Nancy Chasko, MD
NPI 1801094073 · Internal Medicine Physician · York, PA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Nancy Chasko, MD is a Internal Medicine Physician provider in York, PA (NPI 1801094073).
Provider details
- NPI number
- 1801094073
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- MD440612 (PA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
18 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
907 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 | 422 | $121 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 135 | $86 |
| Visit Complexity Inherent to Evaluation and Management Associated With Medical Care Services That Serve As the Continuing Focal Point for All Needed Health Care Services And/Or With Medical Care Services That Are Part of Ongoing Care Related to a Patient'SG2211 | 101 | $16 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 74 | $122 |
| Administration of Influenza Virus VaccineG0008 | 61 | $30 |
| Admn Sarscov2 Vacc 1 Dose |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 131 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 492 | 123 |
| Rosuvastatin Calcium | 321 | 84 |
| Levothyroxine Sodium | 309 | 76 |
| Amlodipine Besylate | 233 | 66 |
| Losartan Potassium | 220 | 65 |
| Gabapentin | 198 | 42 |
| Lisinopril |
Practice location
Mailing address
Registry dates
- Enumerated
- 2007-07-10
- Last updated
- 2021-06-08
- Certified
- 2021-06-08
Frequently asked questions
- What is Nancy Chasko's NPI number?
- Nancy Chasko's National Provider Identifier (NPI) is 1801094073, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Nancy Chasko's specialty?
- Nancy Chasko is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Nancy Chasko located?
- Nancy Chasko's practice location on file with NPPES is 25 Monument Rd, York, PA 17403-5060.
- What is Nancy Chasko's phone number?
- The practice phone number listed in the NPPES registry for Nancy Chasko is (717) 741-8003.
- Does Nancy Chasko accept Medicare?
- Nancy Chasko is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Nancy Chasko's NPI active?
- Yes — Nancy Chasko's NPI (1801094073) is active in the NPPES registry as of the last update on 2021-06-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.