John Patterson, M.D.
NPI 1174504997 · Cardiovascular Disease Physician · Clinton, MD
Enrolled with Medicare as Practitioner - Cardiovascular Disease (cardiology) · source: CMS PECOS Public Provider Enrollment (2026.04.01)
John Patterson, M.D. is a Cardiovascular Disease Physician provider in Clinton, MD (NPI 1174504997).
Provider details
- NPI number
- 1174504997
- Entity type
- Individual
- Primary specialty
- Cardiovascular Disease PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- D19633 (MD)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
20 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
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 methodology.
Practice location
Mailing address
Registry dates
- Enumerated
- 2005-11-09
- Last updated
- 2013-08-26
Frequently asked questions
- What is John Patterson's NPI number?
- John Patterson's National Provider Identifier (NPI) is 1174504997, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John Patterson's specialty?
- John Patterson is listed in the NPPES registry with a primary specialty of Cardiovascular Disease Physician (Allopathic & Osteopathic Physicians).
- Where is John Patterson located?
- John Patterson's practice location on file with NPPES is 7501 Surratts Road, Clinton, MD 20735-3358.
- What is John Patterson's phone number?
- The practice phone number listed in the NPPES registry for John Patterson is (301) 586-5900.
- Does John Patterson accept Medicare?
- John Patterson is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is John Patterson's NPI active?
- Yes — John Patterson's NPI (1174504997) is active in the NPPES registry as of the last update on 2013-08-26.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.