Jeffrey Hershkowitz, D.O.
NPI 1922101104 · Internal Medicine Physician · Galesburg, IL
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Jeffrey Hershkowitz, D.O. is a Internal Medicine Physician provider in Galesburg, IL (NPI 1922101104).
Provider details
- NPI number
- 1922101104
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- D.O.
- Sex
- Male
- Sole proprietor
- No
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
19 yrs in NPPES registry
- Profile completeness25% of score
83% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
28 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) |
|---|---|---|
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 15 | $9 |
| Initial Hospital Care With Moderate Level of Medical Decision Making, If Using Time, at Least 75 Minutes99223 | 13 | $168 |
Typical Medicare-allowed amounts for these services range $9–$168 (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 · 268 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 1,255 | 337 |
| Levothyroxine Sodium | 1,028 | 230 |
| Gabapentin | 674 | 151 |
| Lisinopril | 663 | 158 |
| Furosemide | 638 | 132 |
| Hydrocodone/Acetaminophenbrand: Hydrocodone-Acetaminophen | 570 | 113 |
| Omeprazole |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$3,750 across 84 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
- 2006-09-06
- Last updated
- 2007-07-08
Frequently asked questions
- What is Jeffrey Hershkowitz's NPI number?
- Jeffrey Hershkowitz's National Provider Identifier (NPI) is 1922101104, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Jeffrey Hershkowitz's specialty?
- Jeffrey Hershkowitz is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Jeffrey Hershkowitz located?
- Jeffrey Hershkowitz's practice location on file with NPPES is 3315 N Seminary St, Galesburg, IL 61401-1251.
- What is Jeffrey Hershkowitz's phone number?
- The practice phone number listed in the NPPES registry for Jeffrey Hershkowitz is (309) 344-1000.
- Does Jeffrey Hershkowitz accept Medicare?
- Jeffrey Hershkowitz is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Jeffrey Hershkowitz's NPI active?
- Yes — Jeffrey Hershkowitz's NPI (1922101104) 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.