NPI registry status
Active
2026 NPPES data Infusion Therapy Registered Nurse NPI 1790313047 FNP-BC
Verify on CMS → Macy Sun, FNP-BC
Infusion Therapy Registered Nurse in Oakland, 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 870 in Infusion Therapy 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
561
Medicare Part D claims · 150 beneficiaries · Infusion Therapy Registered Nurse avg: 900
Generic prescribing
79%
generic claims · 21% brand-name · higher generic rates reduce patient out-of-pocket costs
Industry payments
$2.7K
107 payments · CMS Open Payments (Sunshine Act)
Source: CMS Medicare Part D Prescriber Public Use File, 2024
What the federal data shows
Macy Sun, FNP-BC filed 561 Medicare Part D claims in 2024 as an Infusion Therapy Registered Nurse in Oakland, California, prescribing 79% generic.
- 561
- Part D claims, 2024
- 79%
- generic prescribing
- $2.7K
- industry payments (Sunshine Act)
- ≥65th
- 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 Macy Sun, FNP-BC
Federal records show an active NPI with Medicare Part D prescribing activity — verifiable registry data, not a proprietary rating.
- Verified
NPI registry status
Active listing in the CMS National Provider Identifier Registry (NPI 1790313047), first enumerated 03/31/2020.
Source: CMS NPPES
- Reported
Medicare Part D participation
Filed 561 Medicare Part D prescription claims in the 2023 CMS public use file — indicates active Medicare prescribing participation.
Source: CMS Part D Prescriber PUF
- Reported
Hospital affiliations
1 CMS Care Compare hospital affiliation on record — practice footprint from the Doctors and Clinicians file.
Source: CMS Care Compare
- Reported
Industry payment transparency
$2.7K in reported industry payments (107 transfers) in 2024 under the federal Sunshine Act — disclosed transfers of value, not a quality rating.
Source: CMS Open Payments
- State context
State board disciplinary context
California statewide board action statistics are published annually — these figures describe aggregate state activity, not Macy Sun, FNP-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.
CMS NPPES provider registry desk
NPI 1790313047 · Infusion Therapy Registered Nurse
NPI-10 · ENUM-RECENT · TAX-NARROW · RX-LIGHT · BOOK-THIN · PHOTO-ENUM
- NPI-10 1790313047
- ENUM-RECENT 2020
- TAX-NARROW 870
- RX-LIGHT 561
- BOOK-THIN 76 in California
- PHOTO-ENUM Jane Rafter, BSN, RN · 2020
Macy Sun, FNP-BC's Medicare Part D volume vs every U.S. prescriber
Total Medicare Part D claims, 2024, across all CMS prescribers nationally
561 ≥ 65th percentile 65% 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 Macy Sun, FNP-BC?
Quality data not reportedPrimary specialty
Infusion Therapy Registered Nurse
Medicare Part D claims
561 38% vs specialty avg
Specialty distribution in California
How Infusion Therapy 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 Infusion Therapy 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 | 1790313047 |
|---|---|
| Specialty | Infusion Therapy Registered Nurse |
| Credentials | FNP-BC |
| Gender | Female |
| NPI Issued | 03/31/2020 |
Hospital and facility affiliations
Facilities where Macy Sun, FNP-BC bills Medicare from. Star ratings (1-5) are CMS Hospital Compare's "Hospital overall rating" - a composite of mortality, readmission, patient experience, safety, timely care, and efficient use of medical imaging measures. Source: CMS Care Compare.
Epic Care
Antioch, CA
Affiliations sourced from CMS Doctors and Clinicians National Downloadable File; hospital ratings from CMS Hospital General Information dataset (cross-referenced by facility name + state).
Industry payments received (2024) - CMS Open Payments transparency data
The federal Physician Payments Sunshine Act (part of the Affordable Care Act) requires drug and medical-device manufacturers + group purchasing organizations to publicly report payments and other transfers of value to physicians and teaching hospitals. The data below covers 2024 for Macy Sun, FNP-BC. Source: openpaymentsdata.cms.gov.
Total received
$2.7K
Largest payer
Janssen Biotech, Inc.
Most common payment type
Food and Beverage
Industry payments are not necessarily indicators of bias, they include research funding, consulting fees for evidence-based work, royalties for inventions, food at conferences, and similar items. The disclosure exists for transparency. Read our methodology for how we interpret this data.
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 Macy Sun, FNP-BC. To verify Macy Sun, FNP-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
Macy Sun, FNP-BC - brand share 21.0%
Infusion Therapy Registered Nurse average
21% brand-name claims vs 79% generic, on 561 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.
561
Total Claims
$961K
Total Drug Cost
150
Medicare Beneficiaries
Prescribing Breakdown
- 30-Day Fills
- 840.2
- Total Day Supply
- 21,521
- Brand vs Generic
- 21% brand / 79% generic
- Brand Drug Cost
- $687K
- Generic Drug Cost
- $274K
- Opioid Claims
- 41 (7.3% rate)
- Antibiotic Claims
- 22
Patient Demographics
- Average Patient Age
- 73.9 years
- Avg HCC Risk Score
- 2.21
- Gender Split
- 63% female / 37% male
- Age Distribution
- <65: 12, 65-74: 78, 75-84: 44, 85+: 16
Top Prescribed Drugs (Medicare Part D)
Top drugs by claim count for calendar year 2024. Based on Medicare Part D data only.
