NPI registry status
Active
2026 NPPES data Adult Health Nurse Practitioner NPI 1982169918 CRNP
Verify on CMS → Stephanie Affeldt, CRNP
Adult Health Nurse Practitioner in Silver Spring, Maryland.
This profile is drawn from the federal National Provider Identifier Registry (CMS NPPES), which lists more than 7 million U.S. healthcare providers - including 29,811 in Adult Health Nurse Practitioner, 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
914
Medicare Part D claims · 215 beneficiaries · Adult Health Nurse Practitioner avg: 1K
Generic prescribing
40%
generic claims · 60% brand-name · higher generic rates reduce patient out-of-pocket costs
MIPS score
83.3/100
▼ 0 pts below national avg 83.5 · Above neutral
Source: CMS Medicare Part D Prescriber Public Use File, 2024
What the federal data shows
Stephanie Affeldt, CRNP reported a CMS MIPS final score of 83.3/100 - below the 83.5 national average - and filed 914 Medicare Part D claims in 2024.
- 83.3/100
- MIPS score · 0 vs avg
- 914
- Part D claims, 2024
- 40%
- generic prescribing
- ≥39th
- pct among measured MIPS (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 Stephanie Affeldt, CRNP
Federal records show an active NPI with both Medicare prescribing volume and a measured CMS quality score — objective registry data, not patient reviews.
- Verified
NPI registry status
Active listing in the CMS National Provider Identifier Registry (NPI 1982169918), first enumerated 02/04/2019.
Source: CMS NPPES
- Reported
Medicare Part D participation
Filed 914 Medicare Part D prescription claims in the 2023 CMS public use file — indicates active Medicare prescribing participation.
Source: CMS Part D Prescriber PUF
- Reported
CMS quality reporting (MIPS)
Reported a CMS MIPS final score of 83.3/100 in the Quality Payment Program — a federal quality measure, not a patient review.
Source: CMS Quality Payment Program
- Reported
Hospital affiliations
1 CMS Care Compare hospital affiliation on record — practice footprint from the Doctors and Clinicians file.
Source: CMS Care Compare
- 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 Affeldt with other Adult Health Nurse Practitioner providers
Same primary specialty, same federal CMS NPPES roster.
Also enrolled in Maryland
- Betelehem Abate, NP Laurel, MD
- Solly Abraham, CRNP Bel Air, MD
- Michelle Abramowski, CRNP Bel Air, MD
- Jessica Abrams, CRNP North Potomac, MD
- Bobbie Adams, AGNP Silver Spring, MD
- Jessica Adams, NP Rockville, MD
Other specialties in Silver Spring: Home Health Aide (895) · Behavior Technician (594) · Clinical Social Worker (400) · Pharmacist (275)
CMS NPPES provider registry desk
NPI 1982169918 · Adult Health Nurse Practitioner
NPI-10 · ENUM-RECENT · TAX-MID · MIPS-INLINE · RX-LIGHT · BOOK-LIGHT · PHOTO-FINISH
- NPI-10 1982169918
- ENUM-RECENT 2019
- TAX-MID 30K Adult Health
- MIPS-INLINE 83.3/100
- RX-LIGHT 914
- BOOK-LIGHT 846 in Maryland
- PHOTO-FINISH Michelle Hicks, NP · ±0.0
MIPS final-score neighbourhood
Same-specialty nationwide peers by CMS final score, not geographic proximity
- Affeldt · this p…
Affeldt · this provider
83.3 MIPS pts
- April Southwick,…
April Southwick, NP
83.3 MIPS pts
- Michelle Hicks, …
Michelle Hicks, NP
83.3 MIPS pts
- Jennifer Macderm…
Jennifer Macdermott, MS, RN, ACNS-BC
83.3 MIPS pts
- Gregory Moran, N…
Gregory Moran, N.P.
83.3 MIPS pts
What this shows Nearest measured MIPS peers for this NUCC specialty (2023 performance year).
Stephanie Affeldt, CRNP's MIPS score vs every measured U.S. clinician
CMS Merit-based Incentive Payment System (MIPS) final score, 2023, the federal quality measure. Clinicians whose score CMS assigned without scoring any category are excluded.
83 ≥ 39th percentile 39% of 454,083 measured providers are in lower value bands
Each bar is a band; taller bars hold more measured providers. 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 whole-score-point band: it counts only measured clinicians in lower score bands. A CMS MIPS metric is not a recommendation or a clinical-quality rating by PlainDoctor. See methodology § corpus placement.
