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Robert Fields, M.D.
NPI 1578563292 · Internal Medicine Physician · Olney, MD
Robert Fields, M.D. is a Internal Medicine Physician provider in Olney, MD (NPI 1578563292).
Provider details
- NPI number
- 1578563292
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- D0034740 (MD)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
Detailed profile(91/100 index)
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
18109 Prince Philip Dr
Suite 200
Olney, MD 20832-1519
Phone: (301) 774-7115
Fax: (301) 570-6662
Street-level locationGet directions
Mailing address
18109 Prince Philip Dr Ste 200
Olney, MD 20832-1524
Registry dates
- Enumerated
- 2005-07-22
- Last updated
- 2010-03-26
Frequently asked questions
- What is Robert Fields's NPI number?
- Robert Fields's National Provider Identifier (NPI) is 1578563292, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Robert Fields's specialty?
- Robert Fields is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Robert Fields located?
- Robert Fields's practice location on file with NPPES is 18109 Prince Philip Dr, Olney, MD 20832-1519.
- What is Robert Fields's phone number?
- The practice phone number listed in the NPPES registry for Robert Fields is (301) 774-7115.
- Is Robert Fields's NPI active?
- Yes — Robert Fields's NPI (1578563292) is active in the NPPES registry as of the last update on 2010-03-26.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.