Siobhan Sundel, GNP
NPI 1922075738 · Gerontology Nurse Practitioner · New York, NY
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Siobhan Sundel, GNP is a Gerontology Nurse Practitioner provider in New York, NY (NPI 1922075738).
Provider details
- NPI number
- 1922075738
- Entity type
- Individual
- Primary specialty
- Gerontology Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- GNP
- Sex
- Female
- Sole proprietor
- No
- License
- F3403961 (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
20 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
311 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) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 249 | $90 |
| Routine Electrocardiogram (ecg) Using at Least 12 Leads With Interpretation and Report Only93010 | 34 | $7 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 28 | $134 |
Typical Medicare-allowed amounts for these services range $7–$134 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 60 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 225 | 89 |
| Amlodipine Besylate | 182 | 71 |
| Levothyroxine Sodium | 163 | 52 |
| Losartan Potassium | 140 | 46 |
| Gabapentin | 103 | 39 |
| Mirtazapine | 95 | 29 |
| Famotidine | 73 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-03-01
- Last updated
- 2016-12-23
Frequently asked questions
- What is Siobhan Sundel's NPI number?
- Siobhan Sundel's National Provider Identifier (NPI) is 1922075738, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Siobhan Sundel's specialty?
- Siobhan Sundel is listed in the NPPES registry with a primary specialty of Gerontology Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Siobhan Sundel located?
- Siobhan Sundel's practice location on file with NPPES is 1440 Madison Avenue, New York, NY 10029.
- What is Siobhan Sundel's phone number?
- The practice phone number listed in the NPPES registry for Siobhan Sundel is (212) 659-8552.
- Does Siobhan Sundel accept Medicare?
- Siobhan Sundel is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Siobhan Sundel's NPI active?
- Yes — Siobhan Sundel's NPI (1922075738) is active in the NPPES registry as of the last update on 2016-12-23.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.