DR. ANDREW DAVID STACK O.D.
NPI 1306983648
Optometrist in Hamden, CT
About Dr. Andrew David Stack O.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. ANDREW DAVID STACK O.D. (NPI 1306983648) is an individual optometrist in Hamden, Connecticut, licensed in Connecticut (2289) and active in the NPI registry since January 2007. He is enrolled in Medicare PECOS, maintains a secondary practice location in New Haven, and is a graduate of University Alabama Birmingham - School Of Optometry (1985).
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Location 1
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Dr. Andrew David Stack 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.
Medicare Billing Reassignment
Medicare enrollment records show Andrew Stack reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Hamden, CT 06514
- Reassigned Medicare billing, Connecticut enrollment
- 133 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Areas of Expertise CMS Part B claims 2
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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 06514 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Other Providers at the Same Location NPPES 10
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
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 Andrew Stack's NPI number?
The NPI number for Andrew Stack is 1306983648. It was assigned to this individual provider in the NPPES registry on January 30, 2007.
Where is Andrew Stack located?
Andrew Stack practices at 2165 Dixwell Ave, Hamden, CT 06514. The listed phone number is (203) 407-3937.
What is Andrew Stack's specialty?
The primary specialty registered for this NPI is Optometrist with taxonomy code 152W00000X.
Is Andrew Stack enrolled in Medicare?
Yes. Andrew Stack 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.
Which organization bills Medicare for Andrew Stack's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Andrew Stack reassigns Medicare benefits to Myeyedr Optometry Of Connecticut, LLC (Hamden, CT). 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 Andrew Stack's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Andrew Stack accept?
Health plans from Anthem Blue Cross and Blue Shield, Blue Cross Blue Shield of Wyoming, Blue Cross and Blue Shield of Louisiana, Blue Cross and Blue Shield of Montana and Blue Cross and Blue Shield of Oklahoma and 2 other insurers list Andrew Stack 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 Andrew Stack was last updated on October 14, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 days 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.
# Dr. Andrew David Stack, O.D. · NPI 1306983648
Optometrist provider in Hamden, Connecticut. Individual provider, active in the CMS NPPES registry since January 30, 2007.
## Identity
- **NPI:** 1306983648 (Entity type: Individual)
- **Enumerated:** January 30, 2007
- **Primary specialty:** Optometrist · taxonomy 152W00000X
- **State license:** 2289 (Connecticut)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 2165 DIXWELL AVE, Hamden, CT 06514-2116
- **Phone:** (203) 407-3937 · **Fax:** (203) 407-3932
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health
- **Bills Medicare through:** Myeyedr Optometry Of Connecticut, LLC (NPI 1033583745, Hamden, CT), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** University Alabama Birmingham - School Of Optometry, class of 1985
## Record status
- **NPPES last updated:** October 14, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1306983648) · Data from the CMS NPPES public registry.