Cynthia Sieto, PA-C
NPI 1518963487 · Medical Physician Assistant · Allentown, PA
Enrolled with Medicare as Practitioner - Physician Assistant · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Cynthia Sieto, PA-C is a Medical Physician Assistant provider in Allentown, PA (NPI 1518963487).
Provider details
- NPI number
- 1518963487
- Entity type
- Individual
- Primary specialty
- Medical Physician AssistantPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- PA-C
- Sex
- Female
- Sole proprietor
- Yes
- License
- MA051355 (PA)
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
21 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
372 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) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 341 | $106 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 31 | $66 |
Typical Medicare-allowed amounts for these services range $66–$106 (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 · 48 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Mirtazapine | 219 | 38 |
| Duloxetine Hcl | 213 | 41 |
| Clonazepam | 213 | 36 |
| Lorazepam | 197 | 43 |
| Alprazolam | 189 | 36 |
| Quetiapine Fumarate | 163 | 33 |
| Buspirone Hcl | 158 | 36 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$870 across 23 records (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
- 2005-06-24
- Last updated
- 2010-01-27
Frequently asked questions
- What is Cynthia Sieto's NPI number?
- Cynthia Sieto's National Provider Identifier (NPI) is 1518963487, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Cynthia Sieto's specialty?
- Cynthia Sieto is listed in the NPPES registry with a primary specialty of Medical Physician Assistant (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Cynthia Sieto located?
- Cynthia Sieto's practice location on file with NPPES is 2895 Hamilton Blvd, Allentown, PA 18104-6172.
- What is Cynthia Sieto's phone number?
- The practice phone number listed in the NPPES registry for Cynthia Sieto is (610) 435-8986.
- Does Cynthia Sieto accept Medicare?
- Cynthia Sieto is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Cynthia Sieto's NPI active?
- Yes — Cynthia Sieto's NPI (1518963487) is active in the NPPES registry as of the last update on 2010-01-27.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.