Patel and Patel Ltd
NPI 1639299894 · Hematology & Oncology Physician · Chicago, IL
Patel and Patel Ltd is a Hematology & Oncology Physician organization in Chicago, IL (NPI 1639299894).
Provider details
- NPI number
- 1639299894
- Entity type
- Organization
- Primary specialty
- Hematology & Oncology PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- Ashok Patel, President(312) 951-8378
- License
- 036-044119 (IL)
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
- 2007-03-30
- Last updated
- 2011-12-29
Frequently asked questions
- What is Patel and Patel Ltd's NPI number?
- Patel and Patel Ltd's National Provider Identifier (NPI) is 1639299894, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Patel and Patel Ltd?
- Patel and Patel Ltd is classified in the NPPES registry as Hematology & Oncology Physician (Allopathic & Osteopathic Physicians).
- Where is Patel and Patel Ltd located?
- Patel and Patel Ltd's practice location on file with NPPES is 2800 N Sheridan Rd, Chicago, IL 60657-6156.
- What is Patel and Patel Ltd's phone number?
- The practice phone number listed in the NPPES registry for Patel and Patel Ltd is (773) 549-3683.
- Who is the authorized official for Patel and Patel Ltd?
- The authorized official listed on Patel and Patel Ltd's NPPES record is Ashok Patel, President. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Patel and Patel Ltd's NPI active?
- Yes — Patel and Patel Ltd's NPI (1639299894) is active in the NPPES registry as of the last update on 2011-12-29.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.