Mark J. Stamm, MD
Ophthalmology Physician · Lewes, DE
Mark J. Stamm, MD is an ophthalmology physician with a practice address in Lewes, Delaware, and NPI 1922082387, issued on Nov 30, 2005. Check the license (Delaware C1-0027102, as entered in NPPES) on the Delaware Board of Medical Licensure and Discipline; the Medicare figures below come from public CMS files.
- Name
- Mark J. Stamm
- Credential
- MD
- Primary taxonomy
- Ophthalmology Physician 207W00000X
- License number
- C1-0027102 DE
Self-reported in NPPES; status is on the state search - Practice location
- 28185 Celestial Way, Lewes, DE 19958
- Phone
- (914) 283-9027
- Enumerated
- Nov 30, 2005
- Record last updated
- Jul 28, 2025
- Fax
- (845) 294-1479
- Medicaid ID
- 000607658 NY
- Entity
- Type 1 · individual
8 nearest ophthalmology physician records → All 65 in Delaware → Look up another NPI →
Verify Mark J. Stamm in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersDelaware Board of Medical Licensure and Discipline
Search for license C1-0027102Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
52% fewer Medicare Part D claims than the average ophthalmology physician in 2024
726 Medicare Part D claims for 216 beneficiaries, against an average of 1,518 among the 16,459 providers of this specialty who prescribed in Part D. Brand-name drugs were 35% of claims.
Most prescribed
- Latanoprost208 claims
- Timolol Maleate58 claims
- Prednisolone Acetate57 claims
- Gatifloxacin41 claims
- Lumigan35 claims
- Brimonidine Tartrate33 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.
The practice group's MIPS final score for 2023 (Medicare payment program): 79.3 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $76.33
3 payments; by number, the most common kind was food and beverage; the largest payer was Harrow Eye, LLC. 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.
Mark J. Stamm among 65 ophthalmology physician records in Delaware
Mark J. Stamm, MD is one of 65 ophthalmology physician records with a practice address in Delaware. 71% 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, 72% newer
- In a Medicare fileYes · 71% of these records are
- In the CMS Doctors and Clinicians fileNo · 60% of these records are
- Record last updated2025 · 71% 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 Delaware practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Ophthalmology Physician providers in Delaware
There are 65 ophthalmology physician records in Delaware.
All 65 in Delaware → Every provider in Lewes → Ophthalmology Physician nationwide →
The 8 ophthalmology physician records with the nearest ZIP codes
- Rodolfo Rios, M.DLewes, DE 199581609889658
- Diane Lubkeman, M.D.Laurel, DE 199561790785145
- Brett Elliott, MDMilford, DE 199631811991334
- Karen Rudo, MDMilford, DE 199631982921110
- John Stump, M.D.Milford, DE 199631386641058
- Edward Jaoude, M.D.Milton, DE 199681619969235
- Arthur Belson, M.D.Rehoboth Beach, DE 199711578593331
- Frederick Cook, MDRehoboth Beach, DE 199711720076045
Common questions
What is Mark J. Stamm, MD's NPI number?
Mark J. Stamm, MD's National Provider Identifier (NPI) is 1922082387, issued on Nov 30, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Mark J. Stamm, MD located?
The NPPES record lists a practice address at 28185 Celestial Way, Lewes, DE, 19958. Phone: (914) 283-9027. Providers update this record themselves, so call before visiting.
How can I verify Mark J. Stamm, MD's license?
NPPES lists Delaware license number C1-0027102, as entered by the provider. Search the Delaware Board of Medical Licensure and Discipline at https://delpros.delaware.gov/OH_VerifyLicense. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Mark J. Stamm, MD prescribe under Medicare Part D?
In 2024, Mark J. Stamm, MD had 726 Medicare Part D claims for 216 beneficiaries; the average among ophthalmology physician prescribers was 1,518. Part D covers Medicare prescriptions only.
What is Mark J. Stamm, MD's MIPS final score?
The 2023 MIPS final score is 79.3 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
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.