DR. ERIC T LAO MD
NPI 1801878681
Internal Medicine in South Windsor, CT
About Dr. Eric T Lao Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. ERIC T LAO MD (NPI 1801878681) is an individual internal medicine provider in South Windsor, Connecticut, licensed in Massachusetts (209983) and active in the NPI registry since November 2005. He is enrolled in Medicare PECOS, is affiliated with Baystate Medical Center, and maintains a secondary practice location in Hartford.
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. Eric T Lao 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.
Medicare Billing Reassignments
6Medicare enrollment records show Eric Lao reassigns Medicare billing to 6 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Vernon, CT 06066
- Reassigned Medicare billing, Connecticut enrollment
- Medicare enrollment name: Afc Physicians Of Connecticut PC
- 62 clinicians in this Medicare group
Hartford, CT 06105
- Reassigned Medicare billing, Connecticut enrollment
- 45 clinicians in this Medicare group
Springfield, MA 01151
- Reassigned Medicare billing, Connecticut enrollment
- Medicare enrollment name: Ipc Hospitalists Of New England PC
- 88 clinicians in this Medicare group
Derby, CT 06418
- Reassigned Medicare billing, Connecticut enrollment
- 40 clinicians in this Medicare group
Chelsea, MA 02150
- Reassigned Medicare billing, Connecticut enrollment
- 40 clinicians in this Medicare group
Frederick, MD 21701
- Reassigned Medicare billing, Connecticut enrollment
- 32 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 11
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.
Hospital Affiliations CMS Care Compare
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Baystate Medical Center
Acute Care Hospitals · Springfield, MAPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 06074 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
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.
Other Providers at the Same Location NPPES
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 Eric Lao's NPI number?
The NPI number for Eric Lao is 1801878681. It was assigned to this individual provider in the NPPES registry on November 16, 2005.
Where is Eric Lao located?
Eric Lao practices at 216 Hemlock Ave Ste 104, South Windsor, CT 06074. The listed phone number is (860) 697-6565.
What is Eric Lao's specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is Eric Lao enrolled in Medicare?
Yes. Eric Lao 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 organizations bill Medicare for Eric Lao's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Eric Lao reassigns Medicare benefits to 6 organizations: Ctuc01 (Vernon, CT), Collins Medical Associates 2 PC (Hartford, CT), Ipc Hospitalists Of New England, P.C. (Springfield, MA), Connecticut Post Acute Medical Services 1 PC (Derby, CT), Ma Pacs 2 PC (Chelsea, MA) and 1 more organization, listed in the Medicare section above. Each 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 Eric Lao's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Eric Lao accept?
Health plans from Anthem Blue Cross and Blue Shield and Taro Health list Eric Lao 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 Eric Lao affiliated with any hospitals?
According to CMS data, Eric Lao is affiliated with Baystate Medical Center.
When was this NPI record last updated?
The NPPES record for Eric Lao was last updated on June 22, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.
# Dr. Eric T Lao, MD · NPI 1801878681
Internal Medicine physician in South Windsor, Connecticut. Individual provider, active in the CMS NPPES registry since November 16, 2005.
## Identity
- **NPI:** 1801878681 (Entity type: Individual)
- **Enumerated:** November 16, 2005
- **Primary specialty:** Internal Medicine · taxonomy 207R00000X
- **State license:** 209983 (Massachusetts)
- **Sole proprietor:** No
## Practice location
- **Address:** 216 HEMLOCK AVE STE 104, South Windsor, CT 06074-9607
- **Phone:** (860) 697-6565 · **Fax:** (860) 730-4661
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 6 organizations under Medicare reassignment (form CMS-855R): Ctuc01 (NPI 1922539592, Vernon, CT); Collins Medical Associates 2 PC (NPI 1912928169, Hartford, CT); Ipc Hospitalists Of New England, P.C. (NPI 1659555266, Springfield, MA); Connecticut Post Acute Medical Services 1 PC (NPI 1558890467, Derby, CT); Ma Pacs 2 PC (NPI 1265918791, Chelsea, MA); and 1 more · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 1990
## Record status
- **NPPES last updated:** June 22, 2021
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Source: [NPI Profile](https://npiprofile.com/npi/1801878681) · Data from the CMS NPPES public registry.