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Antonietta Castanares, MD
NPI 1982698122 · Nephrology Physician · Portsmouth, VA
Antonietta Castanares, MD is a Nephrology Physician provider in Portsmouth, VA (NPI 1982698122).
Provider details
- NPI number
- 1982698122
- Entity type
- Individual
- Primary specialty
- Nephrology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- 010156999 (VA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
Detailed profile(91/100 index)
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
3235 Academy Ave
Suite 301
Portsmouth, VA 23703-3200
Phone: (757) 484-9400
Fax: (757) 484-8809
Street-level locationGet directions
Mailing address
3235 Academy Ave
Portsmouth, VA 23703-3200
Registry dates
- Enumerated
- 2005-09-02
- Last updated
- 2020-05-11
- Certified
- 2020-05-11
Frequently asked questions
- What is Antonietta Castanares's NPI number?
- Antonietta Castanares's National Provider Identifier (NPI) is 1982698122, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Antonietta Castanares's specialty?
- Antonietta Castanares is listed in the NPPES registry with a primary specialty of Nephrology Physician (Allopathic & Osteopathic Physicians).
- Where is Antonietta Castanares located?
- Antonietta Castanares's practice location on file with NPPES is 3235 Academy Ave, Portsmouth, VA 23703-3200.
- What is Antonietta Castanares's phone number?
- The practice phone number listed in the NPPES registry for Antonietta Castanares is (757) 484-9400.
- Is Antonietta Castanares's NPI active?
- Yes — Antonietta Castanares's NPI (1982698122) is active in the NPPES registry as of the last update on 2020-05-11.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.