Martha Guzman, APRN, FNP-BC, FNP-C
NPI 1538875059 · Family Nurse Practitioner · Lindsay, CA
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Martha Guzman, APRN, FNP-BC, FNP-C is a Family Nurse Practitioner provider in Lindsay, CA (NPI 1538875059).
Provider details
- NPI number
- 1538875059
- Entity type
- Individual
- Primary specialty
- Family Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- APRN, FNP-BC, FNP-C
- Sex
- Female
- Sole proprietor
- No
- License
- 95024049 (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
3 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
257 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 | 164 | $110 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 40 | $78 |
| Injection of Drug Or Substance Under Skin Or Into Muscle96372 | 23 | $13 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 18 | $112 |
| Annual Depression Screening, 5 to 15 MinutesG0444 | 12 | $17 |
Typical Medicare-allowed amounts for these services range $13–$112 (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 · 71 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 167 | 61 |
| Lisinopril | 128 | 40 |
| Metformin Hcl | 114 | 36 |
| Amlodipine Besylate | 106 | 38 |
| Omeprazole | 71 | 29 |
| Albuterol Sulfatebrand: Albuterol Sulfate Hfa | 58 | 24 |
| Azithromycin |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$793 across 20 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
Additional practice locations (1)
- 222 W Henderson AvePorterville, CA 93257-1731Phone: (559) 784-5483
Registry dates
- Enumerated
- 2023-01-27
- Last updated
- 2023-02-15
- Certified
- 2023-02-15
Frequently asked questions
- What is Martha Guzman's NPI number?
- Martha Guzman's National Provider Identifier (NPI) is 1538875059, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Martha Guzman's specialty?
- Martha Guzman is listed in the NPPES registry with a primary specialty of Family Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Martha Guzman located?
- Martha Guzman's practice location on file with NPPES is 833 Sequoia Ave, Lindsay, CA 93247-1424.
- What is Martha Guzman's phone number?
- The practice phone number listed in the NPPES registry for Martha Guzman is (559) 562-1361.
- Does Martha Guzman accept Medicare?
- Martha Guzman is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Martha Guzman's NPI active?
- Yes — Martha Guzman's NPI (1538875059) is active in the NPPES registry as of the last update on 2023-02-15.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.