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Edit this profileAt a glance
- 7500 San Felipe St, 200, Houston, TX 77063
About Dr. Longo
Marc N. Longo, M.D. is a healthcare provider in Houston, TX specializing in ophthalmology. Marc trained at University of Texas Medical School at Houston, graduating in 1990. Medicare claims data shows Marc provided 571 services to 553 patients. The services billed most often include new patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more, photography of content of eyes, and exam of visual field with limited testing. This provider record is associated with NPI 1679559009.
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
- (713) 953-9932
- Email not available
Practice Locations
7500 SAN FELIPE ST 200
Houston, TX 77063
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
571 services · 553 patients · 9 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Insertion of probe into nasal tear duct | Procedure | 68810 |
21 | As often as other peers in Ophthalmology |
| Removal of excessive skin and fat of upper eyelid | Procedure | 15823 |
18 | Less often than most peers in Ophthalmology |
| Extensive repair of turning-outward eyelid defect | Procedure | 67917 |
14 | Less often than most peers in Ophthalmology |
| Removal of tissue, muscle, and membrane to correct eyelid drooping or paralysis | Procedure | 67908 |
14 | Less often than most peers in Ophthalmology |
| Removal of growth of eyelid | Procedure | 67840 |
11 | Less often than most peers in Ophthalmology |
| Photography of content of eyes | Treatment | 92285 |
93 | More often than most peers in Ophthalmology |
| Exam of visual field with limited testing | Treatment | 92081 |
93 | More often than most peers in Ophthalmology |
| New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more | Office visit | 99203 |
215 | More than most peers in Ophthalmology |
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
92 | As often as other 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.
Other eye doctors at this location 2
Same specialty, same street address — most likely the same department or group.
Also at this address 4
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 Houston 8
Same specialty, same city.
More connections — 24 related providers in 3 groups
Trained at University of Texas Medical School at Houston 8
Other providers in the same specialty who trained at the same institution.
Class of 1990 at University of Texas Medical School at Houston 8
Providers who graduated from the same medical school in the same year.
Also performs Insertion of probe into nasal tear duct 8
Providers in TX who bill this service to Medicare most often.
Common questions
What is Marc N. Longo's specialty?
Marc N. Longo is an eye doctor in Houston, TX. That is the designation recorded for this NPI in the federal registry, where it is listed as “Ophthalmology”.
NPI registry
Where can I find Marc N. Longo?
Marc N. Longo is listed at 7500 San Felipe St 200, Houston, TX 77063. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How do I contact Marc N. Longo?
The number on file is (713) 953-9932. Contact the office directly to confirm availability and scheduling.
NPI registry
What is the NPI for Marc N. Longo?
Marc N. Longo's National Provider Identifier is 1679559009. 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
What is Marc N. Longo's education?
Marc N. Longo attended University of Texas Medical School at Houston, graduating in 1990. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Marc N. Longo have?
Marc N. Longo has 36 years experience. Calculated from a graduation year of 1990, reported in the CMS National Downloadable File.
CMS public data
What is Marc N. Longo known for?
According to Medicare billing data, Marc N. Longo performs procedures including insertion of probe into nasal tear duct, removal of excessive skin and fat of upper eyelid and extensive repair of turning-outward eyelid defect; provides treatments such as photography of content of eyes and exam of visual field with limited testing, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is Marc N. Longo's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Marc N. Longo. If this is you, claiming it is free.
Guide.md
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