NPI registry status
Active
2026 NPPES data Critical Care Medicine Registered Nurse NPI 1033797071 MSN, RN, AGACNP-BC
Verify on CMS → Nami Osterwald, MSN, RN, AGACNP-BC
Critical Care Medicine Registered Nurse in Los Angeles, California.
This profile is drawn from the federal National Provider Identifier Registry (CMS NPPES), which lists more than 7 million U.S. healthcare providers - including 6,929 in Critical Care Medicine Registered Nurse, and covers specialty classification, practice address, and Medicare Part D prescribing data when reported. According to CMS, every field reflects the provider's official federal registration, see our methodology.
Federal data, no proprietary rating.
We show these CMS records as-is - no composite score, no star rating, no editorial opinion layered on top.
Prescribing volume
3K
Medicare Part D claims · 149 beneficiaries · Critical Care Medicine Registered Nurse avg: 832
Generic prescribing
88%
generic claims · 11% brand-name · higher generic rates reduce patient out-of-pocket costs
Source: CMS Medicare Part D Prescriber Public Use File, 2024
What the federal data shows
Nami Osterwald, MSN, RN, AGACNP-BC filed 2,743 Medicare Part D claims in 2024 as a Critical Care Medicine Registered Nurse in Los Angeles, California, prescribing 88% generic.
- 3K
- Part D claims, 2024
- 88%
- generic prescribing
- ≥87th
- pct by Part D claim volume (lower-bound band)
Every figure on this page comes straight from federal CMS records (NPPES, Medicare Part D, MIPS, Open Payments) - no proprietary rating or editorial opinion is applied.
Federal trust snapshot
What official records show about Nami Osterwald, MSN, RN, AGACNP-BC
Bare NPI registry listing — limited federal enrichment beyond basic enumeration. Verify all credentials with official sources.
- Verified
NPI registry status
Active listing in the CMS National Provider Identifier Registry (NPI 1033797071), first enumerated 03/31/2021.
Source: CMS NPPES
- Reported
Medicare Part D participation
Filed 2,743 Medicare Part D prescription claims in the 2023 CMS public use file — indicates active Medicare prescribing participation.
Source: CMS Part D Prescriber PUF
- State context
State board disciplinary context
California statewide board action statistics are published annually — these figures describe aggregate state activity, not Nami Osterwald, MSN, RN, AGACNP-BC's individual license status. Verify directly with the state medical board.
Source: MBC annual report 2023
- Not in federal data
Individual sanction lookup
PlainDoctor does not publish per-provider disciplinary determinations. Confirm current license and any individual actions through the state medical board or FSMB verification service.
Source: State medical board / FSMB
This trust snapshot summarizes only what appears in federal CMS/NPPES public records. It is not a composite score, star rating, patient review, or clinical recommendation. PlainDoctor never fabricates reviews or AggregateRating schema.
Compare Osterwald with other Critical Care Medicine Registered Nurse providers
Same primary specialty, same federal CMS NPPES roster.
Also enrolled in California
- Arlene Abarca Loma Linda, CA
- Melanie Abbott, RN San Diego, CA
- Hadia Abdelgawad, CRNA Stanford, CA
- Patrisha Abergas, RN Los Angeles, CA
- Brittani Ables Inglewood, CA
- Shahnaz Achackzad, NPC San Jose, CA
Other specialties in Los Angeles: Student in an Organized Health Care Education/Training Program (7,984) · Behavior Technician (5,108) · Marriage & Family Therapist (3,962) · Clinical Social Worker (3,688)
CMS NPPES provider registry desk
NPI 1033797071 · Critical Care Medicine Registered Nurse
NPI-10 · ENUM-RECENT · TAX-MID · RX-MID · BOOK-LIGHT · PHOTO-ENUM
- NPI-10 1033797071
- ENUM-RECENT 2021
- TAX-MID 7K Critical Care
- RX-MID 2,743
- BOOK-LIGHT 580 in California
- PHOTO-ENUM Rebecca McMillin, MS… · 2021
Nami Osterwald, MSN, RN, AGACNP-BC's Medicare Part D volume vs every U.S. prescriber
Total Medicare Part D claims, 2024, across all CMS prescribers nationally
2,743 ≥ 87th percentile 87% of 1,416,883 prescribers are in lower value bands
Each bar is a band; taller bars hold more prescribers. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count, share, and where it sits relative to this entry.
The percentile is a conservative 100-claim band: it counts only prescribers in lower claim-volume bands. Medicare Part D claim volume is activity context, not a quality measure or recommendation. See methodology § corpus placement.
Source CMS Medicare Part D Prescriber Public Use File · 2024
What does the federal data show about Nami Osterwald, MSN, RN, AGACNP-BC?
