Doctor profile · Federal record

Dr. Ming-Tyh Maa, M.D.

Pulmonary Disease Physician (CMS: Pulmonary Disease) · Critical Care Medicine (Internal Medicine) Physician · Walnut Creek, CA

  • NPI 1073718722
  • MIPS 92.7 / 100 · 2023
  • 22 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
2700 Ygnacio Valley RD Ste 100
Walnut Creek, CA 945983462
(925) 939-3050
fax (925) 939-3057

Credentials & registration

NPPES · NUCC
NPI registered
June 2007 — 19 yrs on file
Profile last updated
April 22, 2024
Year of graduation
2004 — 22 yrs since
Specialty taxonomy
207RP1001X — NUCC code
State license (1)
California #A111888

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1073718722. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
3,018
Distinct HCPCS
10
Medicare allowed
$378,257
HCPCS Description Services Patients Avg allowed
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 684 293 $130
99291 Critical care, first 30-74 minutes 544 246 $236
99214 Established patient office or other outpatient visit, 30-39 minutes 289 174 $127
76604 Ultrasound scan of chest 118 94 $31
99292 Critical care, each additional 30 minutes 116 88 $119
99443 Telephone medical discussion with physician, 21-30 minutes 106 65 $70
94726 Test to determine lung volumes using sensors 89 78 $71
94729 Test to examine how well the lungs exchange gases 89 78 $76
94618 Test for exercise-induced lung stress 88 77 $41
94060 Test to measure expiratory airflow and volume changes before and after medication administration 87 76 $51

In context: peer comparison

Among 9 peers in Walnut Creek Pulmonary Disease Physician, average services per provider: 80. This provider delivers 38× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$9,129
Transactions
62
Manufacturers
15
Payer (manufacturer) Industry Txns Amount
Intuitive Surgical, INC. 14 $4,863.03
Medical Device Business Services, INC. 8 $1,593.92
Inspire Medical Systems, INC. 13 $857.29
Olympus Corporation of the Americas 4 $647.95
Pulmonx Corporation 10 $373.48
AstraZeneca Pharmaceuticals Lp 3 $153.91
Siemens Medical Solutions USA, INC. 1 $143.18
Atricure, INC. 1 $130.52
Erbe USA INC 1 $118.00
Ethicon INC. 1 $97.97
Boehringer Ingelheim Pharmaceuticals, INC. 2 $48.91
United Therapeutics Corporation 1 $26.23
GlaxoSmithKline, LLC. 1 $25.80
Insmed, INC. 1 $25.62
Mallinckrodt Hospital Products INC. 1 $23.56

By nature of payment

Travel and Lodging
$3,033
Food and Beverage
$2,596
Education
$2,500
Compensation for Services Other Than Consulting, Including Serving As Faculty or As A Speaker at A Venue Other Than A Continuing Education Program
$1,000

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
565
Patients
100
Total drug cost
$498,155
Drug Type Claims Patients Total cost
Trelegy Ellipta (Fluticasone/Umeclidin/Vilanter) Brand 174 43 $152,348
Albuterol Sulfate Hfa (Albuterol Sulfate) Brand 45 24 $1,537
Montelukast Sodium Generic 45 0 $818
Anoro Ellipta (Umeclidinium Brm/Vilanterol Tr) Brand 38 0 $30,605
Breo Ellipta (Fluticasone/Vilanterol) Brand 38 0 $19,388
Symbicort (Budesonide/Formoterol Fumarate) Brand 38 0 $15,511
Prednisone Generic 31 22 $258
Wixela Inhub (Fluticasone Propion/Salmeterol) Brand 28 0 $7,121
Advair Diskus (Fluticasone Propion/Salmeterol) Brand 24 0 $13,744
Spiriva Respimat (Tiotropium Bromide) Brand 23 0 $12,983

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Ming-Tyh Maa's medical specialty?
Dr. Ming-Tyh Maa practices Pulmonary Disease Physician in Walnut Creek, CA.
Where does Dr. Ming-Tyh Maa practice?
Dr. Ming-Tyh Maa practices at 2700 Ygnacio Valley RD Ste 100, Walnut Creek, CA 945983462. Office phone: 9259393050.
What is Dr. Ming-Tyh Maa's NPI?
Dr. Ming-Tyh Maa's National Provider Identifier (NPI) is 1073718722, issued by NPPES.
Does Dr. Ming-Tyh Maa accept Medicare assignment?
Dr. Ming-Tyh Maa does not accept Medicare assignment for all services. Patients may be billed amounts beyond Medicare-allowed charges.
What procedures does Dr. Ming-Tyh Maa commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233); Critical care (HCPCS 99291); Established patient office or other outpatient visit (HCPCS 99214). Source: CMS Medicare Physician & Other Practitioners file.