John Herrod, MD
NPI 1821022484 · Internal Medicine Physician · Sierra Vista, AZ
John Herrod, MD is a Internal Medicine Physician provider in Sierra Vista, AZ (NPI 1821022484).
Provider details
- NPI number
- 1821022484
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 23116 (AZ)
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
19 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
- 2006-07-10
- Last updated
- 2012-08-14
Frequently asked questions
- What is John Herrod's NPI number?
- John Herrod's National Provider Identifier (NPI) is 1821022484, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John Herrod's specialty?
- John Herrod is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is John Herrod located?
- John Herrod's practice location on file with NPPES is 286 S Lenzner Ave, Sierra Vista, AZ 85635-5685.
- What is John Herrod's phone number?
- The practice phone number listed in the NPPES registry for John Herrod is (520) 452-0388.
- Is John Herrod's NPI active?
- Yes — John Herrod's NPI (1821022484) is active in the NPPES registry as of the last update on 2012-08-14.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.