Quality data not reportedPrimary specialty
Critical Care Medicine Registered Nurse
Medicare Part D claims
2,743 230% vs specialty avg
Specialty distribution in California
How Critical Care Medicine Registered Nurse compares to other specialties among California providers
Board certification
Not published by CMS
CMS does not publish a per-provider board-certification field in NPPES. PlainDoctor does not have a reliable per-specialty certification rate to show for Critical Care Medicine Registered Nurse. Verify directly:
How MIPS and board certification work
The Merit-based Incentive Payment System (MIPS) scores providers 0–100 across four performance categories: Quality, Cost, Promoting Interoperability, and Improvement Activities, weighted under 42 CFR §414.1380. Reporting is voluntary for many small practices, so absence of a MIPS score is not a quality signal.
Board certification through an ABMS or AOA member board signals voluntary post-licensure examination plus continuous Maintenance of Certification cycles. Verify any individual provider's status through certificationmatters.org (ABMS) or osteopathic.org (AOA).
Practice Address
Provider Details
| NPI | 1033797071 |
|---|---|
| Specialty | Critical Care Medicine Registered Nurse |
| Credentials | MSN, RN, AGACNP-BC |
| Gender | Female |
| NPI Issued | 03/31/2021 |
License & disciplinary context - California MBC 2023 annual report
Aggregate state board data only, NOT a determination of any individual provider's status. The figures below describe statewide disciplinary activity across all ~150K California medical licensees in 2023 - they are NOT specific to Nami Osterwald, MSN, RN, AGACNP-BC. To verify Nami Osterwald, MSN, RN, AGACNP-BC's current license status, search the MBC public license lookup directly, or check the Federation of State Medical Boards (FSMB) verification service.
576
Total board actions, California 2023
Across 556 cases
3.84
Actions per 1,000 licensees
California statewide rate
probation
Most common action type
186 cases
MBC publishes annual disciplinary statistics as part of public-record reporting under each state's Administrative Procedure Act. See the full breakdown by action type and year on the California disciplinary trends page. Cross-checked against FSMB U.S. Medical Regulatory Trends.
Brand vs generic prescribing mix · Typical
Nami Osterwald, MSN, RN, AGACNP-BC - brand share 11.0%
Critical Care Medicine Registered Nurse average
11% brand-name claims vs 88% generic, on 2,743 2024 Medicare Part D claims.
The federal Medicare Part D Generic Dispensing Rate national benchmark sits near 90% generic / 10% brand for primary-care prescribers, per CMS Office of the Actuary 2024 estimates. Higher brand share is common in specialty prescribing where generic equivalents are not available.
Medicare Part D Prescribing Data
CMS Medicare Part D prescriber-level data for calendar year 2024.
2,743
Total Claims
$183K
Total Drug Cost
149
Medicare Beneficiaries
Prescribing Breakdown
- 30-Day Fills
- 2,958.9
- Total Day Supply
- 79,677
- Brand vs Generic
- 11% brand / 88% generic
- Brand Drug Cost
- $116K
- Generic Drug Cost
- $66K
- Opioid Claims
- 32 (1.2% rate)
- Antibiotic Claims
- 45
Patient Demographics
- Average Patient Age
- 85.6 years
- Avg HCC Risk Score
- 2.40
- Gender Split
- 68% female / 32% male
Top Prescribed Drugs (Medicare Part D)
Top drugs by claim count for calendar year 2024. Based on Medicare Part D data only.
What Nami Osterwald, MSN, RN, AGACNP-BC prescribes most
Top Medicare Part D drugs by claim count, 2024
- Levothyroxine Sodium
Levothyroxine Sodium
134 claims
- Atorvastatin Calcium
Atorvastatin Calcium
118 claims
- Donepezil Hcl
Donepezil Hcl
118 claims
- Quetiapine Fumarate
Quetiapine Fumarate
102 claims
- Losartan Potassium
Losartan Potassium
100 claims
- Eliquis
Eliquis
90 claims
- Gabapentin
Gabapentin
85 claims
- Furosemide
Furosemide
72 claims
| Drug | Claims |
|---|---|
| Levothyroxine Sodium | 134 |
| Atorvastatin Calcium | 118 |
| Donepezil Hcl | 118 |
| Quetiapine Fumarate | 102 |
| Losartan Potassium | 100 |
| Eliquis Apixaban | 90 |
| Gabapentin | 85 |
| Furosemide | 72 |
| Tamsulosin Hcl | 68 |
| Amlodipine Besylate | 66 |
* Counts below 11 are suppressed by CMS for patient privacy. Generic names shown where available from CMS Part D data.
More Critical Care Medicine Registered Nurse in CA →
All providers in California →
Compare specialties →
Critical Care Medicine Registered Nurse Overview
How Nami Osterwald, MSN, RN, AGACNP-BC fits within the Critical Care Medicine Registered Nurse landscape nationally.
6,929
Critical Care Medicine Registered Nurse Providers in US
53
States with Critical Care Medicine Registered Nurse
832
Avg Claims per Provider
Nami Osterwald, MSN, RN, AGACNP-BC's 2,743 claims are above the specialty average of 832.
Nationwide Critical Care Medicine Registered Nurse peers with similar MIPS or enrollment year
Two federal-record peer sets for Osterwald, both outside California so the neighborhoods are not geographic containment.
