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DR. BARRY ALBERT DAHLGREN O.D.
NPI 1235281270
Optometrist in Greenfield, WI

Active since January 18, 2007PECOS Enrolled
3670 S 108TH ST, STE 204, GREENFIELD, WI 53228(414) 453-1010(414) 425-4230 Get Directions Write a Review

NPPES record last updated: January 23, 2017. Verified against the NPPES registry weekly; last sync: November 01, 2026.

About Dr. Barry Albert Dahlgren O.d. NPPES

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

DR. BARRY ALBERT DAHLGREN O.D. (NPI 1235281270) is an individual optometrist in Greenfield, Wisconsin, licensed in Wisconsin (WI1460) and active in the NPI registry since January 2007. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1235281270
Entity TypeIndividualMale
Primary Taxonomy152W00000X
Provider Legal NameDR. BARRY ALBERT DAHLGRENCredential: O.D.
Location Address3670 S 108TH ST, STE 204Greenfield, WI 53228-1237
Mailing Address8535 W Tripoli AveMilwaukee, WI 53228-1723 · (414) 543-7383
Phone(414) 453-1010
Fax(414) 425-4230
Sole ProprietorYes
Enumeration DateJanuary 18, 2007
Last NPPES UpdateJanuary 23, 2017
✔ NPI 1235281270 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 WI · WI1460
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.
3670 S 108TH ST, Greenfield, WI 53228
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Other Identifiers 3

Medicare UPINT61720WI
Medicare ID-Type Unspecified87709001WI
Medicaid38511700WI

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Barry Albert Dahlgren O.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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 Barry Dahlgren reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

The Eye Group Sc
13 mi
Optometrist
3228 TURNBERRY OAK DR, SUITE 200
Waukesha, WI 53188
  • Reassigned Medicare billing, Wisconsin enrollment
  • 5 clinicians in this Medicare group
NPI 1659332823 (262) 542-7113

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

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 53228 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.

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.

GREENFIELD OPTIMAL DENTAL CARE LLC
Dentist (General Practice)
3670 S 108TH ST
GREENFIELD, WI 53228
Milwaukee County (414) 837-5989
PAUL MARTIN GODICH
Optometrist
3670 S 108TH ST, STE 204
GREENFIELD, WI 53228
Milwaukee County (414) 453-1010

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 Barry Dahlgren's NPI number?

The NPI number for Barry Dahlgren is 1235281270. It was assigned to this individual provider in the NPPES registry on January 18, 2007.

Where is Barry Dahlgren located?

Barry Dahlgren practices at 3670 S 108th St Ste 204, Greenfield, WI 53228. The listed phone number is (414) 453-1010.

What is Barry Dahlgren's specialty?

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

Is Barry Dahlgren enrolled in Medicare?

Yes. Barry Dahlgren is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Barry Dahlgren's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Barry Dahlgren reassigns Medicare benefits to The Eye Group Sc (Waukesha, WI). 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 Barry Dahlgren's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Barry Dahlgren was last updated on January 23, 2017. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 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.