Peter Shay Johnston, MD
Orthopaedic Surgery Physician · Leonardtown, MD
Peter Shay Johnston, MD is an orthopaedic surgery physician with a practice address in Leonardtown, Maryland, and NPI 1194946095, issued on May 1, 2007. Check the license (Maryland D0072342, as entered in NPPES) on the Maryland Board of Physicians; the Medicare figures below come from public CMS files.
- Name
- Peter Shay Johnston
- Credential
- MD
- Primary taxonomy
- Orthopaedic Surgery Physician 207X00000X
- License number
- D0072342 MD
Self-reported in NPPES; status is on the state search - Practice location
- 23000 Moakley Street, Leonardtown, MD 20650
- Phone
- (301) 475-5555
- Enumerated
- May 1, 2007
- Record last updated
- May 9, 2013 (not updated in 13 years: call before relying on the address or phone)
- Fax
- (301) 475-8535
- Medicare enrollment
- Enrolled (PECOS I20110921000132); accepts Medicare assignment
- Medical or professional school
- Wayne State University School Of Medicine, 2005
- Entity
- Type 1 · individual
8 nearest orthopaedic surgery physician records → All 457 in Maryland → Look up another NPI →
Also registered at 23000 Moakley Street
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Elizabeth Forrest, M.D.Physical Medicine & Rehabilitation Physician1184685588
- Patricia Turner, M.D.Orthopaedic Surgery Physician1598739435
Verify Peter Shay Johnston in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMaryland Board of Physicians
Search for license D0072342Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
82% fewer Medicare Part D claims than the average orthopaedic surgery physician in 2024
64 Medicare Part D claims for 40 beneficiaries, against an average of 346 among the 16,516 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims.
Most prescribed
- Methylprednisolone15 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: $216,566.13
28 payments; by number, the most common kind was food and beverage; the largest payer was Shoulder Innovations, Inc. The 15,003 providers of this specialty with any payment received $23,022.89 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
- Centers For Advanced Orthopaedics LLCLeonardtown, MD
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Peter Shay Johnston among 457 orthopaedic surgery physician records in Maryland
Peter Shay Johnston, MD is one of 457 orthopaedic surgery physician records with a practice address in Maryland. 79% 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 56% of them.
- NPI issued2007 · 56% of these records are older, 35% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 65% of these records are
- Graduated2005 · median 2002 among the 299 with a school on file
- Record last updated2013 · 61% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207X00000X and a Maryland practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
6 orthopaedic surgery physician records list a practice address in Leonardtown
They are 6 of the 471 NPPES records with a practice address in Leonardtown, and 457 orthopaedic surgery physician records in Maryland.
All 457 in Maryland → Every provider in Leonardtown → Orthopaedic Surgery Physician nationwide →
The 8 orthopaedic surgery physician records with the nearest ZIP codes
- Colleen Balkam, M.D.Leonardtown, MD 206501437685492
- Daniel Bauk, MDLeonardtown, MD 206501952387730
- Lloyd Cox, MDLeonardtown, MD 206501841276623
- Mark Henderson, MDLeonardtown, MD 206501902883762
- Patricia Turner, M.D.Leonardtown, MD 206501598739435
- Gregg Ferrero, M.D.La Plata, MD 206461629033592
- Peter Trent, MDLa Plata, MD 206461871598110
- Dennis Bullock, CERTIFIDE SURGICAL ALusby, MD 206571770050296
Common questions
What is Peter Shay Johnston, MD's NPI number?
Peter Shay Johnston, MD's National Provider Identifier (NPI) is 1194946095, issued on May 1, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Peter Shay Johnston, MD located?
The NPPES record lists a practice address at 23000 Moakley Street, Leonardtown, MD, 20650. Phone: (301) 475-5555. Providers update this record themselves, so call before visiting.
How can I verify Peter Shay Johnston, MD's license?
NPPES lists Maryland license number D0072342, 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 Peter Shay Johnston, MD prescribe under Medicare Part D?
In 2024, Peter Shay Johnston, MD had 64 Medicare Part D claims for 40 beneficiaries; the average among orthopaedic surgery physician prescribers was 346. 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.