John Williams, MD
John Williams, MD is an allergy & immunology physician practicing in Denver, CO. The NPI was issued on February 16, 2007, and the record was last updated in NPPES on June 8, 2021.
This record hasn't been updated in NPPES since 2021. Details may be out of date.
Taxonomies and licenses
| Taxonomy | Code | License |
|---|---|---|
| Allergy & Immunology Physician Primary | 207K00000X | 28411 (CO) |
Practice location
Local context
Active NPPES records list 81 providers with allergy & immunology physician as the primary taxonomy within 25 miles of this practice location's ZIP code, 46 of them within 10 miles.
The same primary taxonomy is listed by 134 in Colorado and 5,559 nationwide.
These are counts from NPPES records, not a ranking or recommendation. Distances are measured between ZIP code centers, not street addresses.
Record history
- Name on record
- Dr. John Mark Williams
- Status
- Active
- NPI issued
- Last updated in NPPES
Is this your record? Updates are made through NPPES, the official National Plan and Provider Enumeration System.
NPPES data as of · Source: CMS NPPES
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curl -H "Authorization: Bearer YOUR_API_KEY" \ "https://api.npilayer.com/v1/providers/1467596189"