What Macy Sun, FNP-BC prescribes most
Top Medicare Part D drugs by claim count, 2024
- Lidocaine-Prilocaine
Lidocaine-Prilocaine
55 claims
- Eliquis
Eliquis
42 claims
- Prochlorperazine M…
Prochlorperazine Maleate
36 claims
- Acyclovir
Acyclovir
29 claims
- Ondansetron Hcl
Ondansetron Hcl
28 claims
- Levothyroxine Sodium
Levothyroxine Sodium
27 claims
- Lenalidomide
Lenalidomide
23 claims
- Hydrocodone-Acetam…
Hydrocodone-Acetaminophen
22 claims
| Drug | Claims |
|---|---|
| Lidocaine-Prilocaine Lidocaine/Prilocaine | 55 |
| Eliquis Apixaban | 42 |
| Prochlorperazine Maleate | 36 |
| Acyclovir | 29 |
| Ondansetron Hcl | 28 |
| Levothyroxine Sodium | 27 |
| Lenalidomide | 23 |
| Hydrocodone-Acetaminophen Hydrocodone/Acetaminophen | 22 |
| Letrozole | 21 |
| Dexamethasone | 19 |
* Counts below 11 are suppressed by CMS for patient privacy. Generic names shown where available from CMS Part D data.
Infusion Therapy Registered Nurse Overview
How Macy Sun, FNP-BC fits within the Infusion Therapy Registered Nurse landscape nationally.
870
Infusion Therapy Registered Nurse Providers in US
51
States with Infusion Therapy Registered Nurse
900
Avg Claims per Provider
Macy Sun, FNP-BC's 561 claims are below the specialty average of 900.
Nationwide Infusion Therapy Registered Nurse peers with similar MIPS or enrollment year
Two federal-record peer sets for Sun, both outside California so the neighborhoods are not geographic containment.
Same NPPES enumeration year (2020)
Same-specialty clinicians who entered the NPI registry in the same calendar year, outside this state.
Nearby Infusion Therapy Registered Nurse Providers in California
Other clinicians with the same primary specialty enrolled in California, drawn from the same CMS NPPES roster as Sun.
One of 76 Infusion Therapy Registered Nurse providers enrolled in California, 5 are shown here.
Christelle Jade Abrenica
Palo Alto, CA
Inell Adams
NP
Los Angeles, CA
Girom Aregai
RN,
Oakland, CA
Monna Armstrong
RN
San Andreas, CA
Kimberly Baker
RN
Rancho Cucamonga, CA
Compare Infusion Therapy Registered Nurse nationally: see state-by-state distribution →
Frequently Asked Questions
What is Macy Sun, FNP-BC's specialty? ▼
Macy Sun, FNP-BC specializes in Infusion Therapy Registered Nurse and practices in Oakland, California. Credentials: FNP-BC.
How much does Macy Sun, FNP-BC prescribe under Medicare Part D? ▼
In 2024, Macy Sun, FNP-BC wrote 561 Medicare Part D claims totaling $961K in drug costs for 150 beneficiaries.
Where is Macy Sun, FNP-BC located? ▼
Macy Sun, FNP-BC is located at 6955 FOOTHILL BLVD STE 67A, Oakland, CA, 94605. Phone: (510) 969-5067.
What is Macy Sun, FNP-BC's NPI number? ▼
Macy Sun, FNP-BC's National Provider Identifier (NPI) is 1790313047, issued on 03/31/2020.
Does Macy Sun, FNP-BC prescribe more brand-name or generic drugs? ▼
Macy Sun, FNP-BC's prescribing is 21% brand-name and 79% generic drugs by claim count, with $687K in brand drug costs.
Does Macy Sun, FNP-BC prescribe opioids? ▼
Yes, Macy Sun, FNP-BC had 41 opioid claims in 2024 with an opioid prescribing rate of 7.3%.
How many Infusion Therapy Registered Nurse providers are there in the US? ▼
There are 870 Infusion Therapy Registered Nurse providers across 51 states in the US. The average Infusion Therapy Registered Nurse provider writes 900 Medicare Part D claims per year.
What drugs does Macy Sun, FNP-BC prescribe most often? ▼
Based on 2024 Medicare Part D data, Macy Sun, FNP-BC's most frequently prescribed drugs include Lidocaine-Prilocaine, Eliquis, Prochlorperazine Maleate. This reflects Medicare Part D prescriptions only and does not include commercial insurance or other payer types.
Does Macy Sun, FNP-BC accept Medicare? ▼
Macy Sun, FNP-BC appears in CMS Medicare data with 561 Part D claims and 150 Medicare beneficiaries in 2024. Contact the provider's office directly to confirm current Medicare enrollment and accepted plans.
How can I verify Macy Sun, FNP-BC's credentials? ▼
Macy Sun, FNP-BC's NPI is 1790313047 with credentials FNP-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.