Apostolos John Giannas, O.D.
Optometrist · Baltimore, MD
Apostolos John Giannas, O.D. is an optometrist with a practice address in Baltimore, Maryland, and NPI 1790906378, issued on May 1, 2007. Check the license (Maryland TA0814, as entered in NPPES) with the Maryland board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Apostolos John Giannas
- Credential
- O.D.
- Primary taxonomy
- Optometrist 152W00000X
- License number
- TA0814 MD
Self-reported in NPPES; status is on the state search - Practice location
- 7106 Ridge RD, Baltimore, MD 21237
- Phone
- (410) 866-2022
- Enumerated
- May 1, 2007
- Record last updated
- Jun 20, 2016 (not updated in 10 years: call before relying on the address or phone)
- Fax
- (410) 866-2031
- Medicare enrollment
- Enrolled (PECOS I20101028001153); accepts Medicare assignment
- Medical or professional school
- Southern College Of Optometry, 1981
- Entity
- Type 1 · individual
8 nearest optometrist records → All 924 in Maryland → Look up another NPI →
Also registered at 7106 Ridge RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Shari Lewis, M.D.Nephrology Physician1447459375
Verify Apostolos John Giannas in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Maryland board licenses this profession
Search for license TA0814Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
91% fewer Medicare Part D claims than the average optometrist in 2024
26 Medicare Part D claims, against an average of 277 among the 33,128 providers of this specialty who prescribed in Part D. Brand-name drugs were 100% of claims.
Most prescribed
- Xiidra14 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): 86.1 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: $224.76
5 payments; by number, the most common kind was food and beverage; the largest payer was Bausch & Lomb Americas Inc. The 34,453 providers of this specialty with any payment received $769.99 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
- Katzen Medical Associates PCBaltimore, MD
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Apostolos John Giannas among 924 optometrist records in Maryland
Apostolos John Giannas, O.D. is one of 924 optometrist records with a practice address in Maryland. 72% 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 44% of them.
- NPI issued2007 · 44% of these records are older, 42% newer
- In a Medicare fileYes · 72% of these records are
- In the CMS Doctors and Clinicians fileYes · 56% of these records are
- Graduated1981 · median 2005 among the 517 with a school on file
- Record last updated2016 · 63% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 152W00000X and a Maryland practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Optometrist providers in Maryland
There are 924 optometrist records in Maryland.
All 924 in Maryland → Every provider in Baltimore → Optometrist nationwide →
The 8 optometrist records with the nearest ZIP codes
- Louis Puglese, ODRosedale, MD 212371932268620
- Greg Barbush, O.D.Nottingham, MD 212361518399781
- Karen Dunlap, O.D.Nottingham, MD 212361396900619
- Timothy Kirkman, ODBaltimore, MD 212361063526218
- Howard Levin, O.D.Nottingham, MD 212361366473548
- Shana Levy, ODBaltimore, MD 212361114086436
- Whitney McConkey, O.D.Baltimore, MD 212361275990145
- Iva Nosi, O.D.Nottingham, MD 212361275763500
Common questions
What is Apostolos John Giannas, O.D.'s NPI number?
Apostolos John Giannas, O.D.'s National Provider Identifier (NPI) is 1790906378, issued on May 1, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Apostolos John Giannas, O.D. located?
The NPPES record lists a practice address at 7106 Ridge RD, Baltimore, MD, 21237. Phone: (410) 866-2022. Providers update this record themselves, so call before visiting.
How can I verify Apostolos John Giannas, O.D.'s license?
NPPES lists Maryland license number TA0814, as entered by the provider. Search the Maryland board that licenses this profession; the NPPES record confirms identity only.
How much does Apostolos John Giannas, O.D. prescribe under Medicare Part D?
In 2024, Apostolos John Giannas, O.D. had 26 Medicare Part D claims; the average among optometrist prescribers was 277. Part D covers Medicare prescriptions only.
What is Apostolos John Giannas, O.D.'s MIPS final score?
The 2023 MIPS final score is 86.1 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.