Muthu Arunachalam, M.D.,
NPI 1457497356 · Geriatric Medicine (Internal Medicine) Physician · Livingston, NJ
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Muthu Arunachalam, M.D., is a Geriatric Medicine (Internal Medicine) Physician provider in Livingston, NJ (NPI 1457497356).
Provider details
- NPI number
- 1457497356
- Entity type
- Individual
- Primary specialty
- Geriatric Medicine (Internal Medicine) PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.,
- Sex
- Male
- Sole proprietor
- Yes
- License
- MA71577 (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
19 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
89 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) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 75 | $140 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 14 | $198 |
Typical Medicare-allowed amounts for these services range $140–$198 (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 · 95 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 291 | 54 |
| Amlodipine Besylate | 237 | 46 |
| Losartan Potassium | 171 | 30 |
| Levothyroxine Sodium | 165 | 22 |
| Furosemide | 152 | 23 |
| Apixabanbrand: Eliquis | 135 | 28 |
| Metoprolol Tartrate |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$109 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
- 2007-01-29
- Last updated
- 2013-05-09
Frequently asked questions
- What is Muthu Arunachalam's NPI number?
- Muthu Arunachalam's National Provider Identifier (NPI) is 1457497356, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Muthu Arunachalam's specialty?
- Muthu Arunachalam is listed in the NPPES registry with a primary specialty of Geriatric Medicine (Internal Medicine) Physician (Allopathic & Osteopathic Physicians).
- Where is Muthu Arunachalam located?
- Muthu Arunachalam's practice location on file with NPPES is 22 Old Short Hills Rd, Livingston, NJ 07039-5604.
- What is Muthu Arunachalam's phone number?
- The practice phone number listed in the NPPES registry for Muthu Arunachalam is (973) 994-0899.
- Does Muthu Arunachalam accept Medicare?
- Muthu Arunachalam is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Muthu Arunachalam's NPI active?
- Yes — Muthu Arunachalam's NPI (1457497356) is active in the NPPES registry as of the last update on 2013-05-09.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.