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ELENA BEATRIZ MIER-TROTTER M.D.
NPI 1891072633
Ophthalmology in Rockville, MD

Active since November 08, 2011PECOS EnrolledAccepts Medicare Assignment
11300 ROCKVILLE PIKE, SUITE 1202, ROCKVILLE, MD 20852(301) 896-0890(301) 896-0968 Get Directions Write a Review

NPPES record last updated: November 8, 2011. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Elena Beatriz Mier-trotter M.d. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

ELENA BEATRIZ MIER-TROTTER M.D. (NPI 1891072633) is an individual ophthalmology provider in Rockville, Maryland, licensed in Maryland (D0050580) and active in the NPI registry since November 2011. She is enrolled in Medicare PECOS and is a graduate of Other (1972).

NPPES Registry Identity

NPI1891072633
Entity TypeIndividualFemale
Primary Taxonomy207W00000X
Provider Legal NameELENA BEATRIZ MIER-TROTTERCredential: M.D.
Location Address11300 ROCKVILLE PIKE, SUITE 1202Rockville, MD 20852-3003
Mailing Address7924 Wentworth PlSpringfield, VA 22152-3440 · (703) 451-0034
Phone(301) 896-0890
Fax(301) 896-0968
Sole ProprietorNo
Medical School CMSOtherGraduated 1972
Enumeration DateNovember 8, 2011
✔ NPI 1891072633 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyOphthalmologyAllopathic & Osteopathic Physicians
Taxonomy Code207W00000X
License✔ Licensed in MD · D0050580
Definition
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.
11300 ROCKVILLE PIKE, Rockville, MD 20852
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Other Identifiers 1

Medicare UPINH53471MD

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Blue Cross and Blue Shield of Louisiana, Blue Cross and Blue Shield of Montana, Blue Cross and Blue Shield of Oklahoma and more.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Elena Beatriz Mier-trotter M.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID6507097193
PECOS Enrollment IDI20140325000338
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Areas of Expertise CMS Part B claims 9

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
44 services36 patients
Established patient problem focused exam of visual system 92012
This is a routine check-up for existing patients focusing on the visual system. It involves examining your eyes to detect any potential issues or changes in your vision. It's a crucial part of maintaining good eye health.
39 services25 patients
Established patient complete exam of visual system 92014
An established patient complete exam of the visual system involves a thorough check of your eyes and vision. It assesses eye health, checks for diseases, and measures your ability to see clearly at different distances. It's a routine, non-invasive procedure.
32 services31 patients
Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213
This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.
29 services21 patients
Imaging of optic nerve 92133
Imaging of the optic nerve is a non-invasive procedure that captures detailed pictures of your optic nerve. It helps doctors assess eye health, particularly for conditions like glaucoma. It's painless, quick, and uses safe technology like MRI or OCT (Optical Coherence Tomography).
27 services25 patients
Photography of the retina 92250
Photography of the retina, also known as retinal imaging, is a non-invasive procedure that captures images of the back of your eye. This helps doctors identify and monitor conditions like glaucoma, macular degeneration, or diabetic retinopathy. It's painless and quick, often part of a routine eye exam.
21 services21 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 20852 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$147.85 typical visit price
range $65.18 – $194.86
Typical copayment $36.96 (range $16.29 – $48.71)
Most-billed visit code 99204
Established Patient
$80.66 typical visit price
range $21.40 – $158.88
Typical copayment $20.16 (range $5.35 – $39.72)
Most-billed visit code 99213
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

POTOMAC AUDIOLOGY LLC
Audiologist
11300 ROCKVILLE PIKE, SUITE 105
ROCKVILLE, MD 20852
Montgomery County (240) 477-1010
DR. DANIELLE L SPIEGLER PH.D.
Psychologist
11300 ROCKVILLE PIKE, SUITE 914
ROCKVILLE, MD 20852
Montgomery County (240) 421-9835
MS. JOAN BETH GOODMAN M.S.W., L.C.S.W.
Social Worker (Clinical)
11300 ROCKVILLE PIKE, #914
ROCKVILLE, MD 20852
Montgomery County (301) 881-0433
KARLA PAGAN RODRIGUEZ
Physical Therapist
11300 ROCKVILLE PIKE
ROCKVILLE, MD 20852
Montgomery County (301) 881-7302
MRS. SUZANNE YOON M.D.
Psychologist (Cognitive & Behavioral)
11300 ROCKVILLE PIKE, SUITE 714
N BETHESDA, MD 20852
Montgomery County (301) 881-9464
DR. THERESE C WALDEN AU.D.
Audiologist
11300 ROCKVILLE PIKE, SUITE 15
ROCKVILLE, MD 20852
Montgomery County (240) 477-1010
DR. ARI YARES PH.D.
Psychologist
11300 ROCKVILLE PIKE
NORTH BETHESDA, MD 20852
Montgomery County (301) 230-2280
MS. GAIL ANNETTE LINN M.A., CCC-A
Audiologist
11300 ROCKVILLE PIKE, SUITE 105
ROCKVILLE, MD 20852
Montgomery County (240) 477-1010

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Elena Mier-trotter's NPI number?

The NPI number for Elena Mier-trotter is 1891072633. It was assigned to this individual provider in the NPPES registry on November 8, 2011.

Where is Elena Mier-trotter located?

Elena Mier-trotter practices at 11300 Rockville Pike Suite 1202, Rockville, MD 20852. The listed phone number is (301) 896-0890.

What is Elena Mier-trotter's specialty?

The primary specialty registered for this NPI is Ophthalmology with taxonomy code 207W00000X.

Is Elena Mier-trotter enrolled in Medicare?

Yes. Elena Mier-trotter is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

What insurance does Elena Mier-trotter accept?

Health plans from Blue Cross Blue Shield of Wyoming, Blue Cross and Blue Shield of Louisiana, Blue Cross and Blue Shield of Montana, Blue Cross and Blue Shield of Oklahoma and Blue Cross and Blue Shield of Texas and 1 other insurer list Elena Mier-trotter as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Elena Mier-trotter was last updated on November 8, 2011. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.