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DR. JASON MAASDAM O.D.
NPI 1922081678
Optometrist in Knoxville, IA

Active since November 28, 2005PECOS EnrolledAccepts Medicare Assignment
100 S 5TH ST, KNOXVILLE, IA 50138(641) 842-3616(641) 842-5453 Get Directions Write a Review

NPPES record last updated: July 8, 2007. Verified against the NPPES registry weekly; last sync: August 16, 2026.

About Dr. Jason Maasdam O.d. NPPES

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

DR. JASON MAASDAM O.D. (NPI 1922081678) is an individual optometrist in Knoxville, Iowa, licensed in Iowa (02116) and active in the NPI registry since November 2005. He is enrolled in Medicare PECOS and is a graduate of Illinois College Of Optometry At Chicago (1998).

NPPES Registry Identity

NPI1922081678
Entity TypeIndividualMale
Primary Taxonomy152W00000X
Provider Legal NameDR. JASON MAASDAMCredential: O.D.
Location Address100 S 5TH STKnoxville, IA 50138-1712
Mailing Address100 S 5th StKnoxville, IA 50138-1712 · (641) 842-3616 · Fax (641) 842-5453
Phone(641) 842-3616
Fax(641) 842-5453
Sole ProprietorNo
Medical School CMSIllinois College Of Optometry At ChicagoGraduated 1998
Enumeration DateNovember 28, 2005
Last NPPES UpdateJuly 8, 2007
✔ NPI 1922081678 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyOptometristEye and Vision Services Providers
Taxonomy Code152W00000X
License✔ Licensed in IA · 02116
Definition
Doctors of optometry (ODs) are the primary health care professionals for the eye. Optometrists examine, diagnose, treat, and manage diseases, injuries, and disorders of the visual system, the eye, and associated structures as well as identify related systemic conditions affecting the eye. An optometrist has completed pre-professional undergraduate education in a college or university and four years of professional education at a college of optometry, leading to the doctor of optometry (O.D.) degree. Some optometrists complete an optional residency in a specific area of practice. Optometrists are eye health care professionals state-licensed to diagnose and treat diseases and disorders of the eye and visual system.
100 S 5TH ST, Knoxville, IA 50138
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Other Identifiers 4

Medicare UPINU71271IA
Medicare ID-Type UnspecifiedI4728IA
Medicaid2176891IA
Other48259IA · Blue Cross

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Medica, Providence Health Plan, UnitedHealthcare.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. Jason Maasdam O.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 ID2163460957
PECOS Enrollment IDI20050421001087
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 13

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.
385 services385 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.
191 services186 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.
111 services98 patients
Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more 99212
This is a routine check-up for patients who have previously seen the doctor. During this 10-19 minute visit, the doctor will review your health status, discuss any concerns, and manage ongoing treatments or medications. It's a chance to ensure your health is on track.
60 services44 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.
54 services52 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).
38 services36 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 50138 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
$122.23 typical visit price
range $52.96 – $161.40
Typical copayment $30.55 (range $13.24 – $40.35)
Most-billed visit code 99204
Established Patient
$66.36 typical visit price
range $16.91 – $131.98
Typical copayment $16.59 (range $4.22 – $32.99)
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.

Referred Medical Equipment & Supplies CMS DME claims 2

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Frames, purchases V2020
Other-Vision, Hearing, and Speech Services · category OC000N
2 suppliers17 claims17 services$51.30 avg. paid by Medicare
Sphere, trifocal, plano to plus or minus 4.00d, per lens V2300
Other-Vision, Hearing, and Speech Services · category OC000N
1 supplier16 claims32 services$45.97 avg. paid by Medicare
Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

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.

MRS. LILY MARK -MAASDAM O.D.
Optometrist
100 S 5TH ST
KNOXVILLE, IA 50138
Marion County (641) 842-3616
EYE HEALTH SOLUTIONS PC
Optometrist
100 S 5TH ST
KNOXVILLE, IA 50138
Marion County (641) 842-4575

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 Jason Maasdam's NPI number?

The NPI number for Jason Maasdam is 1922081678. It was assigned to this individual provider in the NPPES registry on November 28, 2005.

Where is Jason Maasdam located?

Jason Maasdam practices at 100 S 5th St, Knoxville, IA 50138. The listed phone number is (641) 842-3616.

What is Jason Maasdam's specialty?

The primary specialty registered for this NPI is Optometrist with taxonomy code 152W00000X.

Is Jason Maasdam enrolled in Medicare?

Yes. Jason Maasdam 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 Jason Maasdam accept?

Health plans from Medica, Providence Health Plan and UnitedHealthcare list Jason Maasdam 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 Jason Maasdam was last updated on July 8, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 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.