ALEXANDER ARMANTHUS FOSTER MD
NPI 1992233662
Ophthalmology in Green Bay, WI

Q: What is Alexander Foster's NPI number?

The NPI number for Alexander Foster is 1992233662. It was assigned to this individual provider in the NPPES registry on May 25, 2017.

Q: What is Alexander Foster's specialty?

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

Q: When was this NPI record last updated?

The NPPES record for Alexander Foster was last updated on April 21, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 months 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.

Active since May 25, 2017PECOS EnrolledAccepts Medicare Assignment

77.33/100

CMS Quality Rating

2253 W MASON ST, GREEN BAY, WI 54303(920) 327-7000(920) 327-7005 Get Directions Write a Review

NPPES record last updated: April 21, 2026. Verified against the NPPES registry weekly; last sync: August 23, 2026.

Record update history: Apr 21, 2026, Aug 19, 2021, May 25, 2017 (3 updates tracked since 2017).

On this page

About Alexander Armanthus Foster Md NPPES

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

ALEXANDER ARMANTHUS FOSTER MD (NPI 1992233662) is an individual ophthalmology provider in Green Bay, Wisconsin, licensed in Wisconsin (74751) and active in the NPI registry since May 2017. He is enrolled in Medicare PECOS, is affiliated with Aurora Baycare Medical Ctr, and maintains a secondary practice location in Tucson.

NPPES Registry Identity

NPI1992233662

Entity TypeIndividualMale

Primary Taxonomy207W00000X

Provider Legal NameALEXANDER ARMANTHUS FOSTERCredential: MD

Location Address2253 W MASON STGreen Bay, WI 54303-4706

Mailing Address1035 Kepler DrGreen Bay, WI 54311-8320 · (920) 490-9046 · Fax (920) 405-8005

Phone(920) 327-7000

Fax(920) 327-7005

Sole ProprietorNo

Medical School CMSUniversity Of Washington School Of MedicineGraduated 2017

Enumeration DateMay 25, 2017

Last NPPES UpdateApril 21, 20263 updates tracked since enumeration

NPPES CertifiedApril 21, 2026

✔ NPI 1992233662 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyOphthalmologyAllopathic & Osteopathic Physicians

Taxonomy Code207W00000X

License✔ Licensed in WI · 74751

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.

Also ListedInternal MedicineTaxonomy 207R00000X · License R76147 (AZ)

2253 W MASON ST, Green Bay, WI 54303

Open in Google Maps ↗

Secondary Practice Location 1

Location 15301 E Grant RdTucson, AZ 85712-2805 · Phone (907) 310-0982

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Anthem Blue Cross and Blue Shield, CareSource (Common Ground Healthcare), HealthPartners 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

Alexander Armanthus Foster 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 ID42616773

PECOS Enrollment IDI20210903002842

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 14

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.

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.

546 services232 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.

228 services225 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.

182 services101 patients

Removal of cataract with insertion of prosthetic lens 66984

140 services78 patients

New patient complete exam of visual system 92004

A new patient complete exam of the visual system is a thorough evaluation of your eyes and vision. It checks for any potential issues and assesses overall eye health. It includes tests for visual acuity, eye movement, and light response.

136 services136 patients

Imaging of retina 92134

Imaging of the retina is a non-invasive procedure that captures detailed images of your eye's interior. This helps detect conditions like macular degeneration or retinal detachment. It's painless and takes only a few minutes.

114 services98 patients

Removal of recurring cataract in lens capsule using a laser 66821

This procedure, known as YAG laser capsulotomy, treats cloudiness in the lens capsule following cataract surgery. A laser is used to create a small hole in the cloudy capsule, allowing light to pass through and restore clear vision. It's a quick, painless procedure.

87 services85 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.

57 services49 patients

New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more 99204

This is a first-time office or outpatient visit lasting between 45-59 minutes. The healthcare provider evaluates your health, discusses your medical history, and may suggest further tests or treatments. It's an opportunity to ask questions and understand your health better.

