John Michael Spero, D.M.D
General Practice Dentistry · York, ME
John Michael Spero, D.M.D is a general practice dentistry with a practice address in York, Maine, and NPI 1023045119, issued on Jun 26, 2006. Check the license (Maine 3569, as entered in NPPES) with the Maine board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- John Michael Spero
- Credential
- D.M.D
- Primary taxonomy
- General Practice Dentistry 1223G0001X
- License number
- 3569 ME
Self-reported in NPPES; status is on the state search - Practice location
- 1060 US Route 1, York, ME 03909
- Phone
- (207) 363-2406
- Enumerated
- Jun 26, 2006
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (207) 363-6037
- Entity
- Type 1 · individual
8 nearest general practice dentistry records → All 519 in Maine → Look up another NPI →
Also registered at 1060 US Route 1
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Patrick McGarry, D.M.D, F.A.G.DGeneral Practice Dentistry1689618258
Verify John Michael Spero in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Maine board licenses this profession
Search for license 3569Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
16% more Medicare Part D claims than the average general practice dentistry in 2024
96 Medicare Part D claims for 73 beneficiaries, against an average of 83 among the 70,290 providers of this specialty who prescribed in Part D.
Most prescribed
- Amoxicillin50 claims
- Penicillin V Potassium21 claims
- Azithromycin11 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.
John Michael Spero among 519 general practice dentistry records in Maine
John Michael Spero, D.M.D is one of 519 general practice dentistry records with a practice address in Maine. 55% 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 2% of them.
- NPI issued2006 · 2% of these records are older, 64% newer
- In a Medicare fileYes · 55% of these records are
- In the CMS Doctors and Clinicians fileNo · under 1% of these records are
- Record last updated2007 · 68% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 1223G0001X and a Maine practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
5 general practice dentistry records list a practice address in York
They are 5 of the 330 NPPES records with a practice address in York, and 519 general practice dentistry records in Maine.
All 519 in Maine → Every provider in York → General Practice Dentistry nationwide →
The 8 general practice dentistry records with the nearest ZIP codes
- Fredric Amidon, DMDYork, ME 039091942306246
- Patrick McGarry, D.M.D, F.A.G.DYork, ME 039091689618258
- Ryan Smith, DDSYork, ME 039091437768710
- Gregory Villa, DDSYork, ME 039091538226162
- Douglas Gray, DDSYork Harbor, ME 039111649288796
- Donald Hudson, DMDYork Harbor, ME 039111811046873
- Mason Barker, DMDKittery, ME 039041447811385
- Robert Bogard, DDSKittery, ME 039041558447623
Common questions
What is John Michael Spero, D.M.D's NPI number?
John Michael Spero, D.M.D's National Provider Identifier (NPI) is 1023045119, issued on Jun 26, 2006. An NPI identifies a provider in billing; it is not a license.
Where is John Michael Spero, D.M.D located?
The NPPES record lists a practice address at 1060 US Route 1, York, ME, 03909. Phone: (207) 363-2406. Providers update this record themselves, so call before visiting.
How can I verify John Michael Spero, D.M.D's license?
NPPES lists Maine license number 3569, as entered by the provider. Search the Maine board that licenses this profession; the NPPES record confirms identity only.
How much does John Michael Spero, D.M.D prescribe under Medicare Part D?
In 2024, John Michael Spero, D.M.D had 96 Medicare Part D claims for 73 beneficiaries; the average among general practice dentistry prescribers was 83. 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.