Walcharee Mahamitra, D.O.
NPI 1578599791 · Family Medicine Physician · Santa Monica, CA
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Walcharee Mahamitra, D.O. is a Family Medicine Physician provider in Santa Monica, CA (NPI 1578599791).
Provider details
- NPI number
- 1578599791
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- D.O.
- Sex
- Female
- Sole proprietor
- No
- License
- 20A8998 (CA)
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
304 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 | 86 | $139 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 58 | $99 |
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 33 | $9 |
| Telephone Medical Discussion With Physician, 5-10 Minutes99441 | 29 | $62 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 29 | $141 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 44 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 181 | 55 |
| Lisinopril | 103 | 33 |
| Rosuvastatin Calcium | 79 | 25 |
| Losartan Potassium | 73 | 24 |
| Hydrochlorothiazide | 71 | 18 |
| Levothyroxine Sodium | 65 | 21 |
| Amlodipine Besylate |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$49 across 2 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
- 2006-06-23
- Last updated
- 2021-04-16
- Certified
- 2021-04-16
Frequently asked questions
- What is Walcharee Mahamitra's NPI number?
- Walcharee Mahamitra's National Provider Identifier (NPI) is 1578599791, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Walcharee Mahamitra's specialty?
- Walcharee Mahamitra is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Walcharee Mahamitra located?
- Walcharee Mahamitra's practice location on file with NPPES is 1821 Wilshire Blvd Ste 301, Santa Monica, CA 90403-5679.
- What is Walcharee Mahamitra's phone number?
- The practice phone number listed in the NPPES registry for Walcharee Mahamitra is (310) 221-6375.
- Does Walcharee Mahamitra accept Medicare?
- Walcharee Mahamitra is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Walcharee Mahamitra's NPI active?
- Yes — Walcharee Mahamitra's NPI (1578599791) is active in the NPPES registry as of the last update on 2021-04-16.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.