Maria Lemus, FNP
NPI 1912533860 · Family Nurse Practitioner · Bell, CA
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Maria Lemus, FNP is a Family Nurse Practitioner provider in Bell, CA (NPI 1912533860).
Provider details
- NPI number
- 1912533860
- Entity type
- Individual
- Primary specialty
- Family Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- FNP
- Sex
- Female
- Sole proprietor
- No
- License
- 95014244 (CA)
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 tenure25% of score
6 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
344 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
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 .
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 | 152 | $118 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 107 | $84 |
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 85 | $9 |
Typical Medicare-allowed amounts for these services range $9–$118 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote 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 · 82 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 384 | 126 |
| Metformin Hcl | 325 | 122 |
| Losartan Potassium | 306 | 105 |
| Amlodipine Besylate | 223 | 72 |
| Losartan/Hydrochlorothiazidebrand: Losartan-Hydrochlorothiazide | 222 | 84 |
| Levothyroxine Sodium | 193 | 68 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$102 across 4 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2020-03-22
- Last updated
- 2022-02-23
- Certified
- 2022-02-23
Frequently asked questions
- What is Maria Lemus's NPI number?
- Maria Lemus's National Provider Identifier (NPI) is 1912533860, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Maria Lemus's specialty?
- Maria Lemus is listed in the NPPES registry with a primary specialty of Family Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Maria Lemus located?
- Maria Lemus's practice location on file with NPPES is 6513 Atlantic Ave, Bell, CA 90201-2521.
- What is Maria Lemus's phone number?
- The practice phone number listed in the NPPES registry for Maria Lemus is (323) 581-1649.
- Does Maria Lemus accept Medicare?
- Maria Lemus is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Maria Lemus's NPI active?
- Yes — Maria Lemus's NPI (1912533860) is active in the NPPES registry as of the last update on 2022-02-23.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.