IndividualActive
Cynthia Byler, D.O.
NPI 1649373994 · Occupational Medicine Physician · Saint Louis, MO
Provider details
- NPI number
- 1649373994
- Entity type
- Individual
- Primary specialty
- Occupational Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- D.O.
- Sex
- Female
- Sole proprietor
- No
- License
- DO R1G13 (MO)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
Detailed profile(90/100 index)
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
1050 Old Des Peres Rd
Suite 100
Saint Louis, MO 63131-1873
Phone: (314) 569-0612
Fax: (314) 966-0664
Street-level locationGet directions
Mailing address
1050 Old Des Peres Rd
Saint Louis, MO 63131-1873
Registry dates
- Enumerated
- 2006-09-05
- Last updated
- 2012-10-25
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.