Viswanath Malladi, M.D
NPI 1588845572 · Hospitalist Physician · Summit, NJ
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Viswanath Malladi, M.D is a Hospitalist Physician provider in Summit, NJ (NPI 1588845572).
Provider details
- NPI number
- 1588845572
- Entity type
- Individual
- Primary specialty
- Hospitalist PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D
- Sex
- Male
- Sole proprietor
- No
- License
- 25MA08646400 (NJ)
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
18 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
1,524 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 35 Minutes99232 | 729 | $83 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 440 | $124 |
| Hospital Discharge Day Management, More Than 30 Minutes99239 | 282 | $121 |
| Initial Hospital Care With Straightforward Or Low-Level Medical Decision Making, If Using Time, at Least 55 Minutes99222 | 39 | $136 |
| Initial Hospital Care With Moderate Level of Medical Decision Making, If Using Time, at Least 75 Minutes99223 | 34 | $183 |
Typical Medicare-allowed amounts for these services range $83–$183 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, 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 · 9 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Pantoprazole Sodium | 28 | 28 |
| Tramadol Hcl | 22 | 21 |
| Oxycodone Hcl | 20 | 20 |
| Amoxicillin/Potassium Clavbrand: Amoxicillin-Clavulanate Potass | 16 | 16 |
| Cephalexin | 15 | 15 |
| Gabapentin | 14 | 12 |
| Tizanidine Hcl | 12 | 11 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$16 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
Additional practice locations (1)
- 100 Madison AveMorristown, NJ 07960-6136Phone: (973) 971-5000
Registry dates
- Enumerated
- 2007-11-18
- Last updated
- 2018-03-17
Frequently asked questions
- What is Viswanath Malladi's NPI number?
- Viswanath Malladi's National Provider Identifier (NPI) is 1588845572, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Viswanath Malladi's specialty?
- Viswanath Malladi is listed in the NPPES registry with a primary specialty of Hospitalist Physician (Allopathic & Osteopathic Physicians).
- Where is Viswanath Malladi located?
- Viswanath Malladi's practice location on file with NPPES is 99 Beauvoir Ave, Summit, NJ 07901-3533.
- What is Viswanath Malladi's phone number?
- The practice phone number listed in the NPPES registry for Viswanath Malladi is (908) 522-2000.
- Does Viswanath Malladi accept Medicare?
- Viswanath Malladi is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Viswanath Malladi's NPI active?
- Yes — Viswanath Malladi's NPI (1588845572) is active in the NPPES registry as of the last update on 2018-03-17.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.