Nathan Greczek, D.O.
NPI 1255654539 · Family Medicine Physician · Peckville, PA
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Nathan Greczek, D.O. is a Family Medicine Physician provider in Peckville, PA (NPI 1255654539).
Provider details
- NPI number
- 1255654539
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- D.O.
- Sex
- Male
- Sole proprietor
- No
- License
- OS016556 (PA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
16 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
877 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 | 346 | $124 |
| Remote Monitoring of Physiologic Parameters, Initial Supply of Devices With Daily Recordings Or Programmed Alerts Transmission, Each 30 Days99454 | 212 | $44 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 97 | $125 |
| Management Using the Results of Remote Vital Sign Monitoring Per Calendar Month, First 20 Minutes99457 | 85 | $47 |
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 52 | $9 |
| Administration of Influenza Virus VaccineG0008 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 162 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 670 | 160 |
| Lisinopril | 473 | 112 |
| Alprazolam | 423 | 77 |
| Levothyroxine Sodium | 359 | 77 |
| Gabapentin | 326 | 60 |
| Albuterol Sulfatebrand: Albuterol Sulfate Hfa | 321 | 78 |
| Furosemide |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$3,885 across 230 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
- 2010-03-01
- Last updated
- 2021-08-03
- Certified
- 2021-08-03
Frequently asked questions
- What is Nathan Greczek's NPI number?
- Nathan Greczek's National Provider Identifier (NPI) is 1255654539, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Nathan Greczek's specialty?
- Nathan Greczek is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Nathan Greczek located?
- Nathan Greczek's practice location on file with NPPES is 1400 Main St, Peckville, PA 18452-2009.
- What is Nathan Greczek's phone number?
- The practice phone number listed in the NPPES registry for Nathan Greczek is (570) 383-0236.
- Does Nathan Greczek accept Medicare?
- Nathan Greczek is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Nathan Greczek's NPI active?
- Yes — Nathan Greczek's NPI (1255654539) is active in the NPPES registry as of the last update on 2021-08-03.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.