Physician Profile
Elena B. Mier-Trotter, M.D.
Unclaimed ProfileAbout Dr. Mier-Trotter
Based in Rockville, MD, Elena B. Mier-Trotter, M.D. is listed in the NPI registry under ophthalmology. Medicare claims data shows Elena provided 238 services to 205 patients. The services billed most often include established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more, established patient problem focused exam of visual system, and established patient complete exam of visual system. NPI 1891072633 identifies this record in the national registry.
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
- (301) 896-0890
- Email not available
Practice Locations
11300 ROCKVILLE PIKE SUITE 1202
Rockville, MD 20852
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
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
Inflammation, neurologic, and orbit
Retina & vitreous
Procedures & services
Most searched procedures
Examination and imaging
Cataract and lens
Corneal procedures
Eye diagnostics
Eye injuries
Eyelid surgery
Eyelid, tear duct, and muscle
Glaucoma
- Glaucoma drainage-device implantation
- Laser peripheral iridotomy
- Minimally invasive glaucoma surgery
- Selective laser trabeculoplasty
Laser eye surgery
Laser procedures
Laser vision correction
Refractive surgery
Tear duct & Orbit
Procedures Most Often Billed to Medicare
238 services · 205 patients · 9 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Established patient problem focused exam of visual system | Treatment | 92012 |
39 | Less often than most peers in Ophthalmology |
| Established patient complete exam of visual system | Treatment | 92014 |
32 | Less often than most peers in Ophthalmology |
| Imaging of optic nerve | Treatment | 92133 |
27 | Less often than most peers in Ophthalmology |
| Photography of the retina | Treatment | 92250 |
21 | Less often than most peers in Ophthalmology |
| Imaging of retina | Treatment | 92134 |
16 | Less often than most peers in Ophthalmology |
| Exam of visual field with extended testing | Treatment | 92083 |
14 | Less often than most peers in Ophthalmology |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
44 | Less often 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 |
29 | Less often than most peers in Ophthalmology |
| New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more | Office visit | 99204 |
16 | Less 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.
Other eye doctors at this location 3
Same specialty, same street address — most likely the same department or group.
Related specialists at this location 4
Clinically related specialties at the same address — the people this provider most likely works alongside.
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.
More connections — 31 related providers in 4 groups
Other eye doctors in Rockville 8
Same specialty, same city.
Trained at Other 8
Other providers in the same specialty who trained at the same institution.
Class of 1972 at Other 8
Providers who graduated from the same medical school in the same year.
Also performs Established patient problem focused exam of visual system 7
Providers in MD who bill this service to Medicare most often.
Common questions
What does Elena B. Mier-Trotter specialize in?
Elena B. Mier-Trotter is an eye doctor in Rockville, MD. That is the designation recorded for this NPI in the federal registry, where it is listed as “Ophthalmology”.
NPI registry
Where is Elena B. Mier-Trotter located?
Elena B. Mier-Trotter is listed at 11300 Rockville Pike Suite 1202, Rockville, MD 20852. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Elena B. Mier-Trotter's phone number?
The number on file is (301) 896-0890. Contact the office directly to confirm availability and scheduling.
NPI registry
What is the NPI for Elena B. Mier-Trotter?
Elena B. Mier-Trotter's National Provider Identifier is 1891072633. 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 Elena B. Mier-Trotter train?
Elena B. Mier-Trotter attended Other, graduating in 1972. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Elena B. Mier-Trotter have?
Elena B. Mier-Trotter has 54 years experience. Calculated from a graduation year of 1972, reported in the CMS National Downloadable File.
CMS public data
What does Elena B. Mier-Trotter do most often?
According to Medicare billing data, Elena B. Mier-Trotter provides treatments such as established patient problem focused exam of visual system and established patient complete exam of visual system, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is Elena B. Mier-Trotter's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Elena B. Mier-Trotter. If this is you, claiming it is free.
Guide.md
Guide.md listings do not constitute medical advice or an endorsement.