David K Calderwood MD PC
NPI 1821331562 · Family Medicine Physician · Huntsville, AL
David K Calderwood MD PC is a Family Medicine Physician organization in Huntsville, AL (NPI 1821331562).
Provider details
- NPI number
- 1821331562
- Entity type
- Organization
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- David Calderwood, MD(256) 535-5940
- License
- 10438 (AL)
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
13 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
- 2013-04-01
- Last updated
- 2013-07-01
Frequently asked questions
- What is David K Calderwood MD PC's NPI number?
- David K Calderwood MD PC's National Provider Identifier (NPI) is 1821331562, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is David K Calderwood MD PC?
- David K Calderwood MD PC is classified in the NPPES registry as Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is David K Calderwood MD PC located?
- David K Calderwood MD PC's practice location on file with NPPES is 420 Lowell Dr Se, Huntsville, AL 35801-3754.
- What is David K Calderwood MD PC's phone number?
- The practice phone number listed in the NPPES registry for David K Calderwood MD PC is (256) 535-5944.
- Who is the authorized official for David K Calderwood MD PC?
- The authorized official listed on David K Calderwood MD PC's NPPES record is David Calderwood, MD. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is David K Calderwood MD PC's NPI active?
- Yes — David K Calderwood MD PC's NPI (1821331562) is active in the NPPES registry as of the last update on 2013-07-01.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.