Kristen Lopez, P.A.
NPI 1144220591 · Physician Assistant · Frederick, MD
Enrolled with Medicare as Practitioner - Physician Assistant · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Kristen Lopez, P.A. is a Physician Assistant provider in Frederick, MD (NPI 1144220591).
Provider details
- NPI number
- 1144220591
- Entity type
- Individual
- Primary specialty
- Physician AssistantPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- P.A.
- Sex
- Female
- Sole proprietor
- No
- License
- C03057 (MD)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
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
2 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
140 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) |
|---|---|---|
| Emergency Department Visit With High Level of Medical Decision Making99285 | 36 | $167 |
| Emergency Department Visit With Moderate Level of Medical Decision Making99284 | 26 | $116 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 17 | $163 |
| Emergency Department Visit With Low Level of Medical Decision Making99283 | 16 | $67 |
| Emergency Department Visit With Low Level of Medical Decision Making99283 | 16 | $67 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 15 |
Practice location
Mailing address
Additional practice locations (1)
- 11711 Livingston RdFort Washington, MD 20744-5151Phone: (301) 203-2250
Registry dates
- Enumerated
- 2005-07-28
- Last updated
- 2019-12-03
Frequently asked questions
- What is Kristen Lopez's NPI number?
- Kristen Lopez's National Provider Identifier (NPI) is 1144220591, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Kristen Lopez's specialty?
- Kristen Lopez is listed in the NPPES registry with a primary specialty of Physician Assistant (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Kristen Lopez located?
- Kristen Lopez's practice location on file with NPPES is 400 W 7th St, Frederick, MD 21701-4506.
- What is Kristen Lopez's phone number?
- The practice phone number listed in the NPPES registry for Kristen Lopez is (240) 566-3300.
- Does Kristen Lopez accept Medicare?
- Kristen Lopez is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Kristen Lopez's NPI active?
- Yes — Kristen Lopez's NPI (1144220591) is active in the NPPES registry as of the last update on 2019-12-03.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.