Doctor profile · Federal record

Dr. Walcharee Mahamitra, D.O.

Family Medicine Physician (CMS: Family Practice) · Santa Monica, CA

  • NPI 1578599791
  • Accepts Medicare
  • 25 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1821 Wilshire Blvd Ste 301
Santa Monica, CA 904035679
(310) 221-6375
fax (310) 829-6352

Credentials & registration

NPPES · NUCC
NPI registered
June 2006 — 20 yrs on file
Profile last updated
April 16, 2021
Year of graduation
2001 — 25 yrs since
Specialty taxonomy
207Q00000X — NUCC code
State license (1)
California #20A8998

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1578599791. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
312
Distinct HCPCS
10
Medicare allowed
$25,927
HCPCS Description Services Patients Avg allowed
36415 Insertion of needle into vein for collection of blood sample 79 52 $8
99214 Established patient office or other outpatient visit, 30-39 minutes 69 50 $141
99213 Established patient office or other outpatient visit, 20-29 minutes 55 33 $100
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit 23 23 $144
99442 Telephone medical discussion with physician, 11-20 minutes 18 16 $100
93000 Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report 16 15 $16
99441 Telephone medical discussion with physician, 5-10 minutes 16 12 $63
G0008 Administration of influenza virus vaccine 13 13 $34
99215 Established patient office or other outpatient visit, 40-54 minutes 12 12 $197
90694 Influenza vaccine, quadrivalent inactivated, 0.5 ml dosage 11 11 $76

In context: peer comparison

Among 47 peers in this city , average services per provider: 65. This provider delivers 4.8× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$49
Transactions
2
Manufacturers
2
Payer (manufacturer) Industry Txns Amount
SK Life Science, Inc. 1 $25.15
Teva Pharmaceuticals USA, Inc. 1 $23.57

By nature of payment

Food and Beverage
$49

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
905
Patients
235
Total drug cost
$20,252
Drug Type Claims Patients Total cost
Atorvastatin Calcium Generic 205 60 $4,716
Lisinopril Generic 89 28 $1,054
Levothyroxine Sodium Generic 81 25 $2,009
Hydrochlorothiazide Generic 67 19 $438
Rosuvastatin Calcium Generic 55 19 $2,981
Metformin Hcl Generic 54 17 $743
Amlodipine Besylate Generic 53 13 $539
Losartan Potassium Generic 47 15 $1,204
Alendronate Sodium Generic 43 14 $610
Lorazepam Generic 43 13 $259

Frequently asked questions

Auto-generated from federal data
What is Dr. Walcharee Mahamitra's medical specialty?
Dr. Walcharee Mahamitra practices Family Medicine Physician in Santa Monica, CA.
Where does Dr. Walcharee Mahamitra practice?
Dr. Walcharee Mahamitra practices at 1821 Wilshire Blvd Ste 301, Santa Monica, CA 904035679. Office phone: 3102216375.
What is Dr. Walcharee Mahamitra's NPI?
Dr. Walcharee Mahamitra's National Provider Identifier (NPI) is 1578599791, issued by NPPES.
Does Dr. Walcharee Mahamitra accept Medicare assignment?
Yes. Dr. Walcharee Mahamitra accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Walcharee Mahamitra commonly perform?
Top Medicare-reported procedures in 2023: Insertion of needle into vein for collection of blood sample (HCPCS 36415); Established patient office or other outpatient visit (HCPCS 99214); Established patient office or other outpatient visit (HCPCS 99213). Source: CMS Medicare Physician & Other Practitioners file.