Active NPI 1902998776 Individual Practitioner Male Practitioner

Dr. Gregory R. Blaha , MD, PhD

Ophthalmology • Peabody, MA

✓ Accepts Medicare Assignment

Professional Overview & Biography Verified Profile Summary

Dr. Gregory Blaha, MD, PhD is a certified Ophthalmology practicing in Peabody, MA. With approximately 26 years of clinical experience since graduating from Perelman School Of Med At The University Of Pennsylvania in 2000, Dr. Blaha delivers high-quality medical care to the local community at ONE ESSEX CENTER DRIVE.

Dr. Blaha maintains professional affiliations with Lahey Clinic Inc, John Gurley Md Pc and accepts Medicare assignment.

Frequently performed procedures and clinical services include injection, faricimab-svoa, 0.1 mg, imaging of retina, injection of drug into eye. Full Medicare procedure pricing transparency rates and service volume details are listed on this profile.

Practice Location & Contact Primary Location

Practice Address

One Essex Center Drive
Lahey Clinic

Peabody, MA 019602901

Telephone 9785384400

Fax 9785384724

Medicare Profile & Education

Medical School

Perelman School Of Med At The University Of Pennsylvania

Graduation Year

2000

Medicare Assignment

✓ Accepts Assignment

Telehealth Flag

In-Person Only

Specialty Benchmarks & Practice Insights

Comparative analytics for Ophthalmology in Peabody, MA

Senior Veteran Specialist (>20 Yrs)

Practitioner Clinical Experience

26 Yrs -6.0 yrs vs City Avg

City Avg: 32.0 Yrs

State Avg: 30.8 Yrs

Regional Practice Density

11 Specialists

Practicing in Peabody, MA (841 Statewide)

Telehealth Adoption Rate

9.1% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount

76.9% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Clinical Seniority & Experience Comparison

Dr. Blaha (26 Years) 26 Yrs

Peabody Specialty Average (32.0 Years) 32.0 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
J2777 Injection, faricimab-svoa, 0.1 mg	3,660	14	$70.00	$34.53
92134 Imaging of retina	1,429	539	$97.93	$25.01
67028 Injection of drug into eye	823	211	$405.35	$99.83
92134 Imaging of retina	731	290	$75.14	$41.89
99213 Established patient office or other outpatient visit, typically 15 minutes	640	366	$319.31	$66.52
67028 Injection of drug into eye	444	88	$215.77	$126.37
J9035 Injection, bevacizumab, 10 mg	373	75	$150.00	$72.24
99213 Established patient office or other outpatient visit, typically 15 minutes	337	176	$100.30	$93.68
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	305	237	$397.10	$97.81
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	231	185	$59.46	$16.72
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	210	183	$151.43	$132.01
92250 Photography of the retina	76	57	$86.74	$20.88
92250 Photography of the retina	71	61	$127.82	$38.26
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	68	68	$516.18	$134.35
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	60	52	$30.00	$16.72
92014 Established patient complete exam of visual system	54	54	$153.24	$130.80
66984 Removal of cataract with insertion of lens	39	30	$2174.49	$477.11
92136 Measurement of corneal curvature and depth of eye	32	29	$116.78	$30.64
76512 Ultrasound of eye disease, growth, or structure	31	23	$199.32	$31.89
92014 Established patient complete exam of visual system	30	30	$397.93	$75.78
92235 Exam of retinal blood vessels using a special camera after injection of a dye	21	21	$163.00	$42.64
67228 Laser destruction of leaking retinal blood vessels, 1 or more sessions	20	14	$3197.30	$300.09
67042 Removal of membrane of retina with removal of internal limiting membrane of retina	19	18	$3929.68	$1157.87
67145 Photocoagulation treatment to prevent detachment of retina	12	11	$2014.83	$231.60

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
92134 Imaging of retina	1,393	529	$105.99	$25.62
67028 Injection of drug into eye	817	183	$475.79	$101.64
92134 Imaging of retina	671	288	$75.52	$42.46
99213 Established patient office or other outpatient visit, typically 15 minutes	530	251	$240.59	$67.73
67028 Injection of drug into eye	382	74	$236.91	$129.93
J9035 Injection, bevacizumab, 10 mg	335	62	$150.00	$71.45
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	289	230	$345.53	$99.85
99213 Established patient office or other outpatient visit, typically 15 minutes	257	136	$101.17	$93.76
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	210	186	$152.86	$132.35
92014 Established patient complete exam of visual system	167	143	$333.48	$78.19
92014 Established patient complete exam of visual system	86	83	$154.07	$132.90
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	60	60	$493.42	$136.64
92250 Photography of the retina	58	55	$124.57	$38.62
92285 Photography of content of eyes	34	29	$50.00	$3.10
92136 Measurement of corneal curvature and depth of eye	33	31	$117.52	$31.26
66984 Removal of cataract with insertion of lens	31	26	$2220.03	$498.53
92250 Photography of the retina	26	23	$88.69	$21.73
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	20	18	$477.00	$147.10
92235 Exam of retinal blood vessels using a special camera after injection of a dye	14	14	$170.00	$43.60
67036 Removal of eye fluid (vitreous) between the lens and retina	12	11	$2999.79	$785.61
67042 Removal of membrane of retina with removal of internal limiting membrane of retina	12	11	$4480.67	$1175.98
76512 Ultrasound of eye disease, growth, or structure	12	12	$214.67	$34.24
66821 Removal of recurring cataract in lens capsule using a laser	11	11	$912.18	$324.61

