Stacy Kreiswirth, NP
NPI 1821140443 · Nurse Practitioner · New York, NY
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Stacy Kreiswirth, NP is a Nurse Practitioner provider in New York, NY (NPI 1821140443).
Provider details
- NPI number
- 1821140443
- Entity type
- Individual
- Primary specialty
- Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- NP
- Sex
- Female
- Sole proprietor
- No
- License
- F300560 (NY)
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
19 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
155 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) |
|---|---|---|
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 44 | $9 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 37 | $122 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 25 | $86 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 20 | $123 |
| Routine Electrocardiogram (ecg) Using at Least 12 Leads With Interpretation and Report93000 | 16 | $14 |
| Administration of Influenza Virus VaccineG0008 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 59 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Rosuvastatin Calcium | 173 | 43 |
| Atorvastatin Calcium | 107 | 26 |
| Dolutegravir Sodiumbrand: Tivicay | 103 | 11 |
| Bictegrav/Emtricit/Tenofov Alabrand: Biktarvy | 89 | — |
| Emtricitabine/Tenofov Alafenambrand: Descovy | 75 | — |
| Zolpidem Tartrate | 53 | 12 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$15 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
- 2007-01-16
- Last updated
- 2007-07-08
Frequently asked questions
- What is Stacy Kreiswirth's NPI number?
- Stacy Kreiswirth's National Provider Identifier (NPI) is 1821140443, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Stacy Kreiswirth's specialty?
- Stacy Kreiswirth is listed in the NPPES registry with a primary specialty of Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Stacy Kreiswirth located?
- Stacy Kreiswirth's practice location on file with NPPES is 67 Irving Place #5fl, New York, NY 10003.
- What is Stacy Kreiswirth's phone number?
- The practice phone number listed in the NPPES registry for Stacy Kreiswirth is (212) 253-2968.
- Does Stacy Kreiswirth accept Medicare?
- Stacy Kreiswirth is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Stacy Kreiswirth's NPI active?
- Yes — Stacy Kreiswirth's NPI (1821140443) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.