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Edit this profileAt a glance
- One Essex Center Drive, Lahey Clinic, Peabody, MA 01960
About Dr. Blaha
Gregory R. Blaha, MD, PhD practices ophthalmology in Peabody, MA. Gregory is a 2000 graduate of Perelman School of Med at the University of Pennsylvania. Gregory is also listed as specializing in ophthalmology — retina specialist. According to Medicare claims data, Gregory cared for 2,832 Medicare patients across 9,716 services. The services billed most often include injection, faricimab-svoa, 0.1 mg, imaging of retina, and injection of drug into eye. The provider's National Provider Identifier (NPI) is 1902998776.
Factual summary compiled by Guide.md from public records; not written by this provider.
Education & Training
Specialty
Credentials & Licensing
Medicare information
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
Contact Information
- (978) 538-4400
- Email not available
Practice Locations
ONE ESSEX CENTER DRIVE LAHEY CLINIC
Peabody, MA 01960
Conditions Commonly Evaluated or Treated
Within Ophthalmology generally. Availability varies by clinician, training and location — this profile has not been claimed, so nothing here is a personal claim by the provider.
Conditions
Eye injury and cancer
Inflammation, neurologic, and orbit
Most searched conditions
Cornea and external eye
Eyelid and tear drainage
Refractive and focusing
- Astigmatism
- Eye misalignment (strabismus)
- Farsightedness
- Lazy eye (amblyopia)
- Nearsightedness
- Presbyopia
Retina and vitreous
Eye injuries
Retina & vitreous
Procedures & services
Cataract and lens
- Cataract surgery with lens implant
- Laser-assisted cataract surgery
- Intraocular lens exchange
- YAG laser capsulotomy
Cornea and refractive
Emergency and minor
- Corneal rust-ring removal
- Removal of an eye foreign body
- Repair of an eye or eyelid laceration
- Repair of ruptured globe
Examination and imaging
- Eye ultrasound
- Slit-lamp examination
- Visual-field testing
- Corneal topography
- Fluorescein angiography
Eyelid, tear duct, and muscle
- Chalazion removal
- Ectropion repair
- Eyelid surgery
- Tear-duct probing
- Drooping-eyelid repair
- Entropion repair
- Eye-muscle surgery
- Tear-duct bypass surgery
Glaucoma
- Cyclophotocoagulation
- Trabeculectomy
- Glaucoma drainage-device implantation
- Laser peripheral iridotomy
- Minimally invasive glaucoma surgery
- Selective laser trabeculoplasty
Retina
Most searched procedures
Corneal procedures
Eye diagnostics
Eye injuries
Eyelid surgery
Laser eye surgery
Laser procedures
Laser vision correction
Refractive surgery
Tear duct & Orbit
Procedures Most Often Billed to Medicare
9,716 services · 2,832 patients · 24 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Injection of drug into eye | Procedure | 67028 |
823 | More often than most peers in Ophthalmology |
| Injection of drug into eye | Procedure | 67028 |
444 | More often than most peers in Ophthalmology |
| Removal of cataract with insertion of prosthetic lens | Procedure | 66984 |
39 | Less often than most peers in Ophthalmology |
| Destruction of leaking blood vessels of retina using laser | Procedure | 67228 |
20 | As often as other peers in Ophthalmology |
| Removal of membrane of retina with removal of internal limiting membrane of retina | Procedure | 67042 |
19 | As often as other peers in Ophthalmology |
| Photocoagulation treatment to prevent detachment of retina | Procedure | 67145 |
12 | Less often than most peers in Ophthalmology |
| 2d ultrasound scan of eye tissue and structures | Imaging | 76512 |
31 | As often as other peers in Ophthalmology |
| Imaging of retina | Treatment | 92134 |
1,429 | More than most peers in Ophthalmology |
| Imaging of retina | Treatment | 92134 |
731 | More than most peers in Ophthalmology |
| Photography of the retina | Treatment | 92250 |
76 | More often than most peers in Ophthalmology |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Also at this address 2
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
Other eye doctors in Peabody 8
Same specialty, same city.
Trained at Perelman School of Med at the University of Pennsylvania 8
Other providers in the same specialty who trained at the same institution.
More connections — 15 related providers in 2 groups
Class of 2000 at Perelman School of Med at the University of Pennsylvania 8
Providers who graduated from the same medical school in the same year.
Also performs Injection of drug into eye 7
Providers in MA who bill this service to Medicare most often.
Common questions
What does Dr. Blaha specialize in?
Dr. Blaha is an eye doctor in Peabody, MA. That is the designation recorded for this NPI in the federal registry, where it is listed as “Ophthalmology”.
NPI registry
Where is Dr. Blaha located?
Dr. Blaha is listed at One Essex Center Drive Lahey Clinic, Peabody, MA 01960. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Dr. Blaha's phone number?
The number on file is (978) 538-4400. Contact the office directly to confirm availability and scheduling.
NPI registry
What is Dr. Blaha's NPI number?
Dr. Blaha's National Provider Identifier is 1902998776. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
Where did Dr. Blaha go to medical school?
Dr. Blaha attended Perelman School of Med at the University of Pennsylvania, graduating in 2000. This comes from the CMS National Downloadable File.
CMS public data
How long has Dr. Blaha been practicing?
Dr. Blaha has 26 years experience. Calculated from a graduation year of 2000, reported in the CMS National Downloadable File.
CMS public data
What does Dr. Blaha do most often?
According to Medicare billing data, Dr. Blaha performs procedures including injection of drug into eye, removal of cataract with insertion of prosthetic lens and destruction of leaking blood vessels of retina using laser; reads or performs imaging such as 2d ultrasound scan of eye tissue and structures; provides treatments such as imaging of retina and photography of the retina, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Dr. Blaha confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Blaha. If this is you, claiming it is free.
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