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
92134 Imaging of retina	1,327	517	$105.98	$26.23
67028 Injection of drug into eye	702	159	$488.23	$102.25
92134 Imaging of retina	628	256	$75.68	$42.94
99213 Established patient office or other outpatient visit, typically 15 minutes	467	216	$221.68	$69.40
67028 Injection of drug into eye	352	64	$232.67	$127.90
J9035 Injection, bevacizumab, 10 mg	299	55	$150.00	$67.86
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	285	220	$317.39	$102.08
99213 Established patient office or other outpatient visit, typically 15 minutes	256	119	$102.34	$94.62
92014 Established patient complete exam of visual system	237	200	$311.36	$79.59
J0178 Injection, aflibercept, 1 mg	180	12	$2250.00	$902.94
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	165	148	$152.12	$134.22
92014 Established patient complete exam of visual system	104	95	$150.00	$134.47
92285 Photography of content of eyes	79	63	$48.38	$3.18
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	52	52	$477.62	$138.51
66984 Removal of cataract with insertion of lens	51	38	$2197.94	$506.58
92250 Photography of the retina	51	48	$125.00	$39.34
92136 Measurement of corneal curvature and depth of eye	30	30	$114.93	$31.74
76512 Ultrasound of eye disease, growth, or structure	25	23	$236.64	$38.42
67042 Removal of membrane of retina with removal of internal limiting membrane of retina	19	19	$4700.58	$1187.17
92235 Exam of retinal blood vessels using a special camera after injection of a dye	17	17	$169.35	$44.04
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	14	14	$445.00	$151.56
66821 Removal of recurring cataract in lens capsule using a laser	13	12	$844.00	$326.91

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
92134 Imaging of retina	1,350	516	$102.05	$26.71
67028 Injection of drug into eye	761	176	$464.71	$103.48
92134 Imaging of retina	564	229	$75.35	$43.80
99213 Established patient office or other outpatient visit, typically 15 minutes	505	245	$214.94	$70.61
67028 Injection of drug into eye	318	63	$217.92	$128.92
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	283	226	$307.37	$104.13
J9035 Injection, bevacizumab, 10 mg	278	55	$123.20	$72.13
92014 Established patient complete exam of visual system	225	185	$302.68	$81.34
99213 Established patient office or other outpatient visit, typically 15 minutes	203	106	$100.99	$96.54
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	179	156	$153.63	$137.30
J0178 Injection, aflibercept, 1 mg	156	12	$2250.00	$918.58
92014 Established patient complete exam of visual system	100	92	$151.75	$135.57
92250 Photography of the retina	49	42	$127.04	$41.89
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	39	39	$463.31	$142.58
92285 Photography of content of eyes	31	26	$46.65	$3.23
66984 Removal of cataract with insertion of lens	22	19	$2135.55	$536.34
66821 Removal of recurring cataract in lens capsule using a laser	18	18	$821.33	$332.10
67036 Removal of eye fluid (vitreous) between the lens and retina	18	18	$2690.50	$816.49
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	16	16	$313.63	$87.51
67042 Removal of membrane of retina with removal of internal limiting membrane of retina	16	15	$4335.34	$1121.32
92136 Measurement of corneal curvature and depth of eye	15	15	$110.80	$32.20
92235 Exam of retinal blood vessels using a special camera after injection of a dye	13	13	$165.15	$44.71
76512 Ultrasound of eye disease, growth, or structure	12	11	$191.00	$32.58

