Martha Guardia, APN
NPI 1922791599 · Gerontology Nurse Practitioner · Wayne, NJ
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Martha Guardia, APN is a Gerontology Nurse Practitioner provider in Wayne, NJ (NPI 1922791599).
Provider details
- NPI number
- 1922791599
- Entity type
- Individual
- Primary specialty
- Gerontology Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- APN
- Sex
- Female
- Sole proprietor
- Yes
- License
- 26NJ01474700 (NJ)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
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
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
228 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) |
|---|---|---|
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 150 | $71 |
| Hemodialysis Procedure With Physician Evaluation90935 | 31 | $63 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 20 | $107 |
| Face-To-Face Educational Services Related to the Care of Chronic Kidney Disease; Individual, Per Session, Per One HourG0420 | 14 | $99 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 13 | $85 |
Typical Medicare-allowed amounts for these services range $63–$107 (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 · 11 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Furosemide | 40 | 17 |
| Calcitriol | 36 | 18 |
| Losartan Potassium | 36 | 18 |
| Amlodipine Besylate | 28 | 11 |
| Lisinopril | 24 | — |
| Dapagliflozin Propanediolbrand: Farxiga | 18 | — |
| Sevelamer Carbonate | 17 | — |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$60 across 3 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
- 2023-05-31
- Last updated
- 2023-07-25
- Certified
- 2023-07-25
Frequently asked questions
- What is Martha Guardia's NPI number?
- Martha Guardia's National Provider Identifier (NPI) is 1922791599, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Martha Guardia's specialty?
- Martha Guardia is listed in the NPPES registry with a primary specialty of Gerontology Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Martha Guardia located?
- Martha Guardia's practice location on file with NPPES is 246 Hamburg Tpke Ste 207, Wayne, NJ 07470-2160.
- What is Martha Guardia's phone number?
- The practice phone number listed in the NPPES registry for Martha Guardia is (973) 653-3365.
- Does Martha Guardia accept Medicare?
- Martha Guardia is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Martha Guardia's NPI active?
- Yes — Martha Guardia's NPI (1922791599) is active in the NPPES registry as of the last update on 2023-07-25.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.