What is Cynthia Boyd's NPI number?

Cynthia Boyd's National Provider Identifier (NPI) is 1235091174, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Cynthia Boyd's specialty?

Cynthia Boyd is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).

Where is Cynthia Boyd located?

Cynthia Boyd's practice location on file with NPPES is 600 S Paulina St Ste 403, Chicago, IL 60612-3806.

What is Cynthia Boyd's phone number?

The practice phone number listed in the NPPES registry for Cynthia Boyd is (312) 942-6915.

Is Cynthia Boyd's NPI active?

Yes — Cynthia Boyd's NPI (1235091174) is active in the NPPES registry as of the last update on 2025-12-01.

IndividualActive

Cynthia Boyd

NPI 1235091174 · Internal Medicine Physician · Chicago, IL

Cynthia Boyd is a Internal Medicine Physician provider in Chicago, IL (NPI 1235091174).

Provider details

NPI number: 1235091174
Entity type: Individual
Primary specialty: Internal Medicine PhysicianAllopathic & Osteopathic Physicians
Sex: Female
Sole proprietor: Yes
License: 036066378 (IL)

Specialties & taxonomies

Internal Medicine PhysicianPrimary207R00000XLicense 036066378 (IL)
Allopathic & Osteopathic Physicians

Profile Score

Established profile(53/100 index)

A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.

Registry tenure38% of score
Under 1 yr in 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

600 S Paulina St Ste 403

Chicago, IL 60612-3806

Phone: (312) 942-6915

Street-level locationGet directions

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Mailing address