DR. ERIK M. HAPP MD
NPI 1861484032
Ophthalmology in Mt Pleasant, SC
About Dr. Erik M. Happ Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. ERIK M. HAPP MD (NPI 1861484032) is an individual ophthalmology provider in Mt Pleasant, South Carolina, licensed in South Carolina (92300) and active in the NPI registry since August 2005. He is enrolled in Medicare PECOS, maintains a secondary practice location in Pittsburgh, and is a graduate of Hahnemann University College Of Medicine (1997).
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Location 1
Other Identifiers 3
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. Erik M. Happ 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
5Medicare enrollment records show Erik Happ reassigns Medicare billing to 5 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
N Charleston, SC 29406
- Reassigned Medicare billing, South Carolina enrollment
- 29 clinicians in this Medicare group
Washington, PA 15301
- Reassigned Medicare billing, Pennsylvania enrollment
- 30 clinicians in this Medicare group
Pittsburgh, PA 15220
- Reassigned Medicare billing, Pennsylvania enrollment
- 17 clinicians in this Medicare group
Pittsburgh, PA 15212
- Reassigned Medicare billing, Pennsylvania enrollment
- 8 clinicians in this Medicare group
Sewickley, PA 15143
- Reassigned Medicare billing, Pennsylvania enrollment
- 6 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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 29464 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 3
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 Erik Happ's NPI number?
The NPI number for Erik Happ is 1861484032. It was assigned to this individual provider in the NPPES registry on August 16, 2005.
Where is Erik Happ located?
Erik Happ practices at 805 Long Point Rd, Mt Pleasant, SC 29464. The listed phone number is (843) 971-6300.
What is Erik Happ's specialty?
The primary specialty registered for this NPI is Ophthalmology with taxonomy code 207W00000X.
Is Erik Happ enrolled in Medicare?
Yes. Erik Happ 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 Erik Happ's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Erik Happ reassigns Medicare benefits to 5 organizations: Carolina Eyecare Physicians LLC (N Charleston, SC), E. Ronald Salvitti, M.D., Inc. (Washington, PA), Alexander Chang MD PC (Pittsburgh, PA), Allegheny Ophthalmic & Orbital Associates (Pittsburgh, PA) and Daniel J. Nadler MD PC (Sewickley, PA). 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 Erik Happ's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Erik Happ accept?
Health plans from Ambetter Health, Ambetter from Absolute Total Care, Ambetter of North Carolina, Anthem Blue Cross and Blue Shield and Blue Cross and Blue Shield of Montana and 4 other insurers list Erik Happ 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 Erik Happ was last updated on September 12, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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. Erik M. Happ, MD · NPI 1861484032
Ophthalmology physician in Mt Pleasant, South Carolina. Individual provider, active in the CMS NPPES registry since August 16, 2005.
## Identity
- **NPI:** 1861484032 (Entity type: Individual)
- **Enumerated:** August 16, 2005
- **Primary specialty:** Ophthalmology · taxonomy 207W00000X
- **State license:** 92300 (South Carolina)
- **Sole proprietor:** No
## Practice location
- **Address:** 805 LONG POINT RD, Mt Pleasant, SC 29464-8374
- **Phone:** (843) 971-6300
## 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:** 5 organizations under Medicare reassignment (form CMS-855R): Carolina Eyecare Physicians LLC (NPI 1659421238, N Charleston, SC); E. Ronald Salvitti, M.D., Inc. (NPI 1568467884, Washington, PA); Alexander Chang MD PC (NPI 1386861995, Pittsburgh, PA); Allegheny Ophthalmic & Orbital Associates (NPI 1417926767, Pittsburgh, PA); Daniel J. Nadler MD PC (NPI 1497757629, Sewickley, PA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Hahnemann University College Of Medicine, class of 1997
## Record status
- **NPPES last updated:** September 12, 2024
- **Other identifiers:** Medicaid 1013022500001 (PA); Medicaid 8453268 (WA); Medicaid 2574227 (OH)
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Source: [NPI Profile](https://npiprofile.com/npi/1861484032) · Data from the CMS NPPES public registry.