Nalin Mallik, M.D.
NPI 1457667495 · Internal Medicine Physician · Covina, CA
Enrolled with Medicare as Practitioner - Hospitalist · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Nalin Mallik, M.D. is a Internal Medicine Physician provider in Covina, CA (NPI 1457667495).
Provider details
- NPI number
- 1457667495
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- A 113769 (CA)
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
15 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
6,211 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) |
|---|---|---|
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 4,541 | $126 |
| Critical Care, First 30-74 Minutes99291 | 1,267 | $224 |
| Initial Hospital Care With Moderate Level of Medical Decision Making, If Using Time, at Least 75 Minutes99223 | 181 | $185 |
| Critical Care, Each Additional 30 Minutes99292 | 90 | $113 |
| Test to Measure Lung Airway Sensitivity94070 | 37 | $29 |
| Aspiration of Fluid From Chest Cavity Using Imaging Guidance32555 | 36 | $112 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$214 across 1 record (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
- 2010-08-27
- Last updated
- 2011-09-27
Frequently asked questions
- What is Nalin Mallik's NPI number?
- Nalin Mallik's National Provider Identifier (NPI) is 1457667495, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Nalin Mallik's specialty?
- Nalin Mallik is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Nalin Mallik located?
- Nalin Mallik's practice location on file with NPPES is 420 W Rowland St, Covina, CA 91723-2943.
- What is Nalin Mallik's phone number?
- The practice phone number listed in the NPPES registry for Nalin Mallik is (626) 331-6411.
- Does Nalin Mallik accept Medicare?
- Nalin Mallik is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Nalin Mallik's NPI active?
- Yes — Nalin Mallik's NPI (1457667495) is active in the NPPES registry as of the last update on 2011-09-27.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.