45 services45 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.

42 services41 patients

Insertion of drug delivery implant into tear duct of eye 68841

This procedure involves placing a small implant into your tear duct. The implant slowly releases medication to your eye, helping manage conditions like dry eyes or glaucoma. It's a simple, quick procedure typically performed under local anesthesia.

38 services23 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 services26 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.

20 services20 patients

Complex removal of cataract with insertion of prosthetic lens 66982

This procedure involves removing a cloudy lens (cataract) from your eye and replacing it with a clear, artificial lens. It helps restore vision that has been affected by the cataract. The operation is usually done under local anesthesia.

14 services11 patients

Hospital Affiliations CMS Care Compare 2

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Aurora Baycare Medical Ctr

Acute Care Hospitals · Green Bay, WI

5/5 CMS rating

OwnershipProprietary

CMS Certification Number520193

Location2845 Greenbrier RdGreen Bay, WI 54311 · Brown County

Emergency services Birthing friendly

Door County Medical Center

Critical Access Hospitals · Sturgeon Bay, WI

4/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number521358

Location323 South 18th AvenueSturgeon Bay, WI 54235 · Door County

Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 54303 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

$123.69 typical visit price

range $53.90 – $163.24

Typical copayment $30.92 (range $13.47 – $40.81)

Most-billed visit code 99204

Established Patient

$67.37 typical visit price

range $17.40 – $133.76

Typical copayment $16.84 (range $4.35 – $33.44)

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.

77.33/100

MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program

Scored as part of a group practice

Quality

76.22

Promoting Interoperability

100

Improvement Activities

Cost

48.23

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.

NICOLE L LOWE APNP

Nurse Practitioner

2253 W MASON ST
GREEN BAY, WI 54303

Brown County (920) 327-7300

BRAD J LAVALLIE OD

Optometrist

2253 W MASON ST
GREEN BAY, WI 54303

Brown County (920) 327-7000

HEIDI KATHRYN BERGMAN PT, DPT

Physical Therapist

2253 W MASON ST
GREEN BAY, WI 54303

Brown County (920) 288-4712

JULIE A MAGNIN M.D.

Family Medicine

2253 W MASON ST
GREEN BAY, WI 54303

Brown County (920) 327-7300

CLINTON B OLSON MD

Family Medicine

2253 W MASON ST
GREEN BAY, WI 54303

Brown County (920) 327-7300

NICHOLAS JAMES HEEZEN D.O.

Internal Medicine

2253 W MASON ST, SUITE 200
GREEN BAY, WI 54303

Brown County (920) 327-7300

DR. MARK R KROLL D.O.

Emergency Medicine

2253 W MASON ST
GREEN BAY, WI 54303

Brown County (920) 327-7000

SHANNA M SEBERO APNP

Nurse Practitioner

2253 W MASON ST
GREEN BAY, WI 54303

Brown County (920) 327-7300

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 Alexander Foster's NPI number?

The NPI number for Alexander Foster is 1992233662. It was assigned to this individual provider in the NPPES registry on May 25, 2017.

Where is Alexander Foster located?

Alexander Foster practices at 2253 W Mason St, Green Bay, WI 54303. The listed phone number is (920) 327-7000.

What is Alexander Foster's specialty?

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

Is Alexander Foster enrolled in Medicare?

Yes. Alexander Foster 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 Alexander Foster accept?

Health plans from Anthem Blue Cross and Blue Shield, CareSource (Common Ground Healthcare), HealthPartners, Quartz and Security Health Plan and 1 other insurer list Alexander Foster 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.

Is Alexander Foster affiliated with any hospitals?

According to CMS data, Alexander Foster is affiliated with Aurora Baycare Medical Ctr and Door County Medical Center.

When was this NPI record last updated?

The NPPES record for Alexander Foster was last updated on April 21, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 months 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.