1. Home
  2. Directory
  3. New York
  4. Williamsville
  5. Ophthalmology
  6. NPI Profile

DR. DIANE T. FLANIGEN M.D.
NPI 1912985904
Ophthalmology in Williamsville, NY

Active since January 09, 2006PECOS EnrolledAccepts Medicare Assignment
99.73/100
CMS Quality Rating
6333 MAIN STREET, WILLIAMSVILLE, NY 14221(716) 632-3545(716) 632-6368 Get Directions Write a Review

NPPES record last updated: August 6, 2019. Verified against the NPPES registry weekly; last sync: August 16, 2026.

About Dr. Diane T. Flanigen M.d. NPPES

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

DR. DIANE T. FLANIGEN M.D. (NPI 1912985904) is an individual ophthalmology provider in Williamsville, New York, licensed in New York (178565) and active in the NPI registry since January 2006. She is enrolled in Medicare PECOS and is a graduate of State University Of New York At Buffalo School Of Medicine (1984).

NPPES Registry Identity

NPI1912985904
Entity TypeIndividualFemale
Primary Taxonomy207W00000X
Provider Legal NameDR. DIANE T. FLANIGENCredential: M.D.
Location Address6333 MAIN STREETWilliamsville, NY 14221-5800
Mailing Address6333 Main StreetWilliamsville, NY 14221-5800 · (716) 632-3545 · Fax (716) 632-6368
Phone(716) 632-3545
Fax(716) 632-6368
Sole ProprietorNo
Medical School CMSState University Of New York At Buffalo School Of MedicineGraduated 1984
Enumeration DateJanuary 9, 2006
Last NPPES UpdateAugust 6, 2019
✔ NPI 1912985904 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyOphthalmologyAllopathic & Osteopathic Physicians
Taxonomy Code207W00000X
Licenses✔ Licensed in NY · 178565✔ Licensed in NY · 178565-1
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.
6333 MAIN STREET, Williamsville, NY 14221
Open in Google Maps ↗

Other Identifiers 6

Other161000580NY · North American Preferred
Other161000580NY · Empire Plan
Other000511177008NY · Health Now
Medicaid01154094NY
Other00010056503NY · Univera
Other0809877NY · Iha

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

Dr. Diane T. Flanigen 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 ID2567364094
PECOS Enrollment IDI20040929000337
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 7

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 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.
376 services371 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.
95 services92 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.
91 services89 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).
88 services87 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.
66 services58 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.
14 services14 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 14221 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
$126.40 typical visit price
range $54.87 – $166.88
Typical copayment $31.60 (range $13.71 – $41.72)
Most-billed visit code 99204
Established Patient
$68.57 typical visit price
range $17.54 – $136.14
Typical copayment $17.14 (range $4.38 – $34.03)
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.

99.73/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality100
Improvement Activities40
Cost99.1

Reported Quality Measures

Diabetes: Eye Exam
Percentage of patients 18-75 years of age with diabetes who had a retinal or dilated eye exam by an eye care professional during the measurement period or a negative retinal exam (no evidence of retinopathy) in the 12 months prior to the measurement period
100%38 patients5/55-star benchmark: 100%
Providers report different measures because they deliver different services; reporting more or less information is not a reflection of quality. Star ratings appear only where CMS assigned them.

Other Providers at the Same Location NPPES

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

RAMON K TAN MD DBA
Psychiatry & Neurology (Psychiatry)
6333 MAIN STREET
WILLIAMSVILLE, NY 14221
Erie County (716) 689-3905

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 Diane Flanigen's NPI number?

The NPI number for Diane Flanigen is 1912985904. It was assigned to this individual provider in the NPPES registry on January 9, 2006.

Where is Diane Flanigen located?

Diane Flanigen practices at 6333 Main Street, Williamsville, NY 14221. The listed phone number is (716) 632-3545.

What is Diane Flanigen's specialty?

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

Is Diane Flanigen enrolled in Medicare?

Yes. Diane Flanigen 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 Diane Flanigen 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 Diane Flanigen 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 Diane Flanigen was last updated on August 6, 2019. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 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.