Yvette Lopez-Warren, M.D.
NPI 1164492419 · Family Medicine Physician · Frederick, MD
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Yvette Lopez-Warren, M.D. is a Family Medicine Physician provider in Frederick, MD (NPI 1164492419).
Provider details
- NPI number
- 1164492419
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- No
- License
- D0058726 (MD)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
20 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
1,807 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) |
|---|---|---|
| Visit Complexity Inherent to Evaluation and Management Associated With Medical Care Services That Serve As the Continuing Focal Point for All Needed Health Care Services And/Or With Medical Care Services That Are Part of Ongoing Care Related to a Patient'SG2211 | 536 | $16 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 460 | $98 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 252 | $130 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 204 | $76 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 173 | $129 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 114 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Levothyroxine Sodium | 271 | 57 |
| Atorvastatin Calcium | 221 | 59 |
| Lisinopril | 209 | 54 |
| Amlodipine Besylate | 156 | 31 |
| Metformin Hcl | 136 | 40 |
| Rosuvastatin Calcium | 128 | 39 |
| Pantoprazole Sodium |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-01-26
- Last updated
- 2019-07-30
Frequently asked questions
- What is Yvette Lopez-Warren's NPI number?
- Yvette Lopez-Warren's National Provider Identifier (NPI) is 1164492419, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Yvette Lopez-Warren's specialty?
- Yvette Lopez-Warren is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Yvette Lopez-Warren located?
- Yvette Lopez-Warren's practice location on file with NPPES is 1564 Opossumtown Pike, Frederick, MD 21702-4359.
- What is Yvette Lopez-Warren's phone number?
- The practice phone number listed in the NPPES registry for Yvette Lopez-Warren is (301) 663-3137.
- Does Yvette Lopez-Warren accept Medicare?
- Yvette Lopez-Warren is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Yvette Lopez-Warren's NPI active?
- Yes — Yvette Lopez-Warren's NPI (1164492419) is active in the NPPES registry as of the last update on 2019-07-30.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.