoption Rate

5.0% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount

54.5% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Clinical Seniority & Experience Comparison

Dr. Lou (52 Years) 52 Yrs

Boston Specialty Average (19.9 Years) 19.9 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
J2777 Injection, faricimab-svoa, 0.1 mg	5,470	28	$74.73	$34.61
92134 Imaging of retina	718	416	$122.95	$44.94
92014 Established patient complete exam of visual system	629	366	$307.25	$142.25
92250 Photography of the retina	530	299	$144.58	$42.77
J0177 Injection, aflibercept hd, 1 mg	392	22	$687.76	$330.54
67028 Injection of drug into eye	230	73	$471.78	$131.75
92012 Established patient problem focused exam of visual system	183	155	$232.40	$95.57
J0178 Injection, aflibercept, 1 mg	84	18	$1500.00	$828.08
76512 Ultrasound of eye disease, growth, or structure	72	64	$249.31	$54.77
J9035 Injection, bevacizumab, 10 mg	34	15	$97.65	$72.16
92202 Extended exam of the back part of the eye with optic nerve drawing	16	13	$75.00	$16.55
92004 New patient complete exam of visual system	14	14	$345.00	$165.57

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
J2777 Injection, faricimab-svoa, 0.1 mg	6,180	31	$75.00	$36.64
92134 Imaging of retina	612	356	$125.69	$44.06
92250 Photography of the retina	550	322	$147.11	$41.68
92014 Established patient complete exam of visual system	506	356	$309.68	$139.40
67028 Injection of drug into eye	185	53	$468.00	$125.41
92012 Established patient problem focused exam of visual system	158	112	$288.04	$100.67
76512 Ultrasound of eye disease, growth, or structure	124	103	$250.00	$52.27
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	114	98	$232.46	$131.14
92201 Extended exam of the back part of the eye with retinal drawing	105	94	$60.00	$25.18
J0178 Injection, aflibercept, 1 mg	76	17	$1500.00	$870.85
92004 New patient complete exam of visual system	25	25	$352.00	$161.57
92235 Exam of retinal blood vessels using a special camera after injection of a dye	14	11	$500.00	$159.59

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
J2777 Injection, faricimab-svoa, 0.1 mg	1,800	18	$75.00	$37.45
92134 Imaging of retina	653	374	$127.20	$45.10
92250 Photography of the retina	606	333	$149.18	$42.40
92014 Established patient complete exam of visual system	494	377	$311.62	$142.26
J0178 Injection, aflibercept, 1 mg	226	48	$1500.00	$905.92
92201 Extended exam of the back part of the eye with retinal drawing	200	142	$60.20	$25.56
92012 Established patient problem focused exam of visual system	175	89	$295.89	$102.32
67028 Injection of drug into eye	171	59	$468.00	$123.80
76512 Ultrasound of eye disease, growth, or structure	170	140	$250.00	$53.66
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	154	124	$239.55	$134.55
92004 New patient complete exam of visual system	32	32	$384.38	$168.55
92202 Extended exam of the back part of the eye with optic nerve drawing	12	12	$100.00	$17.54

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
92134 Imaging of retina	735	413	$127.18	$45.66
92250 Photography of the retina	647	351	$150.78	$45.21
92014 Established patient complete exam of visual system	501	384	$302.13	$143.21
J0178 Injection, aflibercept, 1 mg	320	56	$1500.00	$918.62
92012 Established patient problem focused exam of visual system	237	124	$266.79	$102.68
76512 Ultrasound of eye disease, growth, or structure	207	151	$250.00	$55.45
67028 Injection of drug into eye	202	64	$468.00	$126.66
92201 Extended exam of the back part of the eye with retinal drawing	195	146	$60.62	$26.04
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	121	95	$238.10	$137.93
92004 New patient complete exam of visual system	47	47	$359.15	$170.38
J9035 Injection, bevacizumab, 10 mg	36	18	$100.00	$72.79

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
92134 Imaging of retina	573	346	$128.64	$45.66
92250 Photography of the retina	491	314	$150.84	$52.01
92014 Established patient complete exam of visual system	393	328	$282.80	$141.55
92012 Established patient problem focused exam of visual system	218	142	$200.00	$101.37
92201 Extended exam of the back part of the eye with retinal drawing	168	129	$63.75	$26.62
67028 Injection of drug into eye	162	58	$468.00	$112.23
76512 Ultrasound of eye disease, growth, or structure	117	89	$250.00	$58.29
J0178 Injection, aflibercept, 1 mg	108	25	$1500.00	$913.68
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	106	90	$232.45	$117.33
J9035 Injection, bevacizumab, 10 mg	106	49	$100.00	$78.49
92202 Extended exam of the back part of the eye with optic nerve drawing	26	26	$100.00	$17.76
92004 New patient complete exam of visual system	21	21	$331.67	$160.68

