DR. CHARLES T ZENZEN MD
NPI 1265448930
Ophthalmology in Grand Blanc, MI

Active since August 01, 2006PECOS EnrolledAccepts Medicare Assignment
78.03/100
CMS Quality Rating
2240 E HILL RD, GRAND BLANC, MI 48439(810) 579-0202(810) 579-0204 Get Directions Write a Review

NPPES record last updated: September 28, 2022. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Sep 28, 2022, Aug 3, 2022, May 16, 2022 and 1 more (4 updates tracked since 2019).

About Dr. Charles T Zenzen Md NPPES

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

DR. CHARLES T ZENZEN MD (NPI 1265448930) is an individual ophthalmology provider in Grand Blanc, Michigan, licensed in Michigan (4301074506) and active in the NPI registry since August 2006. He is enrolled in Medicare PECOS and is a graduate of Wayne State University School Of Medicine (1999).

NPPES Registry Identity

NPI1265448930
Entity TypeIndividualMale
Primary Taxonomy207W00000X
Provider Legal NameDR. CHARLES T ZENZENCredential: MD
Location Address2240 E HILL RDGrand Blanc, MI 48439-5420
Mailing Address30150 Telegraph Rd Ste 271Bingham Farms, MI 48025-4521 · (248) 395-5166 · Fax (734) 743-2138
Fax(810) 579-0204
Sole ProprietorNo
Medical School CMSWayne State University School Of MedicineGraduated 1999
Enumeration DateAugust 1, 2006
Last NPPES UpdateSeptember 28, 20224 updates tracked since enumeration
NPPES CertifiedSeptember 28, 2022
NPI 1265448930 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyOphthalmologyAllopathic & Osteopathic Physicians
Taxonomy Code207W00000X
License Licensed in MI · 4301074506
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.
2240 E HILL RD, Grand Blanc, MI 48439

Accepted 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. Charles T Zenzen Md 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 ID2769475078
PECOS Enrollment IDI20040405000320
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 17

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.
373 services261 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.
170 services167 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).
170 services164 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.
151 services140 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.
128 services76 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.
125 services123 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 48439 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
$126.15 typical visit price
range $54.34 – $166.68
Typical copayment $31.53 (range $13.58 – $41.67)
Most-billed visit code 99204
Established Patient
$68.07 typical visit price
range $17.09 – $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.

78.03/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality97.47
Promoting Interoperability99
Improvement Activities40
Cost30.12

Other Providers at the Same Location NPPES 2

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

Clinic/Center (Physical Therapy)
2240 E HILL RD, STE H
GRAND BLANC, MI 48439
Ophthalmology
2240 E HILL RD, D
GRAND BLANC, MI 48439

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 Charles Zenzen's NPI number?

The NPI number for Charles Zenzen is 1265448930. It was assigned to this individual provider in the NPPES registry on August 1, 2006.

Where is Charles Zenzen located?

Charles Zenzen practices at 2240 E Hill Rd, Grand Blanc, MI 48439. The listed phone number is (810) 579-0202.

What is Charles Zenzen's specialty?

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

Is Charles Zenzen enrolled in Medicare?

Yes. Charles Zenzen 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 Charles Zenzen accept?

Health plans from Ambetter Health, Ambetter from Buckeye Health Plan, Ambetter from Meridian, Blue Care Network of Michigan and Blue Cross Blue Shield of Michigan Mutual Insurance Company and 2 other insurers list Charles Zenzen 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 Charles Zenzen was last updated on September 28, 2022. 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.