William a Collazo, M.D., F.a.c.c.
NPI 1538342654 · Cardiovascular Disease Physician · Oklahoma City, OK
Enrolled with Medicare as Part B Supplier - Clinic/Group Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
William a Collazo, M.D., F.a.c.c. is a Cardiovascular Disease Physician organization in Oklahoma City, OK (NPI 1538342654).
Provider details
- NPI number
- 1538342654
- Entity type
- Organization
- Primary specialty
- Cardiovascular Disease PhysicianAllopathic & Osteopathic Physicians
- Parent organization
- William a Collazo, M.D., F.a.c.c.
- Organization subpart
- Yes
- Authorized official
- William Collazo, President/Owner(405) 546-7699
- License
- 17633 (OK)
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
18 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
Other names (DBA / former)
- Doing business as
- Cardiovascular Care of Oklahoma
- Doing business as
- Cardiovascular Care of Oklahoma
Registry dates
- Enumerated
- 2007-12-12
- Last updated
- 2021-01-27
- Certified
- 2021-01-27
Frequently asked questions
- What is William a Collazo, M.D., F.a.c.c.'s NPI number?
- William a Collazo, M.D., F.a.c.c.'s National Provider Identifier (NPI) is 1538342654, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is William a Collazo, M.D., F.a.c.c.?
- William a Collazo, M.D., F.a.c.c. is classified in the NPPES registry as Cardiovascular Disease Physician (Allopathic & Osteopathic Physicians).
- Where is William a Collazo, M.D., F.a.c.c. located?
- William a Collazo, M.D., F.a.c.c.'s practice location on file with NPPES is 1211 N Shartel Ave Ste 1006, Oklahoma City, OK 73103-2433.
- What is William a Collazo, M.D., F.a.c.c.'s phone number?
- The practice phone number listed in the NPPES registry for William a Collazo, M.D., F.a.c.c. is (405) 546-7699.
- Does William a Collazo, M.D., F.a.c.c. accept Medicare?
- William a Collazo, M.D., F.a.c.c. is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Who is the authorized official for William a Collazo, M.D., F.a.c.c.?
- The authorized official listed on William a Collazo, M.D., F.a.c.c.'s NPPES record is William Collazo, President/Owner. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is William a Collazo, M.D., F.a.c.c.'s NPI active?
- Yes — William a Collazo, M.D., F.a.c.c.'s NPI (1538342654) is active in the NPPES registry as of the last update on 2021-01-27.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.