Marilyn Rosca, NURSE PRACTITIONER
NPI 1194177188 · Gerontology Nurse Practitioner · Lakewood, CA
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Marilyn Rosca, NURSE PRACTITIONER is a Gerontology Nurse Practitioner provider in Lakewood, CA (NPI 1194177188).
Provider details
- NPI number
- 1194177188
- Entity type
- Individual
- Primary specialty
- Gerontology Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- NURSE PRACTITIONER
- Sex
- Female
- Sole proprietor
- Yes
- License
- 95004493 (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
9 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
3,177 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 | 2,663 | $69 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 310 | $104 |
| Initial Hospital Care With Moderate Level of Medical Decision Making, If Using Time, at Least 75 Minutes99223 | 204 | $152 |
Typical Medicare-allowed amounts for these services range $69–$152 (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 · 21 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Parenteral Amino Acid 20% No.1brand: Prosol | 84 | — |
| Calcium Acetate | 78 | 27 |
| Sevelamer Carbonate | 73 | 28 |
| Fat Emulsion/Olive/Soy/Phosphobrand: Clinolipid | 72 | — |
| Nifedipinebrand: Nifedipine Er | 43 | 15 |
| Sucroferric Oxyhydroxidebrand: Velphoro | 36 | 12 |
| Ropinirole Hcl | 26 | — |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$120 across 1 record (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
- 2016-07-01
- Last updated
- 2016-07-01
Frequently asked questions
- What is Marilyn Rosca's NPI number?
- Marilyn Rosca's National Provider Identifier (NPI) is 1194177188, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Marilyn Rosca's specialty?
- Marilyn Rosca is listed in the NPPES registry with a primary specialty of Gerontology Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Marilyn Rosca located?
- Marilyn Rosca's practice location on file with NPPES is 12234 Renville St, Lakewood, CA 90715-1605.
- What is Marilyn Rosca's phone number?
- The practice phone number listed in the NPPES registry for Marilyn Rosca is (562) 228-6346.
- Does Marilyn Rosca accept Medicare?
- Marilyn Rosca is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Marilyn Rosca's NPI active?
- Yes — Marilyn Rosca's NPI (1194177188) is active in the NPPES registry as of the last update on 2016-07-01.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.