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MARY ELLEN WEIMER M.D.
NPI 1205256708
Ophthalmology in Beavercreek, OH

Active since April 23, 2014PECOS EnrolledAccepts Medicare Assignment
90.38/100
CMS Quality Rating
89 SYLVANIA DR FL 1, BEAVERCREEK, OH 45440(937) 320-2020 Get Directions Write a Review

NPPES record last updated: July 19, 2023. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Jul 19, 2023, Nov 6, 2019, Oct 17, 2019 (3 updates tracked since 2019).

About Mary Ellen Weimer M.d. NPPES

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

MARY ELLEN WEIMER M.D. (NPI 1205256708) is an individual ophthalmology provider in Beavercreek, Ohio, licensed in Ohio (35134285) and active in the NPI registry since April 2014. She is enrolled in Medicare PECOS and is a graduate of Wright State University Boonshoft School Of Medicine (2014).

NPPES Registry Identity

NPI1205256708
Entity TypeIndividualFemale
Primary Taxonomy207W00000X
Provider Legal NameMARY ELLEN WEIMERCredential: M.D.
Location Address89 SYLVANIA DR FL 1Beavercreek, OH 45440-3282
Mailing Address1945 Cei DrBlue Ash, OH 45242-5664 · (513) 984-5133 · Fax (513) 984-4240
Phone(937) 320-2020
Sole ProprietorYes
Medical School CMSWright State University Boonshoft School Of MedicineGraduated 2014
Enumeration DateApril 23, 2014
Last NPPES UpdateJuly 19, 20233 updates tracked since enumeration
NPPES CertifiedJuly 19, 2023
✔ NPI 1205256708 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyOphthalmologyAllopathic & Osteopathic Physicians
Taxonomy Code207W00000X
License✔ Licensed in OH · 35134285
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.
89 SYLVANIA DR FL 1, Beavercreek, OH 45440
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Other Identifiers 1

Medicaid0375674OH

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter from Buckeye Health Plan, Ambetter from Meridian, Ambetter Health and more.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Mary Ellen Weimer 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 ID6800017815
PECOS Enrollment IDI20190823001136
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.

Medicare Billing Reassignment

Medicare enrollment records show Mary Weimer reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Cei Physicians Psc LLC
35 mi
Ophthalmology
1945 CEI DR
Cincinnati, OH 45242
  • Reassigned Medicare billing, Ohio enrollment
  • 225 clinicians in this Medicare group
NPI 1942296298 (513) 569-3741

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Areas of Expertise CMS Part B claims 10

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 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.
469 services382 patients
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.
118 services110 patients
Measurement of corneal curvature and depth of eye 92136
This procedure measures the shape and depth of your eye, specifically the cornea, the clear front surface. It helps in diagnosing conditions, planning for surgeries, or fitting contact lenses. It's non-invasive and painless.
84 services59 patients
Exam of visual field with extended testing 92083
An extended visual field exam is a detailed test to evaluate your peripheral (side) vision. It helps to detect any potential blind spots which may not be noticeable in daily life. These could be caused by eye diseases like glaucoma, or neurological conditions.
64 services60 patients
Removal of cataract with insertion of prosthetic lens 66984
This is a procedure where a cloudy lens in your eye, known as a cataract, is removed. After removal, a clear artificial lens is inserted. This helps to restore your vision, enabling you to see clearly again.
63 services39 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).
61 services61 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 45440 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
$126.12 typical visit price
range $54.34 – $166.65
Typical copayment $31.53 (range $13.58 – $41.66)
Most-billed visit code 99204
Established Patient
$68.07 typical visit price
range $17.10 – $135.40
Typical copayment $17.01 (range $4.27 – $33.85)
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.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

90.38/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored through an Alternative Payment Model
Quality80.76
Promoting Interoperability100
Improvement Activities40

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 Mary Weimer's NPI number?

The NPI number for Mary Weimer is 1205256708. It was assigned to this individual provider in the NPPES registry on April 23, 2014.

Where is Mary Weimer located?

Mary Weimer practices at 89 Sylvania Dr Fl 1, Beavercreek, OH 45440. The listed phone number is (937) 320-2020.

What is Mary Weimer's specialty?

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

Is Mary Weimer enrolled in Medicare?

Yes. Mary Weimer 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.

Which organization bills Medicare for Mary Weimer's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Mary Weimer reassigns Medicare benefits to Cei Physicians Psc LLC (Cincinnati, OH). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Mary Weimer's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Mary Weimer accept?

Health plans from Ambetter Health, Ambetter from Buckeye Health Plan, Ambetter from Meridian, Anthem Blue Cross and Blue Shield and CareSource and 5 other insurers list Mary Weimer 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 Mary Weimer was last updated on July 19, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.