Patrick Shanahan, M.D.
NPI 1275512253 · Family Medicine Physician · Chestertown, MD
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Patrick Shanahan, M.D. is a Family Medicine Physician provider in Chestertown, MD (NPI 1275512253).
Provider details
- NPI number
- 1275512253
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- D0036054 (MD)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
20 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
2,712 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 2,154 | $93 |
| Administration of Influenza Virus VaccineG0008 | 230 | $26 |
| Injection of Drug Or Substance Under Skin Or Into Muscle96372 | 97 | $14 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 49 | $104 |
| Annual Alcohol Misuse Screening, 5 to 15 MinutesG0442 | 29 | $19 |
| Urinalysis, Manual Test81002 | 22 | $3 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 122 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Levothyroxine Sodium | 541 | 150 |
| Amlodipine Besylate | 535 | 161 |
| Losartan Potassium | 535 | 148 |
| Simvastatin | 404 | 114 |
| Atorvastatin Calcium | 404 | 117 |
| Lisinopril | 292 | 83 |
| Metoprolol Succinate |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$810 across 43 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-01-10
- Last updated
- 2019-03-28
Frequently asked questions
- What is Patrick Shanahan's NPI number?
- Patrick Shanahan's National Provider Identifier (NPI) is 1275512253, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Patrick Shanahan's specialty?
- Patrick Shanahan is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Patrick Shanahan located?
- Patrick Shanahan's practice location on file with NPPES is 120 Speer Rd, Chestertown, MD 21620-1044.
- What is Patrick Shanahan's phone number?
- The practice phone number listed in the NPPES registry for Patrick Shanahan is (410) 778-9300.
- Does Patrick Shanahan accept Medicare?
- Patrick Shanahan is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Patrick Shanahan's NPI active?
- Yes — Patrick Shanahan's NPI (1275512253) is active in the NPPES registry as of the last update on 2019-03-28.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.