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
92134 Imaging of retina	1,089	480	$98.93	$27.14
67028 Injection of drug into eye	694	224	$460.80	$113.61
92134 Imaging of retina	454	212	$75.44	$43.77
99213 Established patient office or other outpatient visit, typically 15 minutes	431	218	$207.85	$54.27
67028 Injection of drug into eye	296	64	$210.81	$111.77
J9035 Injection, bevacizumab, 10 mg	269	58	$100.00	$78.32
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	222	181	$299.16	$83.69
92014 Established patient complete exam of visual system	207	184	$294.00	$84.10
99213 Established patient office or other outpatient visit, typically 15 minutes	196	93	$100.00	$79.93
99441 Telephone medical discussion with physician, 5-10 minutes	169	138	$73.20	$27.37
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	151	135	$151.99	$115.91
92014 Established patient complete exam of visual system	88	84	$153.98	$134.23
99442 Telephone medical discussion with physician, 11-20 minutes	52	50	$122.79	$54.37
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	38	38	$449.05	$137.07
92250 Photography of the retina	37	33	$125.00	$48.52
66984 Removal of cataract with insertion of lens	26	22	$2082.85	$495.04
76512 Ultrasound of eye disease, growth, or structure	20	14	$194.70	$35.25
92136 Measurement of corneal curvature and depth of eye	20	19	$107.20	$33.21
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	11	11	$301.45	$80.31

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
92134 Imaging of retina	1,638	591	$95.70	$27.23
67028 Injection of drug into eye	894	209	$437.01	$112.89
99213 Established patient office or other outpatient visit, typically 15 minutes	709	281	$201.52	$53.59
92134 Imaging of retina	560	241	$75.27	$43.69
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	310	241	$289.38	$82.60
67028 Injection of drug into eye	296	68	$208.78	$110.60
J9035 Injection, bevacizumab, 10 mg	253	60	$100.00	$79.95
92014 Established patient complete exam of visual system	250	215	$284.76	$83.67
99213 Established patient office or other outpatient visit, typically 15 minutes	249	108	$100.40	$78.51
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	174	149	$150.86	$114.83
92014 Established patient complete exam of visual system	102	94	$151.72	$134.54
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	65	65	$434.80	$135.49
92250 Photography of the retina	36	36	$125.00	$53.32
76512 Ultrasound of eye disease, growth, or structure	35	26	$185.26	$38.14
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	23	23	$292.35	$80.02
66984 Removal of cataract with insertion of lens	18	15	$2025.67	$530.39
92225 Examination of eye by ophthalmoscope with retinal drawing	17	17	$86.47	$26.77
92136 Measurement of corneal curvature and depth of eye	16	16	$103.38	$33.23
66821 Removal of recurring cataract in lens capsule using a laser	16	15	$774.63	$333.64
67042 Removal of membrane of retina with removal of internal limiting membrane of retina	16	14	$3764.13	$1034.72
67145 Photocoagulation treatment to prevent detachment of retina	14	13	$1301.14	$550.49
92235 Exam of retinal blood vessels using a special camera after injection of a dye	13	13	$155.54	$45.91
92083 Exam of visual field with extended testing	12	12	$95.25	$29.46

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
92134 Imaging of retina	1,482	516	$95.00	$27.25
67028 Injection of drug into eye	821	172	$444.11	$114.29
99213 Established patient office or other outpatient visit, typically 15 minutes	701	258	$199.91	$53.23
92134 Imaging of retina	587	237	$75.17	$43.85
67028 Injection of drug into eye	289	56	$212.46	$110.26
99213 Established patient office or other outpatient visit, typically 15 minutes	283	125	$100.35	$76.29
92014 Established patient complete exam of visual system	258	212	$283.00	$83.25
J9035 Injection, bevacizumab, 10 mg	241	50	$100.00	$76.81
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	208	171	$287.00	$81.30
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	164	147	$151.83	$112.17
92014 Established patient complete exam of visual system	90	83	$150.00	$132.67
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	67	67	$432.00	$134.30
66984 Removal of cataract with insertion of lens	31	27	$1999.00	$598.57
92250 Photography of the retina	23	21	$125.00	$59.99
92136 Measurement of corneal curvature and depth of eye	20	19	$103.00	$32.82
92083 Exam of visual field with extended testing	20	16	$95.00	$29.10
92235 Exam of retinal blood vessels using a special camera after injection of a dye	19	19	$154.00	$45.62
76512 Ultrasound of eye disease, growth, or structure	16	13	$179.00	$45.18
92225 Examination of eye by ophthalmoscope with retinal drawing	15	14	$82.73	$25.44
92004 New patient complete exam of visual system	15	15	$346.00	$103.77
92020 Examination of cornea and iris using lens device and slit lamp	14	12	$71.00	$22.09
67042 Removal of membrane of retina with removal of internal limiting membrane of retina	14	12	$4253.00	$1214.41
67108 Repair of detached retina and drainage of eye fluid between lens and retina	13	11	$4350.00	$1176.39
92225 Examination of eye by ophthalmoscope with retinal drawing	13	13	$83.08	$39.45
67036 Removal of eye fluid (vitreous) between the lens and retina	11	11	$2531.00	$864.20
66821 Removal of recurring cataract in lens capsule using a laser	11	11	$766.00	$329.78

