Joseph Mun, MD
NPI 1588635940 · Internal Medicine Physician · Gurnee, IL
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Joseph Mun, MD is a Internal Medicine Physician provider in Gurnee, IL (NPI 1588635940).
Provider details
- NPI number
- 1588635940
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 036101358 (IL)
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
20 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
3,895 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 | 1,354 | $9 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 726 | $132 |
| Splitting of Blood Or Blood Products86985 | 725 | $78 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 331 | $93 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 292 | $133 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 |
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 | 1,128 | 303 |
| Amlodipine Besylate | 588 | 157 |
| Losartan Potassium | 505 | 133 |
| Levothyroxine Sodium | 475 | 113 |
| Rosuvastatin Calcium | 385 | 106 |
| Metformin Hcl | 331 | 100 |
| Metoprolol Succinate |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$1,699 across 99 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
- 2006-02-01
- Last updated
- 2021-12-28
- Certified
- 2021-12-28
Frequently asked questions
- What is Joseph Mun's NPI number?
- Joseph Mun's National Provider Identifier (NPI) is 1588635940, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Joseph Mun's specialty?
- Joseph Mun is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Joseph Mun located?
- Joseph Mun's practice location on file with NPPES is 1445 N Hunt Club Rd Ste 102, Gurnee, IL 60031-2603.
- What is Joseph Mun's phone number?
- The practice phone number listed in the NPPES registry for Joseph Mun is (847) 855-0300.
- Does Joseph Mun accept Medicare?
- Joseph Mun is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Joseph Mun's NPI active?
- Yes — Joseph Mun's NPI (1588635940) is active in the NPPES registry as of the last update on 2021-12-28.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.