Alan D Johnson MD Ltd
NPI 1851381966 · Obstetrics & Gynecology Physician · Hoffman Estates, IL
Alan D Johnson MD Ltd is a Obstetrics & Gynecology Physician organization in Hoffman Estates, IL (NPI 1851381966).
Provider details
- NPI number
- 1851381966
- Entity type
- Organization
- Primary specialty
- Obstetrics & Gynecology PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- Alan Johnson, Owner/Physician(847) 884-2002
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
- 2005-10-28
- Last updated
- 2022-07-21
Frequently asked questions
- What is Alan D Johnson MD Ltd's NPI number?
- Alan D Johnson MD Ltd's National Provider Identifier (NPI) is 1851381966, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Alan D Johnson MD Ltd?
- Alan D Johnson MD Ltd is classified in the NPPES registry as Obstetrics & Gynecology Physician (Allopathic & Osteopathic Physicians).
- Where is Alan D Johnson MD Ltd located?
- Alan D Johnson MD Ltd's practice location on file with NPPES is 2500 W Higgins Rd, Hoffman Estates, IL 60169-7280.
- What is Alan D Johnson MD Ltd's phone number?
- The practice phone number listed in the NPPES registry for Alan D Johnson MD Ltd is (847) 884-2002.
- Who is the authorized official for Alan D Johnson MD Ltd?
- The authorized official listed on Alan D Johnson MD Ltd's NPPES record is Alan Johnson, Owner/Physician. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Alan D Johnson MD Ltd's NPI active?
- Yes — Alan D Johnson MD Ltd's NPI (1851381966) is active in the NPPES registry as of the last update on 2022-07-21.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.