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
92134 Imaging of retina	1,387	493	$95.00	$26.67
67028 Injection of drug into eye	820	173	$455.86	$113.89
99213 Established patient office or other outpatient visit, typically 15 minutes	662	251	$179.00	$52.11
92134 Imaging of retina	617	233	$75.16	$42.78
99213 Established patient office or other outpatient visit, typically 15 minutes	322	148	$100.00	$75.48
67028 Injection of drug into eye	309	53	$213.92	$109.41
J9035 Injection, bevacizumab, 10 mg	302	51	$100.00	$73.09
92014 Established patient complete exam of visual system	267	226	$283.00	$82.58
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	206	178	$263.00	$80.09
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	124	112	$151.21	$110.93
92014 Established patient complete exam of visual system	69	68	$150.00	$128.75
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	57	57	$401.00	$132.64
92235 Exam of retinal blood vessels using a special camera after injection of a dye	26	26	$154.00	$45.03
92004 New patient complete exam of visual system	26	26	$346.00	$103.27
92136 Measurement of corneal curvature and depth of eye	20	20	$103.00	$32.54
66984 Removal of cataract with insertion of lens	19	17	$1999.00	$559.30
76512 Ultrasound of eye disease, growth, or structure	18	16	$179.00	$54.89
67042 Removal of membrane of retina with removal of internal limiting membrane of retina	15	14	$2943.08	$726.31
67145 Photocoagulation treatment to prevent detachment of retina	11	11	$1322.18	$541.43

Medical Specialties & State Licenses

Ophthalmology Primary Specialty

NUCC Taxonomy Code: 207W00000X

State License MA 221050

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.

Ophthalmology - Retina Specialist

NUCC Taxonomy Code: 207WX0107X

State License MA 221050

An ophthalmologist who specializes in the diagnosis and treatment of vitreoretinal diseases.

Additional State Medicaid & Healthcare Payer Identifiers

Medicaid State Provider ID

110037878A (MA)

Hospital & Practice Group Affiliations

John Gurley Md Pc

195 School St, Manchester, MA 019441704

Phone: 9785264800

Lahey Clinic Inc

41 Mall Rd, Burlington, MA 018050001

Lahey Clinic Inc

41 Mall Rd, Burlington, MA 018050001

Lahey Clinic Inc

29 Mall Rd, Burlington, MA 018050001

Lahey Clinic Inc

1 Essex Ctr Dr, Peabody, MA 019602901

Phone: 9785384000

Practice Associates & Co-Workers

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

5 Associated Practitioners

Dr. Fina Barouch , MD

Ophthalmology - Retina Specialist

NPI 1386628501

Doctor of Medicine (M.D.)

Dr. Susan Tucker , MD

Ophthalmology - Ophthalmic Plastic and Reconstructive Surgery

NPI 1578664462

Doctor of Medicine (M.D.)

Dr. Mahesh Bhardwaj , OD

Optometrist

NPI 1821180894

Doctor of Optometry

Dr. Ann Kent-Gasiorowski , OD

Optometrist

NPI 1831280353

Doctor of Optometry

Dr. Susan Macdonald , MD

Ophthalmology

NPI 1972695138

Doctor of Medicine (M.D.)

Career & Practice History Timeline

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

7 Historical Events

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) May 10, 2019

Ophthalmology (License #221050 in MA)

✅

NPI Profile Active June 18, 2012

NPI status registered as active in NPPES database

📍

Updated Practice Location June 18, 2012

Registered at ONE ESSEX CENTER DRIVE, LAHEY CLINIC, PEABODY, MA 019602901 (Tel: 9785384400)

📍

Updated Business Mailing Address June 18, 2012

Registered at ONE ESSEX CENTER DRIVE, LAHEY CLINIC, PEABODY, MA 019602901 (Tel: 9785384400)

👤

Provider Name / Credentials Updated June 18, 2012

Recorded as GREGORY BLAHA, MD, PHD

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) June 18, 2012

Ophthalmology (License #221050 in MA)

🟢

Initial NPI Registration & Enumeration September 29, 2006

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: 1902998776

Entity Type:

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

Enumeration Date: September 29, 2006

Last Update: May 10, 2019

Sole Proprietor: No

Update or Correct Profile

Mailing Address

One Essex Center Drive, Lahey Clinic

Peabody, MA 019602901

Phone: 9785384400

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.