Mary Warfield, M.D.
NPI 1154518439 · Internal Medicine Physician · Gaithersburg, MD
Mary Warfield, M.D. is a Internal Medicine Physician provider in Gaithersburg, MD (NPI 1154518439).
Provider details
- NPI number
- 1154518439
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- No
- License
- 14200 (DC)
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
18 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
- 2007-10-01
- Last updated
- 2012-09-18
Frequently asked questions
- What is Mary Warfield's NPI number?
- Mary Warfield's National Provider Identifier (NPI) is 1154518439, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mary Warfield's specialty?
- Mary Warfield is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Mary Warfield located?
- Mary Warfield's practice location on file with NPPES is 803 Russell Ave, Gaithersburg, MD 20879-3584.
- What is Mary Warfield's phone number?
- The practice phone number listed in the NPPES registry for Mary Warfield is (301) 869-0700.
- Is Mary Warfield's NPI active?
- Yes — Mary Warfield's NPI (1154518439) is active in the NPPES registry as of the last update on 2012-09-18.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.