Ashley Mierkowski
NPI 1699438697 · Family Nurse Practitioner · New York, NY
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Ashley Mierkowski is a Family Nurse Practitioner provider in New York, NY (NPI 1699438697).
Provider details
- NPI number
- 1699438697
- Entity type
- Individual
- Primary specialty
- Family Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Sex
- Female
- Sole proprietor
- No
- License
- 348695 (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 tenure28% of score
4 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
283 Medicare services, 2024 (ranked within specialty)
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 methodology.
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 | 65 | $64 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 63 | $94 |
| Advance Care Planning, First 30 Minutes99497 | 62 | $61 |
| Initial Hospital Care With Moderate Level of Medical Decision Making, If Using Time, at Least 75 Minutes99223 | 59 | $141 |
| Initial Hospital Care With Straightforward Or Low-Level Medical Decision Making, If Using Time, at Least 55 Minutes99222 | 18 | $106 |
| Subsequent Hospital Care With Straightforward Or Low Level of Medical Decision Making, Per Day, If Using Time, at Least 25 Minutes99231 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2021-10-16
- Last updated
- 2021-10-16
- Certified
- 2021-10-16
Frequently asked questions
- What is Ashley Mierkowski's NPI number?
- Ashley Mierkowski's National Provider Identifier (NPI) is 1699438697, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Ashley Mierkowski's specialty?
- Ashley Mierkowski is listed in the NPPES registry with a primary specialty of Family Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Ashley Mierkowski located?
- Ashley Mierkowski's practice location on file with NPPES is 1275 York Ave, New York, NY 10065-6007.
- What is Ashley Mierkowski's phone number?
- The practice phone number listed in the NPPES registry for Ashley Mierkowski is (212) 639-2000.
- Does Ashley Mierkowski accept Medicare?
- Ashley Mierkowski is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Ashley Mierkowski's NPI active?
- Yes — Ashley Mierkowski's NPI (1699438697) is active in the NPPES registry as of the last update on 2021-10-16.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.