Arjun Mohandas, M.D.
NPI 1639123573 · Internal Medicine Physician · Lockhart, TX
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Arjun Mohandas, M.D. is a Internal Medicine Physician provider in Lockhart, TX (NPI 1639123573).
Provider details
- NPI number
- 1639123573
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- K6655 (TX)
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
579 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 Straightforward Or Low Level of Medical Decision Making, Per Day, If Using Time, at Least 25 Minutes99231 | 184 | $47 |
| Hospital Discharge Day Management, More Than 30 Minutes99239 | 137 | $108 |
| Initial Hospital Care With Straightforward Or Low Level of Medical Decision Making, Per Day, If Using Time, at Least 40 Minutes99221 | 118 | $79 |
| Subsequent Nursing Facility Care With Straightforward Level of Medical Decision Making, Per Day, If Using Time, at Least 10 Minutes99307 | 33 | $38 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 24 | $110 |
| Initial Hospital Care With Moderate Level of Medical Decision Making, If Using Time, at Least 75 Minutes |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 146 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 787 | 216 |
| Levothyroxine Sodium | 478 | 121 |
| Amlodipine Besylate | 446 | 131 |
| Gabapentin | 406 | 106 |
| Losartan Potassium | 392 | 106 |
| Lisinopril | 349 | 95 |
| Metformin Hcl |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$106 across 5 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
- 2006-05-22
- Last updated
- 2012-12-11
Frequently asked questions
- What is Arjun Mohandas's NPI number?
- Arjun Mohandas's National Provider Identifier (NPI) is 1639123573, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Arjun Mohandas's specialty?
- Arjun Mohandas is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Arjun Mohandas located?
- Arjun Mohandas's practice location on file with NPPES is 209 S Church St, Lockhart, TX 78644-2713.
- What is Arjun Mohandas's phone number?
- The practice phone number listed in the NPPES registry for Arjun Mohandas is (512) 376-2999.
- Does Arjun Mohandas accept Medicare?
- Arjun Mohandas is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Arjun Mohandas's NPI active?
- Yes — Arjun Mohandas's NPI (1639123573) is active in the NPPES registry as of the last update on 2012-12-11.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.