Isaac William Porter, M.D.
Ophthalmology Physician · Raleigh, NC
Isaac William Porter, M.D. is an ophthalmology physician with a practice address in Raleigh, North Carolina, and NPI 1407069727, issued on May 7, 2007. Check the license (North Carolina 2010-00315, as entered in NPPES) on the North Carolina Medical Board; the Medicare figures below come from public CMS files.
- Name
- Isaac William Porter
- Credential
- M.D.
- Primary taxonomy
- Ophthalmology Physician 207W00000X
- License numbers
- 2010-00315 NC
036.122534 IL
Self-reported in NPPES; status is on the state search - Practice location
- 5962 Six Forks RD, Raleigh, NC 27609
- Phone
- (919) 876-4064
- Enumerated
- May 7, 2007
- Record last updated
- Aug 23, 2022
- Fax
- (919) 876-3159
- Medicare enrollment
- Enrolled (PECOS I20101222000305); accepts Medicare assignment
- Medical or professional school
- University Of Kentucky College Of Medicine, 2005
- Entity
- Type 1 · individual
8 nearest ophthalmology physician records → All 688 in North Carolina → Look up another NPI →
Also registered at 5962 Six Forks RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Bhumi Kinariwala, MDOphthalmology Physician1548798143
Verify Isaac William Porter in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersNorth Carolina Medical Board
Search for license 2010-00315Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
80% fewer Medicare Part D claims than the average ophthalmology physician in 2024
306 Medicare Part D claims for 85 beneficiaries, against an average of 1,518 among the 16,459 providers of this specialty who prescribed in Part D. Brand-name drugs were 25% of claims.
Most prescribed
- Latanoprost98 claims
- Erythromycin47 claims
- Dorzolamide-Timolol27 claims
- Timolol Maleate26 claims
- Prednisolone Acetate23 claims
- Doxycycline Monohydrate17 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.
No measured MIPS final score for 2023
CMS assigned the neutral MIPS final score of 75 without scoring Quality, Cost, Promoting Interoperability or Improvement Activities. It is an administrative threshold, so PlainDoctor does not compare it with measured clinicians.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $379.56
4 payments; by number, the most common kind was food and beverage; the largest payer was Johnson & Johnson Surgical Vision, 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
- North Raleigh Ophthalmology, P.ARaleigh, NC
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Isaac William Porter among 688 ophthalmology physician records in North Carolina
Isaac William Porter, M.D. is one of 688 ophthalmology physician records with a practice address in North Carolina. 77% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 56% of them.
- NPI issued2007 · 56% of these records are older, 36% newer
- In a Medicare fileYes · 77% of these records are
- In the CMS Doctors and Clinicians fileYes · 67% of these records are
- Graduated2005 · median 2004 among the 463 with a school on file
- Record last updated2022 · 60% 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 North 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 North Carolina
There are 688 ophthalmology physician records in North Carolina.
All 688 in North Carolina → Every provider in Raleigh → Ophthalmology Physician nationwide →
The 8 ophthalmology physician records with the nearest ZIP codes
- Robert Board, M.D.Raleigh, NC 276091285684951
- Bruce Boliek, M.D.Raleigh, NC 276091033160817
- Vincent Dahringer, MDRaleigh, NC 276091912010190
- Frances Foster, MDRaleigh, NC 276091629062880
- William Foster, M.D.Raleigh, NC 276091093766016
- Nitin Gupta, M.D., M.P.H.Raleigh, NC 276091962454835
- Kerry Hunt, M.D.Raleigh, NC 276091972598522
- Holly Johnson, M.D.Raleigh, NC 276091043261076
Common questions
What is Isaac William Porter, M.D.'s NPI number?
Isaac William Porter, M.D.'s National Provider Identifier (NPI) is 1407069727, issued on May 7, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Isaac William Porter, M.D. located?
The NPPES record lists a practice address at 5962 Six Forks RD, Raleigh, NC, 27609. Phone: (919) 876-4064. Providers update this record themselves, so call before visiting.
How can I verify Isaac William Porter, M.D.'s license?
NPPES lists North Carolina license number 2010-00315, as entered by the provider. Search the North Carolina Medical Board at https://portal.ncmedboard.org/verification/search.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Isaac William Porter, M.D. prescribe under Medicare Part D?
In 2024, Isaac William Porter, M.D. had 306 Medicare Part D claims for 85 beneficiaries; the average among ophthalmology physician prescribers was 1,518. Part D covers Medicare prescriptions only.
What is Isaac William Porter, M.D.'s MIPS final score?
CMS assigned the neutral MIPS final score of 75 for 2023 without scoring any category, so it is not a measured result.
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.