Patrick Joseph Shanahan, M.D.
Family Medicine Physician · Chestertown, MD
Patrick Joseph Shanahan, M.D. is a family medicine physician with a practice address in Chestertown, Maryland, and NPI 1275512253, issued on Jan 10, 2006. Check the license (Maryland D0036054, as entered in NPPES) on the Maryland Board of Physicians; the Medicare figures below come from public CMS files.
- Name
- Patrick Joseph Shanahan
- Credential
- M.D.
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- D0036054 MD
Self-reported in NPPES; status is on the state search - Practice location
- 120 Speer RD, Chestertown, MD 21620
- Phone
- (410) 778-9300
- Enumerated
- Jan 10, 2006
- Record last updated
- Mar 28, 2019 (not updated in 7 years: call before relying on the address or phone)
- Fax
- (410) 778-9579
- Medicaid ID
- 545541300 MD
- Medicare enrollment
- Enrolled (PECOS I20100826000604); accepts Medicare assignment
- Medical or professional school
- University Of Virginia School Of Medicine, 1986
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 1,912 in Maryland → Look up another NPI →
Also registered at 120 Speer RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Joseph Aquilla, M.D.Ophthalmology Physician1437246170
- Andrew Ferguson, M.D.Family Medicine Physician1427037415
Verify Patrick Joseph Shanahan in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMaryland Board of Physicians
Search for license D0036054Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2.7 times the Medicare Part D claims of the average family medicine physician in 2024
9,500 Medicare Part D claims for 728 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 10% of claims. 168 claims were for opioids.
Most prescribed
- Levothyroxine Sodium541 claims
- Amlodipine Besylate535 claims
- Losartan Potassium535 claims
- Atorvastatin Calcium404 claims
- Simvastatin404 claims
- Lisinopril292 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 MIPS final score for 2023 (Medicare payment program): 93.1 of 100
The Merit-based Incentive Payment System score is reported for this clinician. 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; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $810.18
43 payments; by number, the most common kind was food and beverage; the largest payer was Astellas Pharma US Inc. The 55,478 providers of this specialty with any payment received $902.55 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
- Drs Shanahan And Ferguson PCChestertown, MD
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Patrick Joseph Shanahan among 1,912 family medicine physician records in Maryland
Patrick Joseph Shanahan, M.D. is one of 1,912 family medicine physician records with a practice address in Maryland. 73% 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 13% of them.
- NPI issued2006 · 13% of these records are older, 54% newer
- In a Medicare fileYes · 73% of these records are
- In the CMS Doctors and Clinicians fileYes · 60% of these records are
- Graduated1986 · median 2004 among the 1,141 with a school on file
- Record last updated2019 · 58% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a Maryland practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
7 family medicine physician records list a practice address in Chestertown
They are 7 of the 229 NPPES records with a practice address in Chestertown, and 1,912 family medicine physician records in Maryland.
All 1,912 in Maryland → Every provider in Chestertown → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Wayne Benjamin, MDChestertown, MD 216201992761472
- Caleb Consenstein, MDChestertown, MD 216201801325444
- Frederick Delboy, MDChestertown, MD 216201245299932
- Andrew Ferguson, M.D.Chestertown, MD 216201427037415
- Gerard O'Connor, M.D.Chestertown, MD 216201609879873
- Susan Ross, M.D.Chestertown, MD 216201417950080
- Richard Brown, MDChester, MD 216191487986287
- Leo Cherrick, M. D.Chester, MD 216191437209111
Common questions
What is Patrick Joseph Shanahan, M.D.'s NPI number?
Patrick Joseph Shanahan, M.D.'s National Provider Identifier (NPI) is 1275512253, issued on Jan 10, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Patrick Joseph Shanahan, M.D. located?
The NPPES record lists a practice address at 120 Speer RD, Chestertown, MD, 21620. Phone: (410) 778-9300. Providers update this record themselves, so call before visiting.
How can I verify Patrick Joseph Shanahan, M.D.'s license?
NPPES lists Maryland license number D0036054, 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 Patrick Joseph Shanahan, M.D. prescribe under Medicare Part D?
In 2024, Patrick Joseph Shanahan, M.D. had 9,500 Medicare Part D claims for 728 beneficiaries; the average among family medicine physician prescribers was 3,544. Part D covers Medicare prescriptions only.
What is Patrick Joseph Shanahan, M.D.'s MIPS final score?
The 2023 MIPS final score is 93.1 of 100. 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.