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
92226 Examination of eye by ophthalmoscope with retinal drawing	1,513	572	$80.81	$31.58
92134 Imaging of retina	594	346	$127.37	$45.64
92014 Established patient complete exam of visual system	561	462	$281.61	$140.38
92250 Photography of the retina	495	355	$150.74	$57.38
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	217	156	$227.28	$115.77
92012 Established patient problem focused exam of visual system	203	99	$199.41	$99.16
67028 Injection of drug into eye	163	69	$468.00	$111.36
J9035 Injection, bevacizumab, 10 mg	141	61	$100.00	$79.91
76512 Ultrasound of eye disease, growth, or structure	132	104	$250.00	$66.78
92225 Examination of eye by ophthalmoscope with retinal drawing	87	49	$149.43	$32.16
J0178 Injection, aflibercept, 1 mg	38	15	$1500.00	$942.55
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	27	27	$360.00	$180.32
92004 New patient complete exam of visual system	13	13	$301.92	$161.43

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
92226 Examination of eye by ophthalmoscope with retinal drawing	1,164	635	$106.53	$37.32
92250 Photography of the retina	636	459	$260.83	$62.13
92012 Established patient problem focused exam of visual system	545	315	$189.39	$94.20
92014 Established patient complete exam of visual system	399	395	$268.13	$133.86
92134 Imaging of retina	380	206	$135.03	$44.17
76512 Ultrasound of eye disease, growth, or structure	270	158	$240.94	$78.79
67028 Injection of drug into eye	208	77	$630.23	$108.30
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	147	122	$227.24	$110.75
J9035 Injection, bevacizumab, 10 mg	145	63	$142.07	$76.90
J2778 Injection, ranibizumab, 0.1 mg	118	18	$600.00	$375.86
92225 Examination of eye by ophthalmoscope with retinal drawing	94	67	$154.15	$39.48
J0178 Injection, aflibercept, 1 mg	80	20	$1500.00	$954.84
92004 New patient complete exam of visual system	47	47	$299.04	$158.81
92235 Exam of retinal blood vessels using a special camera after injection of a dye	35	34	$500.00	$93.02
99213 Established patient office or other outpatient visit, typically 15 minutes	26	23	$180.77	$76.56
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	23	23	$357.39	$169.60

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
92226 Examination of eye by ophthalmoscope with retinal drawing	981	648	$139.02	$45.44
92250 Photography of the retina	625	481	$349.38	$73.05
92012 Established patient problem focused exam of visual system	556	361	$176.36	$91.64
J2778 Injection, ranibizumab, 0.1 mg	548	33	$600.00	$372.66
92134 Imaging of retina	428	208	$147.43	$44.13
92014 Established patient complete exam of visual system	364	360	$250.49	$132.77
99213 Established patient office or other outpatient visit, typically 15 minutes	325	123	$175.18	$77.83
67028 Injection of drug into eye	272	80	$750.00	$108.64
76512 Ultrasound of eye disease, growth, or structure	256	134	$234.08	$98.55
J0178 Injection, aflibercept, 1 mg	202	32	$1500.00	$962.42
92225 Examination of eye by ophthalmoscope with retinal drawing	149	127	$132.11	$47.94
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	74	66	$207.03	$113.29
92004 New patient complete exam of visual system	74	74	$299.39	$160.29
92235 Exam of retinal blood vessels using a special camera after injection of a dye	66	65	$500.00	$84.45
J9035 Injection, bevacizumab, 10 mg	62	23	$167.74	$73.20

Medical Specialties & State Licenses

Ophthalmology Primary Specialty

NUCC Taxonomy Code: 207W00000X

State License MA 41309

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

2061538 (MA)

Commercial Insurance / Payer ID Bcbs Ma

M09543 (MA)

Commercial Insurance / Payer ID Tufts Health Plan

704090 (MA)

Hospital & Practice Group Affiliations

Retina Consultants Of Worcester Pc

63 Lincoln St, Worcester, MA 016052609

Massachusetts Eye Research And Surgery Institution Pc

1440 Main St, Waltham, MA 024511640

North Suburban Eye Associates Llc

669 Main St, Wakefield, MA 018805221

Phone: 7812455200

Andover Eye Associates, Inc

138 Haverhill St, Andover, MA 018101501

Phone: 9784750705

Massachusetts Eye Research And Surgery Institution Pc

1440 Main St, Waltham, MA 024511631

Phone: 7818916377

Retina Consultants Of Worcester Pc

63 Lincoln St, Worcester, MA 016052634

Phone: 5087911217

Practice Associates & Co-Workers

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

1 Associated Practitioners

Dr. Johanna Seddon , MD

Ophthalmology

NPI 1699753681

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 July 08, 2007

NPI status registered as active in NPPES database

📍

Updated Practice Location July 08, 2007

Registered at 10 HAWTHORNE PL, SUITE 106, BOSTON, MA 021142336 (Tel: 6175230955)

📍

Updated Business Mailing Address July 08, 2007

Registered at PO BOX 9142, MASS GENERAL PHYSICIAN ORGANIZATION, CHARLESTOWN, MA 021299142 (Tel: 6177240287)

👤

Provider Name / Credentials Updated July 08, 2007

Recorded as PETER LOU, MD

🎓

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

Ophthalmology (License #41309 in MA)

🟢

Initial NPI Registration & Enumeration October 26, 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: 1316937709

Entity Type:

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

Enumeration Date: October 26, 2005

Last Update: July 13, 2026

Sole Proprietor: No

Update or Correct Profile

Mailing Address

Po Box 9142, Mass General Physician Organization

Charlestown, MA 021299142

Phone: 6177240287

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.