Doctor profile · Federal record

Dr. Maha Toma, M.D.

Internal Medicine Physician (CMS: Internal Medicine) · Internal Medicine Physician · Lafayette, CA

  • NPI 1427108125
  • Accepts Medicare
  • 41 yrs in practice
  • Licensed in 2 states
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
3466 Mt Diablo Blvd, Suite C-104
Lafayette, CA 945497106
(925) 284-4442
fax (925) 283-8687
Mailing address
Dept 34929, P.O. Box 39000
San Francisco, CA 941390001

Credentials & registration

NPPES · NUCC
NPI registered
January 2007 — 19 yrs on file
Profile last updated
August 27, 2013
Year of graduation
1985 — 41 yrs since
Specialty taxonomy
207R00000X — NUCC code
State licenses (2)
California #C51245 · Texas #K5229

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1427108125. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
1,350
Distinct HCPCS
10
Medicare allowed
$136,743
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 359 211 $109
99213 Established patient office or other outpatient visit, 20-29 minutes 268 198 $86
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit 210 210 $79
90677 Pneumococcal conjugate vaccine, 20 valent (pcv20), for intramuscular use 142 142 $281
G0009 Administration of pneumococcal vaccine 142 142 $36
G0008 Administration of influenza virus vaccine 66 65 $36
90694 Influenza vaccine, quadrivalent inactivated, 0.5 ml dosage 64 63 $76
93000 Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report 46 45 $17
99212 Established patient office or other outpatient visit, 10-19 minutes 20 19 $62
G0180 Physician or allowed practitioner certification for medicare-covered home health services under a home health plan of care (patient not present), including contacts with home health agency and review of reports of patient status required by physicians and 19 13 $63

In context: peer comparison

Among 3 peers in Lafayette Internal Medicine Physician, average services per provider: 108. This provider delivers 13× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$2,126
Transactions
51
Manufacturers
12
Payer (manufacturer) Industry Txns Amount
GlaxoSmithKline, LLC. 7 $476.88
Boehringer Ingelheim Pharmaceuticals, INC. 3 $340.42
Amgen INC. 5 $333.05
Bayer Healthcare Pharmaceuticals INC. 10 $327.00
Lilly USA, LLC 7 $249.70
Exact Sciences Corporation 5 $150.83
Sumitomo Pharma America, INC. 9 $140.17
Ipsen Biopharmaceuticals, INC 1 $34.25
Kyowa Kirin, INC. 1 $26.54
Salix Pharmaceuticals, A Division of Bausch Health US, LLC 1 $19.16
AstraZeneca Pharmaceuticals Lp 1 $14.12
Scilex Pharmaceuticals INC. 1 $14.04

By nature of payment

Food and Beverage
$2,126

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
1,596
Patients
497
Total drug cost
$23,349
Drug Type Claims Patients Total cost
Atorvastatin Calcium Generic 246 73 $3,041
Levothyroxine Sodium Generic 238 66 $4,395
Amlodipine Besylate Generic 220 67 $1,805
Losartan Potassium Generic 153 45 $2,457
Rosuvastatin Calcium Generic 153 49 $2,344
Lisinopril Generic 110 38 $1,011
Hydrochlorothiazide Generic 87 22 $664
Simvastatin Generic 67 21 $580
Gabapentin Generic 65 29 $1,111
Metformin Hcl Generic 56 19 $782

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Maha Toma's medical specialty?
Dr. Maha Toma practices Internal Medicine Physician in Lafayette, CA.
Where does Dr. Maha Toma practice?
Dr. Maha Toma practices at 3466 Mt Diablo Blvd, Lafayette, CA 945497106. Office phone: 9252844442.
What is Dr. Maha Toma's NPI?
Dr. Maha Toma's National Provider Identifier (NPI) is 1427108125, issued by NPPES.
Does Dr. Maha Toma accept Medicare assignment?
Yes. Dr. Maha Toma accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Maha Toma commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Established patient office or other outpatient visit (HCPCS 99213); Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (HCPCS G0439). Source: CMS Medicare Physician & Other Practitioners file.