Llewelyn Crooks, M.D. F.A.C.O.G.
NPI 1861505646 · Obstetrics & Gynecology Physician · Sandy Spring, MD
Llewelyn Crooks, M.D. F.A.C.O.G. is a Obstetrics & Gynecology Physician provider in Sandy Spring, MD (NPI 1861505646).
Provider details
- NPI number
- 1861505646
- Entity type
- Individual
- Primary specialty
- Obstetrics & Gynecology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D. F.A.C.O.G.
- Sex
- Male
- Sole proprietor
- Yes
- License
- D0018300 (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
19 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
- 2006-08-16
- Last updated
- 2007-07-08
Frequently asked questions
- What is Llewelyn Crooks's NPI number?
- Llewelyn Crooks's National Provider Identifier (NPI) is 1861505646, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Llewelyn Crooks's specialty?
- Llewelyn Crooks is listed in the NPPES registry with a primary specialty of Obstetrics & Gynecology Physician (Allopathic & Osteopathic Physicians).
- Where is Llewelyn Crooks located?
- Llewelyn Crooks's practice location on file with NPPES is 18801 Celebrity Ln, Sandy Spring, MD 20860-1500.
- What is Llewelyn Crooks's phone number?
- The practice phone number listed in the NPPES registry for Llewelyn Crooks is (301) 924-4298.
- Is Llewelyn Crooks's NPI active?
- Yes — Llewelyn Crooks's NPI (1861505646) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.