Diwakar Lingam, M.D.
NPI 1952324311 · Hospitalist Physician · Roseville, CA
Enrolled with Medicare as Practitioner - Cardiovascular Disease (cardiology) · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Diwakar Lingam, M.D. is a Hospitalist Physician provider in Roseville, CA (NPI 1952324311).
Provider details
- NPI number
- 1952324311
- Entity type
- Individual
- Primary specialty
- Hospitalist PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 002662 (NY)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
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
5,929 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 | 1,369 | $135 |
| Ultrasound of Heart With Color-Depicted Blood Flow, Rate, Direction and Valve Function93306 | 657 | $215 |
| Technetium Tc-99m Tetrofosmin, Diagnostic, Per Study DoseA9502 | 469 | $95 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 468 | $189 |
| Routine Electrocardiogram (ecg) Using at Least 12 Leads With Interpretation and Report93000 | 416 | $15 |
| Ultrasound of Heart With Color-Depicted Blood Flow, Rate, Direction and Valve Function |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 57 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Apixabanbrand: Eliquis | 858 | 227 |
| Atorvastatin Calcium | 663 | 213 |
| Metoprolol Succinate | 582 | 187 |
| Losartan Potassium | 365 | 131 |
| Furosemide | 323 | 140 |
| Metoprolol Tartrate | 297 | 97 |
| Rosuvastatin Calcium |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$1,464 across 84 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
- 2006-07-26
- Last updated
- 2021-05-24
- Certified
- 2021-05-24
Frequently asked questions
- What is Diwakar Lingam's NPI number?
- Diwakar Lingam's National Provider Identifier (NPI) is 1952324311, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Diwakar Lingam's specialty?
- Diwakar Lingam is listed in the NPPES registry with a primary specialty of Hospitalist Physician (Allopathic & Osteopathic Physicians).
- Where is Diwakar Lingam located?
- Diwakar Lingam's practice location on file with NPPES is 2 Medical Plaza Dr Ste 175, Roseville, CA 95661-3049.
- What is Diwakar Lingam's phone number?
- The practice phone number listed in the NPPES registry for Diwakar Lingam is (603) 653-3305.
- Does Diwakar Lingam accept Medicare?
- Diwakar Lingam is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Diwakar Lingam's NPI active?
- Yes — Diwakar Lingam's NPI (1952324311) is active in the NPPES registry as of the last update on 2021-05-24.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.