Source CMS Merit-based Incentive Payment System (MIPS) · 2023
Where Stephanie Affeldt, CRNP sits
This provider among adult health nurse practitioner peers
Across the 4,201 adult health nurse practitioner providers who report both Medicare Part D prescribing and a MIPS quality score, Stephanie Affeldt, CRNP writes more Part D claims than 69% of them and scores higher on MIPS quality than 37% - placing this provider in the high-volume, lower-quality quadrant. Volume reflects patient-panel size and specialty, not quality; the two axes are independent.
Each dot is one adult health nurse practitioner peer from a representative sample of 60; the gold marker is Stephanie Affeldt, CRNP. Source: CMS Medicare Part D Prescriber data and the CMS Merit-based Incentive Payment System, 2023.
What does the federal data show about Stephanie Affeldt, CRNP?
Near national averagePrimary specialty
Adult Health Nurse Practitioner
Medicare Part D claims
914 29% vs specialty avg
MIPS final score
83.3/100 0.2 pts vs avg
Specialty distribution in Maryland
How Adult Health Nurse Practitioner compares to other specialties among Maryland providers
Medicare quality performance, MIPS
Stephanie Affeldt, CRNP's 2023 MIPS final score plotted against the Adult Health Nurse Practitioner national average
- MIPS Final Score
- 83.3/100
- vs 83.5 national avg · 2023 performance year
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 | 1982169918 |
|---|---|
| Specialty | Adult Health Nurse Practitioner |
| Credentials | CRNP |
| Gender | Female |
| NPI Issued | 02/04/2019 |
CMS Quality Score (MIPS)
Merit-based Incentive Payment System (MIPS) scores from CMS, 2023 performance year.
83.3366
Final Score
Measured-score avg: 83.5
69.703
Quality
100
Promoting Interoperability
Reporting: Group practice
Hospital and facility affiliations
Facilities where Stephanie Affeldt, CRNP 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.
St Paul Place Specialists, Inc.
Baltimore, MD
Affiliations sourced from CMS Doctors and Clinicians National Downloadable File; hospital ratings from CMS Hospital General Information dataset (cross-referenced by facility name + state).
Brand vs generic prescribing mix · Brand-heavy
Stephanie Affeldt, CRNP - brand share 60.0%
Adult Health Nurse Practitioner average
60% brand-name claims vs 40% generic, on 914 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.
914
Total Claims
$340K
Total Drug Cost
215
Medicare Beneficiaries
Prescribing Breakdown
- 30-Day Fills
- 1,277.9
- Total Day Supply
- 35,734
- Brand vs Generic
- 60% brand / 40% generic
- Brand Drug Cost
- $320K
- Generic Drug Cost
- $20K
- Antibiotic Claims
- 21
Patient Demographics
- Average Patient Age
- 71.7 years
- Avg HCC Risk Score
- 1.77
- Gender Split
- 69% female / 31% male
- Age Distribution
- <65: 35, 65-74: 101, 75-84: 60, 85+: 19
Top Prescribed Drugs (Medicare Part D)
Top drugs by claim count for calendar year 2024. Based on Medicare Part D data only.
What Stephanie Affeldt, CRNP prescribes most
Top Medicare Part D drugs by claim count, 2024
- Albuterol Sulfate …
Albuterol Sulfate Hfa
185 claims
- Trelegy Ellipta
Trelegy Ellipta
139 claims
- Breo Ellipta 68
Breo Ellipta
68 claims
- Prednisone 67
Prednisone
67 claims
- Azelastine Hcl 54
Azelastine Hcl
54 claims
- Fluticasone Propio… 50
Fluticasone Propionate
50 claims
- Breztri Aerosphere 44
Breztri Aerosphere
44 claims
- Incruse Ellipta 41
Incruse Ellipta
41 claims
| Drug | Claims |
|---|---|
| Albuterol Sulfate Hfa Albuterol Sulfate | 185 |
| Trelegy Ellipta Fluticasone/Umeclidin/Vilanter | 139 |
| Breo Ellipta Fluticasone/Vilanterol | 68 |
| Prednisone | 67 |
| Azelastine Hcl | 54 |
| Fluticasone Propionate | 50 |
| Breztri Aerosphere Budesonide/Glycopyr/Formoterol | 44 |
| Incruse Ellipta Umeclidinium Bromide | 41 |
| Anoro Ellipta Umeclidinium Brm/Vilanterol Tr | 35 |
| Arnuity Ellipta Fluticasone Furoate | 32 |
* Counts below 11 are suppressed by CMS for patient privacy. Generic names shown where available from CMS Part D data.
