R. Mark Williams MD Apmc
NPI 1912168014 · Otolaryngology Physician · Lake Charles, LA
R. Mark Williams MD Apmc is a Otolaryngology Physician organization in Lake Charles, LA (NPI 1912168014).
Provider details
- NPI number
- 1912168014
- Entity type
- Organization
- Primary specialty
- Otolaryngology PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- Roger Williams, Physician/Owner(337) 477-6172
- License
- 016891 (LA)
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
17 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
- 2008-06-20
- Last updated
- 2018-06-21
Frequently asked questions
- What is R. Mark Williams MD Apmc's NPI number?
- R. Mark Williams MD Apmc's National Provider Identifier (NPI) is 1912168014, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is R. Mark Williams MD Apmc?
- R. Mark Williams MD Apmc is classified in the NPPES registry as Otolaryngology Physician (Allopathic & Osteopathic Physicians).
- Where is R. Mark Williams MD Apmc located?
- R. Mark Williams MD Apmc's practice location on file with NPPES is 501 Dr Michael Debakey Dr, Lake Charles, LA 70601-5724.
- What is R. Mark Williams MD Apmc's phone number?
- The practice phone number listed in the NPPES registry for R. Mark Williams MD Apmc is (337) 477-6172.
- Who is the authorized official for R. Mark Williams MD Apmc?
- The authorized official listed on R. Mark Williams MD Apmc's NPPES record is Roger Williams, Physician/Owner. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is R. Mark Williams MD Apmc's NPI active?
- Yes — R. Mark Williams MD Apmc's NPI (1912168014) is active in the NPPES registry as of the last update on 2018-06-21.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.