Christopher Grudowski, MSN/FNP
NPI 1821104647 · Family Nurse Practitioner · Carthage, NY
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Christopher Grudowski, MSN/FNP is a Family Nurse Practitioner provider in Carthage, NY (NPI 1821104647).
Provider details
- NPI number
- 1821104647
- Entity type
- Individual
- Primary specialty
- Family Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- MSN/FNP
- Sex
- Male
- Sole proprietor
- No
- License
- F333844 (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
19 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
319 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) |
|---|---|---|
| Emergency Department Visit With Moderate Level of Medical Decision Making99284 | 147 | $100 |
| Emergency Department Visit With High Level of Medical Decision Making99285 | 113 | $144 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 59 | $54 |
Typical Medicare-allowed amounts for these services range $54–$144 (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 · 10 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Meloxicam | 142 | 138 |
| Methocarbamol | 51 | 51 |
| Prednisone | 40 | 40 |
| Azithromycin | 32 | 31 |
| Cefpodoxime Proxetil | 26 | 26 |
| Cephalexin | 23 | 23 |
| Amoxicillin/Potassium Clavbrand: Amoxicillin-Clavulanate Potass | 22 | 22 |
| Doxycycline Monohydrate |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-08-22
- Last updated
- 2007-07-08
Frequently asked questions
- What is Christopher Grudowski's NPI number?
- Christopher Grudowski's National Provider Identifier (NPI) is 1821104647, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Christopher Grudowski's specialty?
- Christopher Grudowski is listed in the NPPES registry with a primary specialty of Family Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Christopher Grudowski located?
- Christopher Grudowski's practice location on file with NPPES is 3 Bridge St, Carthage, NY 13619-1333.
- What is Christopher Grudowski's phone number?
- The practice phone number listed in the NPPES registry for Christopher Grudowski is (315) 493-4180.
- Does Christopher Grudowski accept Medicare?
- Christopher Grudowski is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Christopher Grudowski's NPI active?
- Yes — Christopher Grudowski's NPI (1821104647) 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.