Manju Joseph, M.D.
NPI 1881601664 · Internal Medicine Physician · Naperville, IL
Enrolled with Medicare as Practitioner - Hospitalist · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Manju Joseph, M.D. is a Internal Medicine Physician provider in Naperville, IL (NPI 1881601664).
Provider details
- NPI number
- 1881601664
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- No
- License
- 036113444 (IL)
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
20 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
1,247 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) |
|---|---|---|
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 733 | $82 |
| Initial Hospital Care With Moderate Level of Medical Decision Making, If Using Time, at Least 75 Minutes99223 | 222 | $181 |
| Hospital Discharge Day Management, More Than 30 Minutes99239 | 172 | $119 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 71 | $122 |
| Critical Care, First 30-74 Minutes99291 | 34 | $225 |
| Initial Hospital Care With Straightforward Or Low-Level Medical Decision Making, If Using Time, at Least 55 Minutes99222 | 15 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-08-02
- Last updated
- 2021-03-13
- Certified
- 2021-03-13
Frequently asked questions
- What is Manju Joseph's NPI number?
- Manju Joseph's National Provider Identifier (NPI) is 1881601664, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Manju Joseph's specialty?
- Manju Joseph is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Manju Joseph located?
- Manju Joseph's practice location on file with NPPES is 801 S Washington St,, Naperville, IL 60540-7430.
- What is Manju Joseph's phone number?
- The practice phone number listed in the NPPES registry for Manju Joseph is (630) 527-3000.
- Does Manju Joseph accept Medicare?
- Manju Joseph is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Manju Joseph's NPI active?
- Yes — Manju Joseph's NPI (1881601664) is active in the NPPES registry as of the last update on 2021-03-13.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.