Mark A. Szal, MD
Ophthalmology Physician · Concord, NH
Mark A. Szal, MD is an ophthalmology physician with a practice address in Concord, New Hampshire, and NPI 1588665475, issued on Aug 2, 2005. Check the license (New Hampshire 10668, as entered in NPPES) on the New Hampshire Board of Medicine; the Medicare figures below come from public CMS files.
- Name
- Mark A. Szal
- Credential
- MD
- Primary taxonomy
- Ophthalmology Physician 207W00000X
- License number
- 10668 NH
Self-reported in NPPES; status is on the state search - Practice location
- 248 Pleasant St, Concord, NH 03301
- Phone
- (603) 224-2020
- Enumerated
- Aug 2, 2005
- Record last updated
- Apr 21, 2020 (not updated in 6 years: call before relying on the address or phone)
- Fax
- (603) 228-0248
- Medicaid ID
- 30200191 NH
- Medicare enrollment
- Enrolled (PECOS I20051230000165); accepts Medicare assignment
- Medical or professional school
- University Of Rochester School Of Medicine And Dentistry, 1988
- Entity
- Type 1 · individual
8 nearest ophthalmology physician records → All 99 in New Hampshire → Look up another NPI →
Also registered at 248 Pleasant St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Mark A. Szal in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersNew Hampshire Board of Medicine
Search for license 10668Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
38% more Medicare Part D claims than the average ophthalmology physician in 2024
2,101 Medicare Part D claims for 697 beneficiaries, against an average of 1,518 among the 16,459 providers of this specialty who prescribed in Part D. Brand-name drugs were 46% of claims.
Most prescribed
- Prednisolone Acetate534 claims
- Latanoprost467 claims
- Ofloxacin435 claims
- Prolensa229 claims
- Timolol Maleate125 claims
- Bromfenac Sodium62 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): 97.9 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: $38.83
2 payments; by number, the most common kind was food and beverage; the largest payer was Abbvie 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
- Concord Ophthalmologic Associates PAConcord, NH
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Mark A. Szal among 99 ophthalmology physician records in New Hampshire
Mark A. Szal, MD is one of 99 ophthalmology physician records with a practice address in New Hampshire. 74% 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, 79% newer
- In a Medicare fileYes · 74% of these records are
- In the CMS Doctors and Clinicians fileYes · 66% of these records are
- Graduated1988 · median 2004 among the 65 with a school on file
- Record last updated2020 · 65% 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 New Hampshire practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Ophthalmology Physician providers in New Hampshire
There are 99 ophthalmology physician records in New Hampshire.
All 99 in New Hampshire → Every provider in Concord → Ophthalmology Physician nationwide →
The 8 ophthalmology physician records with the nearest ZIP codes
- Purvi Desmarais, MDConcord, NH 033011174151856
- Erin Fogel, M.D.Concord, NH 033011417941808
- Bradford Hall, MDConcord, NH 033011255332169
- Thomas Hand, MDConcord, NH 033011407857170
- Catherine Marando, MDConcord, NH 033011336678119
- Joseph Mootz, MDConcord, NH 033011053996975
- Christie Morse, MDConcord, NH 033011154322055
- Jerome Ramos Esteban, MDConcord, NH 033011366553398
Common questions
What is Mark A. Szal, MD's NPI number?
Mark A. Szal, MD's National Provider Identifier (NPI) is 1588665475, issued on Aug 2, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Mark A. Szal, MD located?
The NPPES record lists a practice address at 248 Pleasant St, Concord, NH, 03301. Phone: (603) 224-2020. Providers update this record themselves, so call before visiting.
How can I verify Mark A. Szal, MD's license?
NPPES lists New Hampshire license number 10668, as entered by the provider. Search the New Hampshire Board of Medicine at https://www.oplc.nh.gov/board-medicine. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Mark A. Szal, MD prescribe under Medicare Part D?
In 2024, Mark A. Szal, MD had 2,101 Medicare Part D claims for 697 beneficiaries; the average among ophthalmology physician prescribers was 1,518. Part D covers Medicare prescriptions only.
What is Mark A. Szal, MD's MIPS final score?
The 2023 MIPS final score is 97.9 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.