Thomas Essex, D.O.
NPI 1689603151 · Internal Medicine Physician · Chickasha, OK
Thomas Essex, D.O. is a Internal Medicine Physician provider in Chickasha, OK (NPI 1689603151).
Provider details
- NPI number
- 1689603151
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- D.O.
- Sex
- Male
- Sole proprietor
- No
- License
- 3086 (OK)
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
20 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
4 documented practice locations
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.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 40 distinct drugs on file.
| Drug | Part D claims (2024) |
|---|---|
| Lisinopril | 39 |
| Potassium Chloride | 39 |
| Clonidine Hcl | 36 |
| Lamotrigine | 31 |
| Levothyroxine Sodium | 31 |
| Escitalopram Oxalate | 31 |
| Risperidone | 30 |
| Chlorhexidine Gluconate | 28 |
| Atorvastatin Calcium | 27 |
| Furosemide | 27 |
Practice location
Mailing address
Additional practice locations (3)
- 530 N Ridge Rd Ste BWichita, KS 67212-6576Phone: (316) 616-1055Fax: (855) 633-0585
- 2220 W Iowa AveChickasha, OK 73018-2738Phone: (405) 779-2721Fax: (405) 779-2310
- 2220 W Iowa AveChickasha, OK 73018-2738Phone: (405) 779-2721Fax: (405) 779-2310
Registry dates
- Enumerated
- 2006-06-30
- Last updated
- 2020-02-18
- Certified
- 2020-02-18
Frequently asked questions
- What is Thomas Essex's NPI number?
- Thomas Essex's National Provider Identifier (NPI) is 1689603151, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Thomas Essex's specialty?
- Thomas Essex is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Thomas Essex located?
- Thomas Essex's practice location on file with NPPES is 304 S 29th St, Chickasha, OK 73018.
- What is Thomas Essex's phone number?
- The practice phone number listed in the NPPES registry for Thomas Essex is (405) 896-8058.
- Is Thomas Essex's NPI active?
- Yes — Thomas Essex's NPI (1689603151) is active in the NPPES registry as of the last update on 2020-02-18.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.