Tonnie Markley, MD
NPI 1689768251 · Psychiatry Physician · White Plains, NY
Enrolled with Medicare as Order and Referring Only - Psychiatry · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Tonnie Markley, MD is a Psychiatry Physician provider in White Plains, NY (NPI 1689768251).
Provider details
- NPI number
- 1689768251
- Entity type
- Individual
- Primary specialty
- Psychiatry PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- Yes
- License
- 235780 (NY)
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
- 2006-10-03
- Last updated
- 2007-07-12
Frequently asked questions
- What is Tonnie Markley's NPI number?
- Tonnie Markley's National Provider Identifier (NPI) is 1689768251, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Tonnie Markley's specialty?
- Tonnie Markley is listed in the NPPES registry with a primary specialty of Psychiatry Physician (Allopathic & Osteopathic Physicians).
- Where is Tonnie Markley located?
- Tonnie Markley's practice location on file with NPPES is 21 Bloomingdale Road, White Plains, NY 10605.
- What is Tonnie Markley's phone number?
- The practice phone number listed in the NPPES registry for Tonnie Markley is (914) 997-5766.
- Does Tonnie Markley accept Medicare?
- Tonnie Markley is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Tonnie Markley's NPI active?
- Yes — Tonnie Markley's NPI (1689768251) is active in the NPPES registry as of the last update on 2007-07-12.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.