Erik M. Happ, MD
Ophthalmology Physician · Mt Pleasant, SC
Erik M. Happ, MD is an ophthalmology physician with a practice address in Mt Pleasant, South Carolina, and NPI 1861484032, issued on Aug 16, 2005. Check the license (South Carolina 92300, as entered in NPPES) on the South Carolina Board of Medical Examiners; the Medicare figures below come from public CMS files.
- Name
- Erik M. Happ
- Credential
- MD
- Primary taxonomy
- Ophthalmology Physician 207W00000X
- License numbers
- 92300 SC
MD426282 PA
Self-reported in NPPES; status is on the state search - Practice location
- 805 Long Point RD, Mt Pleasant, SC 29464
- Phone
- (843) 971-6300
- Enumerated
- Aug 16, 2005
- Record last updated
- Sep 12, 2024
- Medicaid IDs
- 1013022500001 PA
8453268 WA
2574227 OH - Medicare enrollment
- Enrolled (PECOS I20240821004767); accepts Medicare assignment
- Medical or professional school
- Hahnemann University College Of Medicine, 1997
- Entity
- Type 1 · individual
8 nearest ophthalmology physician records → All 329 in South Carolina → Look up another NPI →
Also registered at 805 Long Point RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Kalyn Schaefer, ODOptometrist1316510704
Verify Erik M. Happ in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersSouth Carolina Board of Medical Examiners
Search for license 92300Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
70% fewer Medicare Part D claims than the average ophthalmology physician in 2024
451 Medicare Part D claims for 292 beneficiaries, against an average of 1,518 among the 16,459 providers of this specialty who prescribed in Part D. Brand-name drugs were 44% of claims.
Most prescribed
- Neomycin-Polymyxin-Dexameth262 claims
- Lumigan33 claims
- Prednisone19 claims
- Tepezza16 claims
- Erythromycin14 claims
- Latanoprost12 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Industry payments in 2024: $23,250.56
38 payments; by number, the most common kind was food and beverage; the largest payer was Amgen Inc. The 13,221 providers of this specialty with any payment received $4,535.02 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Carolina Eyecare Physicians LLCSummerville, SC
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Erik M. Happ among 329 ophthalmology physician records in South Carolina
Erik M. Happ, MD is one of 329 ophthalmology physician records with a practice address in South Carolina. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 84% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 67% of these records are
- Graduated1997 · median 2002 among the 219 with a school on file
- Record last updated2024 · 54% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207W00000X and a South Carolina practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Ophthalmology Physician providers in South Carolina
There are 329 ophthalmology physician records in South Carolina.
All 329 in South Carolina → Every provider in Mt Pleasant → Ophthalmology Physician nationwide →
The 8 ophthalmology physician records with the nearest ZIP codes
- Michael Decourcey, MDMount Pleasant, SC 294641477042711
- Linda Fairchild, MDMount Pleasant, SC 294641508430059
- Francisco Folgar, M.D.Mount Pleasant, SC 294641801060454
- Charlene Grice, MDMount Pleasant, SC 294641184636565
- John Gross, M.D.Mt Pleasant, SC 294641710995543
- Gene Howard, MDMount Pleasant, SC 294641255343794
- Nicole Legare, M.D.Mt Pleasant, SC 294641639673080
- David O'Day, MDMount Pleasant, SC 294641477514602
Common questions
What is Erik M. Happ, MD's NPI number?
Erik M. Happ, MD's National Provider Identifier (NPI) is 1861484032, issued on Aug 16, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Erik M. Happ, MD located?
The NPPES record lists a practice address at 805 Long Point RD, Mt Pleasant, SC, 29464. Phone: (843) 971-6300. Providers update this record themselves, so call before visiting.
How can I verify Erik M. Happ, MD's license?
NPPES lists South Carolina license number 92300, as entered by the provider. Search the South Carolina Board of Medical Examiners at https://verify.llronline.com/LicLookup/Med/Med.aspx?div=22. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Erik M. Happ, MD prescribe under Medicare Part D?
In 2024, Erik M. Happ, MD had 451 Medicare Part D claims for 292 beneficiaries; the average among ophthalmology physician prescribers was 1,518. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.