Stephen Paul D'Addario, MD
Internal Medicine Physician · St Clair Shores, MI
Stephen Paul D'Addario, MD is an internal medicine physician with a practice address in St Clair Shores, Michigan, and NPI 1821006784, issued on Aug 4, 2006. Check the license (Michigan 4301049083, as entered in NPPES) on the Michigan Board of Medicine (LARA); the Medicare figures below come from public CMS files.
- Name
- Stephen Paul D'Addario
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 4301049083 MI
Self-reported in NPPES; status is on the state search - Practice location
- 28315 Harper Avenue, St Clair Shores, MI 48081
- Phone
- (586) 552-1710
- Enumerated
- Aug 4, 2006
- Record last updated
- Dec 10, 2009 (not updated in 17 years: call before relying on the address or phone)
- Fax
- (586) 552-1715
- Medicaid ID
- 4422545 MI
- Entity
- Type 1 · individual
Also registered at 28315 Harper Avenue
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Eric Neisch, MDInternal Medicine Physician1225046477
Verify Stephen Paul D'Addario in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMichigan Board of Medicine (LARA)
Search for license 4301049083Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
96% fewer Medicare Part D claims than the average internal medicine physician in 2024
129 Medicare Part D claims for 39 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D.
Most prescribed
- Rosuvastatin Calcium20 claims
- Amlodipine Besylate14 claims
- Atorvastatin Calcium12 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.
Industry payments in 2024: $20.34
1 payment: food and beverage; the largest payer was Pfizer Inc. The 50,334 providers of this specialty with any payment received $1,303.06 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.
12 internal medicine physician records list a practice address in St Clair Shores
They are 12 of the 164 NPPES records with a practice address in St Clair Shores, and 5,735 internal medicine physician records in Michigan.
All 12 in St Clair Shores → All 5,735 in Michigan → Every provider in St Clair Shores →
Other internal medicine physician records in Michigan
- Jamie Therese Abad, MDDetroit, MI1700573359
- Tomas Abalo, M.D.Iron Mountain, MI1336199975
- Ali Abbas, M.D.Pontiac, MI1972167526
- Sura Abbas, MDWarren, MI1801687405
- Ramzi Abbasi, MDSaginaw, MI1164270005
- Saadat Abbasi, MDKalamazoo, MI1912005596
- Shahzaman Abbasi, MDLansing, MI1376512111
- Youssef Abbiss, D.O.Mount Clemens, MI1982991881
- Valerie Abbott, MDSouthfield, MI1740289487
- Samer Abboud, MDSaginaw, MI1245804178
Common questions
What is Stephen Paul D'Addario, MD's NPI number?
Stephen Paul D'Addario, MD's National Provider Identifier (NPI) is 1821006784, issued on Aug 4, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Stephen Paul D'Addario, MD located?
The NPPES record lists a practice address at 28315 Harper Avenue, St Clair Shores, MI, 48081. Phone: (586) 552-1710. Providers update this record themselves, so call before visiting.
How can I verify Stephen Paul D'Addario, MD's license?
NPPES lists Michigan license number 4301049083, as entered by the provider. Search the Michigan Board of Medicine (LARA) at https://aca-prod.accela.com/MILARA/GeneralProperty/PropertyLookUp.aspx?isLicensee=Y&TabName=APO. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Stephen Paul D'Addario, MD prescribe under Medicare Part D?
In 2024, Stephen Paul D'Addario, MD had 129 Medicare Part D claims for 39 beneficiaries; the average among internal medicine physician prescribers was 3,176. 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.