Arun Haridas, MD, MRCPSYCH
NPI 1578881330 · Geriatric Psychiatry Physician · Concord, CA
Enrolled with Medicare as Practitioner - Geriatric Psychiatry · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Arun Haridas, MD, MRCPSYCH is a Geriatric Psychiatry Physician provider in Concord, CA (NPI 1578881330).
Provider details
- NPI number
- 1578881330
- Entity type
- Individual
- Primary specialty
- Geriatric Psychiatry PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD, MRCPSYCH
- Sex
- Male
- Sole proprietor
- No
- License
- A121503 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
16 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
396 Medicare services, 2024 (ranked within specialty)
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 methodology.
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) |
|---|---|---|
| Residence Visit for Established Patient With Moderate Level of Medical Decision Making, Per Day, If Using Time, at Least 40 Minutes99349 | 130 | $144 |
| Residence Visit for Established Patient With Low Level of Medical Decision Making, Per Day, If Using Time, at Least 30 Minutes99348 | 121 | $87 |
| Residence Visit for Established Patient With High Level of Medical Decision Making, Per Day, If Using Time, at Least 60 Minutes99350 | 85 | $209 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 36 | $214 |
| Residence Visit for Established Patient With Straightforward Medical Decision Making, Per Day, If Using Time, at Least 15 Minutes99347 | 24 | $51 |
Typical Medicare-allowed amounts for these services range $51–$214 (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 · 33 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Bupropion Hclbrand: Bupropion Xl | 104 | — |
| Benztropine Mesylate | 87 | 14 |
| Sertraline Hcl | 86 | 14 |
| Mirtazapine | 82 | 15 |
| Trazodone Hcl | 71 | 15 |
| Quetiapine Fumaratebrand: Quetiapine Fumarate Er | 55 | — |
| Aripiprazole |
Practice location
Mailing address
Registry dates
- Enumerated
- 2010-05-04
- Last updated
- 2012-10-25
Frequently asked questions
- What is Arun Haridas's NPI number?
- Arun Haridas's National Provider Identifier (NPI) is 1578881330, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Arun Haridas's specialty?
- Arun Haridas is listed in the NPPES registry with a primary specialty of Geriatric Psychiatry Physician (Allopathic & Osteopathic Physicians).
- Where is Arun Haridas located?
- Arun Haridas's practice location on file with NPPES is 2425 Bisso Ln, Concord, CA 94520-4897.
- What is Arun Haridas's phone number?
- The practice phone number listed in the NPPES registry for Arun Haridas is (925) 521-5625.
- Does Arun Haridas accept Medicare?
- Arun Haridas is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Arun Haridas's NPI active?
- Yes — Arun Haridas's NPI (1578881330) is active in the NPPES registry as of the last update on 2012-10-25.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.