John Michael Avallone
Ophthalmology Physician · Arnold, MD
John Michael Avallone is an ophthalmology physician with a practice address in Arnold, Maryland, and NPI 1205846102, issued on Aug 9, 2006. Check the license (Maryland D36805, as entered in NPPES) on the Maryland Board of Physicians; the Medicare figures below come from public CMS files.
- Name
- John Michael Avallone
- Primary taxonomy
- Ophthalmology Physician 207W00000X
- License number
- D36805 MD
Self-reported in NPPES; status is on the state search - Practice location
- 83 Church RD, Arnold, MD 21012
- Phone
- (410) 757-2778
- Enumerated
- Aug 9, 2006
- Record last updated
- Aug 6, 2008 (not updated in 18 years: call before relying on the address or phone)
- Fax
- (410) 757-0632
- Medicaid ID
- 406116100 MD
- Medicare enrollment
- Enrolled (PECOS I20101104000202); accepts Medicare assignment
- Medical or professional school
- Uniformed Services Uhs Fe Hebert School Of Med, 1986
- Entity
- Type 1 · individual
8 nearest ophthalmology physician records → All 588 in Maryland → Look up another NPI →
Also registered at 83 Church RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Paul Berson, M.D.Ophthalmology Physician1043521321
- Stephanie Fox, O.D.Optometrist1902866981
- David Greenburg, M.D.Ophthalmology Physician1578534228
- August Pasquale, M.D.Ophthalmology Physician1386724334
- Steven Sherman, M.D.Ophthalmology Physician1386602704
- Cheryl Wilson, CRNACertified Registered Nurse Anesthetist1851404792
Verify John Michael Avallone in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMaryland Board of Physicians
Search for license D36805Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
99% fewer Medicare Part D claims than the average ophthalmology physician in 2024
15 Medicare Part D claims for 12 beneficiaries, against an average of 1,518 among the 16,459 providers of this specialty who prescribed in Part D.
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.
Bills Medicare through one group practice
- Ophthalmology Associates OF Greater Annapolis PAArnold, MD
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
John Michael Avallone among 588 ophthalmology physician records in Maryland
John Michael Avallone is one of 588 ophthalmology physician 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 2006, is newer than 14% of them.
- NPI issued2006 · 14% of these records are older, 44% newer
- In a Medicare fileYes · 72% of these records are
- In the CMS Doctors and Clinicians fileYes · 63% of these records are
- Graduated1986 · median 2002 among the 369 with a school on file
- Record last updated2008 · 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 Maryland practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
5 ophthalmology physician records list a practice address in Arnold
They are 5 of the 307 NPPES records with a practice address in Arnold, and 588 ophthalmology physician records in Maryland.
All 588 in Maryland → Every provider in Arnold → Ophthalmology Physician nationwide →
The 8 ophthalmology physician records with the nearest ZIP codes
- Paul Berson, M.D.Arnold, MD 210121043521321
- David Greenburg, M.D.Arnold, MD 210121578534228
- August Pasquale, M.D.Arnold, MD 210121386724334
- Steven Sherman, M.D.Arnold, MD 210121386602704
- Arturo Aglubat, M.D.Bel Air, MD 210141609855055
- Meghan Berkenstock, M.D.Bel Air, MD 210141376839217
- Charles Castoro, M.D.Bel Air, MD 210141235117300
- Wayne Parris, M.D.Bel Air, MD 210141902884141
Common questions
What is John Michael Avallone's NPI number?
John Michael Avallone's National Provider Identifier (NPI) is 1205846102, issued on Aug 9, 2006. An NPI identifies a provider in billing; it is not a license.
Where is John Michael Avallone located?
The NPPES record lists a practice address at 83 Church RD, Arnold, MD, 21012. Phone: (410) 757-2778. Providers update this record themselves, so call before visiting.
How can I verify John Michael Avallone's license?
NPPES lists Maryland license number D36805, as entered by the provider. Search the Maryland Board of Physicians at https://www.mbp.state.md.us/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does John Michael Avallone prescribe under Medicare Part D?
In 2024, John Michael Avallone had 15 Medicare Part D claims for 12 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.