Adult Health Nurse Practitioner Overview
How Stephanie Affeldt, CRNP fits within the Adult Health Nurse Practitioner landscape nationally.
29,811
Adult Health Nurse Practitioner Providers in US
55
States with Adult Health Nurse Practitioner
1,291
Avg Claims per Provider
Stephanie Affeldt, CRNP's 914 claims are below the specialty average of 1,291.
Nationwide Adult Health Nurse Practitioner peers with similar MIPS or enrollment year
Two federal-record peer sets for Affeldt, both outside Maryland so the neighborhoods are not geographic containment.
Similar MIPS final score
Nearest same-specialty clinicians by CMS MIPS final score (83.3 here).
Same NPPES enumeration year (2019)
Same-specialty clinicians who entered the NPI registry in the same calendar year, outside this state.
Nearby Adult Health Nurse Practitioner Providers in Maryland
Other clinicians with the same primary specialty enrolled in Maryland, drawn from the same CMS NPPES roster as Affeldt.
One of 846 Adult Health Nurse Practitioner providers enrolled in Maryland, 11 are shown on this page.
Dr. Karen Adams
DNP
Bethesda, MD
Abidemi Adebanwo
Lanham, MD
Sara Adelman
CRNP
Arnold, MD
Joshua Adetayo
NP
Frederick, MD
Bunmi Adewunmi
NURSE PRACTITIONER
Walkersville, MD
Compare Adult Health Nurse Practitioner nationally: see state-by-state distribution →
Frequently Asked Questions
What is Stephanie Affeldt, CRNP's specialty? ▼
Stephanie Affeldt, CRNP specializes in Adult Health Nurse Practitioner and practices in Silver Spring, Maryland. Credentials: CRNP.
How much does Stephanie Affeldt, CRNP prescribe under Medicare Part D? ▼
In 2024, Stephanie Affeldt, CRNP wrote 914 Medicare Part D claims totaling $340K in drug costs for 215 beneficiaries.
What is Stephanie Affeldt, CRNP's Medicare quality score? ▼
Stephanie Affeldt, CRNP has a CMS MIPS Final Score of 83.3/100 (Quality: 69.7). The average MIPS Final Score across the 454,083 clinicians with at least one published category score is 83.5; clinicians whose score CMS assigned without scoring any category are excluded from that average. Source: CMS Merit-based Incentive Payment System (MIPS) 2023.
Where is Stephanie Affeldt, CRNP located? ▼
Stephanie Affeldt, CRNP is located at 1500 FOREST GLEN RD, Silver Spring, MD, 20910. Phone: (301) 754-7000.
What is Stephanie Affeldt, CRNP's NPI number? ▼
Stephanie Affeldt, CRNP's National Provider Identifier (NPI) is 1982169918, issued on 02/04/2019.
Does Stephanie Affeldt, CRNP prescribe more brand-name or generic drugs? ▼
Stephanie Affeldt, CRNP's prescribing is 60% brand-name and 40% generic drugs by claim count, with $320K in brand drug costs.
How many Adult Health Nurse Practitioner providers are there in the US? ▼
There are 29,811 Adult Health Nurse Practitioner providers across 55 states in the US. The average Adult Health Nurse Practitioner provider writes 1,291 Medicare Part D claims per year.
What drugs does Stephanie Affeldt, CRNP prescribe most often? ▼
Based on 2024 Medicare Part D data, Stephanie Affeldt, CRNP's most frequently prescribed drugs include Albuterol Sulfate Hfa, Trelegy Ellipta, Breo Ellipta. This reflects Medicare Part D prescriptions only and does not include commercial insurance or other payer types.
Does Stephanie Affeldt, CRNP accept Medicare? ▼
Stephanie Affeldt, CRNP appears in CMS Medicare data with 914 Part D claims and 215 Medicare beneficiaries in 2024. Contact the provider's office directly to confirm current Medicare enrollment and accepted plans.
How can I verify Stephanie Affeldt, CRNP's credentials? ▼
Stephanie Affeldt, CRNP's NPI is 1982169918 with credentials CRNP. 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.
- Quality Performance
- CMS Merit-based Incentive Payment System (MIPS) - 2023 performance year.
- 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.