Dr. Calvin Zhao & Associates, Durham, P.A.
NPI 1689644163 · General Practice Dentistry · Durham, NC
Dr. Calvin Zhao & Associates, Durham, P.A. is a General Practice Dentistry organization in Durham, NC (NPI 1689644163).
Provider details
- NPI number
- 1689644163
- Entity type
- Organization
- Primary specialty
- General Practice DentistryDental Providers
- Parent organization
- Dental One Partners, Inc
- Organization subpart
- Yes
- Authorized official
- Rachel Nittinger, Manager, Credentialing(972) 755-0816
Specialties & taxonomies
Dental Providers
- Dentist122300000X
Dental Providers
- Endodontics1223E0200X
Dental Providers
- Pediatric Dentistry1223P0221X
Dental Providers
- Periodontics1223P0300X
Dental Providers
- Prosthodontics1223P0700X
Dental Providers
Dental Providers
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
- 2006-01-25
- Last updated
- 2017-12-19
Frequently asked questions
- What is Dr. Calvin Zhao & Associates, Durham, P.A.'s NPI number?
- Dr. Calvin Zhao & Associates, Durham, P.A.'s National Provider Identifier (NPI) is 1689644163, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Dr. Calvin Zhao & Associates, Durham, P.A.?
- Dr. Calvin Zhao & Associates, Durham, P.A. is classified in the NPPES registry as General Practice Dentistry (Dental Providers).
- Where is Dr. Calvin Zhao & Associates, Durham, P.A. located?
- Dr. Calvin Zhao & Associates, Durham, P.A.'s practice location on file with NPPES is 3600 North Duke Street, Durham, NC 27704-1769.
- What is Dr. Calvin Zhao & Associates, Durham, P.A.'s phone number?
- The practice phone number listed in the NPPES registry for Dr. Calvin Zhao & Associates, Durham, P.A. is (919) 471-3315.
- Who is the authorized official for Dr. Calvin Zhao & Associates, Durham, P.A.?
- The authorized official listed on Dr. Calvin Zhao & Associates, Durham, P.A.'s NPPES record is Rachel Nittinger, Manager, Credentialing. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Dr. Calvin Zhao & Associates, Durham, P.A.'s NPI active?
- Yes — Dr. Calvin Zhao & Associates, Durham, P.A.'s NPI (1689644163) is active in the NPPES registry as of the last update on 2017-12-19.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.