Leslie Bailey, M.D.
NPI 1255366613 · Internal Medicine Physician · Seattle, WA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Leslie Bailey, M.D. is a Internal Medicine Physician provider in Seattle, WA (NPI 1255366613).
Provider details
- NPI number
- 1255366613
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- No
- License
- 036-093255 (IL)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
19 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
465 Medicare services, 2024 (ranked within specialty)
Medicare volume is ranked against active providers in the same specialty. 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 does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 204 | $69 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 156 | $63 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 63 | $92 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 31 | $66 |
| Established Patient Office Or Other Outpatient Visit With Straightforward Medical Decision Making, If Using Time, 10 Minutes Or More99212 | 11 | $32 |
Typical Medicare-allowed amounts for these services range $32–$92 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 85 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 273 | 79 |
| Amlodipine Besylate | 183 | 54 |
| Levothyroxine Sodium | 175 | 51 |
| Losartan Potassium | 155 | 46 |
| Omeprazole | 154 | 42 |
| Gabapentin | 134 | 32 |
| Tramadol Hcl |
Practice location
Mailing address
Additional practice locations (1)
- 1635 Aurora CtAurora, CO 80045-2541Phone: (720) 848-0000
Registry dates
- Enumerated
- 2006-07-12
- Last updated
- 2022-05-20
- Certified
- 2022-05-20
Frequently asked questions
- What is Leslie Bailey's NPI number?
- Leslie Bailey's National Provider Identifier (NPI) is 1255366613, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Leslie Bailey's specialty?
- Leslie Bailey is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Leslie Bailey located?
- Leslie Bailey's practice location on file with NPPES is 509 Olive Way, Seattle, WA 98101-1720.
- What is Leslie Bailey's phone number?
- The practice phone number listed in the NPPES registry for Leslie Bailey is (206) 860-4413.
- Does Leslie Bailey accept Medicare?
- Leslie Bailey is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Leslie Bailey's NPI active?
- Yes — Leslie Bailey's NPI (1255366613) is active in the NPPES registry as of the last update on 2022-05-20.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.