Calvin Zen, M. D.
NPI 1174851174 · Obstetrics & Gynecology Physician · Lakewood, CO
Calvin Zen, M. D. is a Obstetrics & Gynecology Physician provider in Lakewood, CO (NPI 1174851174).
Provider details
- NPI number
- 1174851174
- Entity type
- Individual
- Primary specialty
- Obstetrics & Gynecology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M. D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- 15285 (CO)
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
16 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
- 2009-12-02
- Last updated
- 2009-12-02
Frequently asked questions
- What is Calvin Zen's NPI number?
- Calvin Zen's National Provider Identifier (NPI) is 1174851174, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Calvin Zen's specialty?
- Calvin Zen is listed in the NPPES registry with a primary specialty of Obstetrics & Gynecology Physician (Allopathic & Osteopathic Physicians).
- Where is Calvin Zen located?
- Calvin Zen's practice location on file with NPPES is 198 Union Blvd Ste 100, Lakewood, CO 80228-1811.
- What is Calvin Zen's phone number?
- The practice phone number listed in the NPPES registry for Calvin Zen is (303) 980-5676.
- Is Calvin Zen's NPI active?
- Yes — Calvin Zen's NPI (1174851174) is active in the NPPES registry as of the last update on 2009-12-02.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.