Same NPPES enumeration year (2021)
Same-specialty clinicians who entered the NPI registry in the same calendar year, outside this state.
Nearby Critical Care Medicine Registered Nurse Providers in California
Other clinicians with the same primary specialty enrolled in California, drawn from the same CMS NPPES roster as Osterwald.
One of 580 Critical Care Medicine Registered Nurse providers enrolled in California, 11 are shown on this page.
Andrew Addley
CRNA
Sonora, CA
Olasunkanmi Adesemoye
Travis Afb, CA
Niko Sebastian Africano
Los Angeles, CA
Ikechukwu Afunugo
Loma Linda, CA
Marius Jordan Agustin
BSN,RN,CCRN
Loma Linda, CA
Compare Critical Care Medicine Registered Nurse nationally: see state-by-state distribution →
Frequently Asked Questions
What is Nami Osterwald, MSN, RN, AGACNP-BC's specialty? ▼
Nami Osterwald, MSN, RN, AGACNP-BC specializes in Critical Care Medicine Registered Nurse and practices in Los Angeles, California. Credentials: MSN, RN, AGACNP-BC.
How much does Nami Osterwald, MSN, RN, AGACNP-BC prescribe under Medicare Part D? ▼
In 2024, Nami Osterwald, MSN, RN, AGACNP-BC wrote 2,743 Medicare Part D claims totaling $183K in drug costs for 149 beneficiaries.
Where is Nami Osterwald, MSN, RN, AGACNP-BC located? ▼
Nami Osterwald, MSN, RN, AGACNP-BC is located at 8700 BEVERLY BLVD, Los Angeles, CA, 90048. Phone: (310) 855-6863.
What is Nami Osterwald, MSN, RN, AGACNP-BC's NPI number? ▼
Nami Osterwald, MSN, RN, AGACNP-BC's National Provider Identifier (NPI) is 1033797071, issued on 03/31/2021.
Does Nami Osterwald, MSN, RN, AGACNP-BC prescribe more brand-name or generic drugs? ▼
Nami Osterwald, MSN, RN, AGACNP-BC's prescribing is 11% brand-name and 88% generic drugs by claim count, with $116K in brand drug costs.
Does Nami Osterwald, MSN, RN, AGACNP-BC prescribe opioids? ▼
Yes, Nami Osterwald, MSN, RN, AGACNP-BC had 32 opioid claims in 2024 with an opioid prescribing rate of 1.2%.
How many Critical Care Medicine Registered Nurse providers are there in the US? ▼
There are 6,929 Critical Care Medicine Registered Nurse providers across 53 states in the US. The average Critical Care Medicine Registered Nurse provider writes 832 Medicare Part D claims per year.
What drugs does Nami Osterwald, MSN, RN, AGACNP-BC prescribe most often? ▼
Based on 2024 Medicare Part D data, Nami Osterwald, MSN, RN, AGACNP-BC's most frequently prescribed drugs include Levothyroxine Sodium, Atorvastatin Calcium, Donepezil Hcl. This reflects Medicare Part D prescriptions only and does not include commercial insurance or other payer types.
Does Nami Osterwald, MSN, RN, AGACNP-BC accept Medicare? ▼
Nami Osterwald, MSN, RN, AGACNP-BC appears in CMS Medicare data with 2,743 Part D claims and 149 Medicare beneficiaries in 2024. Contact the provider's office directly to confirm current Medicare enrollment and accepted plans.
How can I verify Nami Osterwald, MSN, RN, AGACNP-BC's credentials? ▼
Nami Osterwald, MSN, RN, AGACNP-BC's NPI is 1033797071 with credentials MSN, RN, AGACNP-BC. You can verify this through the NPPES NPI Registry, check state medical board records, and confirm board certification through the ABMS or AOA.
Data Sources
View source datasets and methodology notes
- Provider Directory
- CMS National Plan and Provider Enumeration System (NPPES), download.cms.gov/nppes, updated monthly. Contains NPI, specialty, credentials, and practice location.
- Specialty Classification
- NUCC Health Care Provider Taxonomy (nucc.org), the industry standard for classifying provider specialties in Medicare and Medicaid billing.
- Prescribing Data
- CMS Medicare Part D Prescriber Public Use File (2024). Includes claims, drug costs, beneficiaries, and opioid prescribing rates.
- Limitations
- Provider data is self-reported to CMS. Prescribing data reflects Medicare Part D only and does not include commercial insurance, Medicaid, or cash prescriptions. Claims below 11 beneficiaries are suppressed by CMS for privacy.
See our complete data methodology for details on how we collect and process government data.
Data as of August 2026 (NPPES) / 2024 (Medicare Part D). Source: Centers for Medicare & Medicaid Services (CMS).
Disclaimer: Data from CMS NPPES and Medicare Part D. PlainDoctor does not rate or rank providers. Provider information is self-reported and may not be current. Always verify information directly with the provider. About · Methodology
Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of August 2026.