DR. MING-TYH MAA M.D.
NPI 1073718722
Internal Medicine - Pulmonary Disease in Walnut Creek, CA

Q: What is Ming-tyh Maa's NPI number?

The NPI number for Ming-tyh Maa is 1073718722. It was assigned to this individual provider in the NPPES registry on June 20, 2007.

Q: What is Ming-tyh Maa's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Pulmonary Disease, with taxonomy code 207RP1001X.

Q: When was this NPI record last updated?

The NPPES record for Ming-tyh Maa was last updated on April 22, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.

Active since June 20, 2007PECOS Enrolled

99.92/100

CMS Quality Rating

2700 YGNACIO VALLEY RD STE 100, WALNUT CREEK, CA 94598(925) 939-3050(925) 939-3057 Get Directions Write a Review

NPPES record last updated: April 22, 2024. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Apr 22, 2024, Feb 27, 2019 (2 updates tracked since 2019).

On this page

About Dr. Ming-tyh Maa M.d. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. MING-TYH MAA M.D. (NPI 1073718722) is an individual pulmonary disease provider in Walnut Creek, California, licensed in California (A111888) and active in the NPI registry since June 2007. He is enrolled in Medicare PECOS and is a graduate of Eastern Virginia Medical School (2004).

NPPES Registry Identity

NPI1073718722

Entity TypeIndividualMale

Primary Taxonomy207RP1001X

Provider Legal NameDR. MING-TYH MAACredential: M.D.

Location Address2700 YGNACIO VALLEY RD STE 100Walnut Creek, CA 94598-3462

Mailing Address2700 Ygnacio Valley Rd Ste 100Walnut Creek, CA 94598-3462 · (925) 939-3050 · Fax (925) 939-3057

Phone(925) 939-3050

Fax(925) 939-3057

Sole ProprietorNo

Medical School CMSEastern Virginia Medical SchoolGraduated 2004

Enumeration DateJune 20, 2007

Last NPPES UpdateApril 22, 20242 updates tracked since enumeration

NPPES CertifiedApril 22, 2024

✔ NPI 1073718722 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal Medicine · Pulmonary DiseaseAllopathic & Osteopathic Physicians

Taxonomy Code207RP1001X

License✔ Licensed in CA · A111888

Definition

An internist who treats diseases of the lungs and airways. The pulmonologist diagnoses and treats cancer, pneumonia, pleurisy, asthma, occupational and environmental diseases, bronchitis, sleep disorders, emphysema and other complex disorders of the lungs.

Also ListedInternal Medicine · Critical Care MedicineTaxonomy 207RC0200X · License A111888 (CA)

2700 YGNACIO VALLEY RD STE 100, Walnut Creek, CA 94598

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Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Ming-tyh Maa M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID8628100757

PECOS Enrollment IDI20100724000182

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignments

Medicare enrollment records show Ming-tyh Maa reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Muir Pulmonary Critical Care

Same address

Pulmonary Disease

2700 YGNACIO VALLEY RD STE 100
Walnut Creek, CA 94598

Reassigned Medicare billing, California enrollment
15 clinicians in this Medicare group

NPI 1245225861 (925) 939-3050

John Muir Trauma Physicians Billing Service

1.5 mi

Trauma Surgery

1601 YGNACIO VALLEY RD
Walnut Creek, CA 94598

Reassigned Medicare billing, California enrollment
810 clinicians in this Medicare group

NPI 1962551861 (925) 947-5331

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Areas of Expertise CMS Part B claims 32

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 99233

Follow-up hospital inpatient care per day typically involves a 35-minute check-up by your healthcare provider. This service includes monitoring your health progress, adjusting your treatment plan if needed, and answering any questions you may have about your condition or care.

627 services280 patients

Critical care, first 30-74 minutes 99291

Critical care involves immediate and constant attention by a team of specially-trained health professionals. It's for patients with life-threatening conditions, requiring first 30-74 minutes of intense monitoring and treatment.

418 services211 patients

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214

This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.

413 services218 patients

Test to examine how well the lungs exchange gases 94729

This is a test called a pulmonary function test, which helps understand the efficiency of your lungs. It measures how much air your lungs can hold, how quickly you can move air in and out of your lungs, and how well your lungs put oxygen into and remove carbon dioxide from your blood.

132 services112 patients

Test to determine lung volumes using sensors 94726

This test, called spirometry, measures lung capacity using sensors. You breathe into a mouthpiece attached to a device that records the amount and rate of air you inhale and exhale. It helps diagnose and monitor lung conditions.

131 services112 patients

Test to measure expiratory airflow and volume changes before and after medication administration 94060

This procedure measures how air flows in and out of your lungs. It's done before and after medication to see if the treatment improves your breathing. It's a simple, non-invasive test that involves breathing into a device called a spirometer.

127 services108 patients

Test for exercise-induced lung stress 94618

An exercise-induced lung stress test assesses how your lungs respond to physical activity. During the test, you'll exercise on a treadmill or stationary bike while your heart rate, breathing, blood pressure, and oxygen levels are monitored. This helps identify any abnormal lung responses to exercise.

118 services103 patients

Ultrasound scan of chest 76604

An ultrasound scan of the chest is a non-invasive imaging procedure that uses sound waves to create pictures of the structures within your chest, such as your heart and lungs. It's a safe, painless method that helps doctors diagnose and monitor various conditions.

100 services82 patients

Telephone medical discussion with physician, 21-30 minutes 99443

This service involves a 21-30 minute phone conversation with a physician. It's a chance for you to discuss your health concerns, symptoms or treatment plans. It's similar to an in-person consultation, but conducted over the phone for your convenience and safety.

90 services59 patients

Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 99223

Initial hospital inpatient care per day, typically 70 minutes, refers to the daily medical service provided to patients admitted to the hospital. This includes a comprehensive evaluation, diagnosis, treatment plan, and monitoring of your health condition. It ensures your well-being during your hospital stay.

84 services77 patients

Critical care, each additional 30 minutes 99292

Critical care refers to special attention given to patients facing life-threatening conditions. Each additional 30 minutes indicates the extension of this specialized care. This might include close monitoring, medication adjustments, and immediate interventions as needed.

76 services59 patients

New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more 99204

This is a first-time office or outpatient visit lasting between 45-59 minutes. The healthcare provider evaluates your health, discusses your medical history, and may suggest further tests or treatments. It's an opportunity to ask questions and understand your health better.

67 services67 patients

Irrigation and suction of lung airways to obtain cells using an endoscope 31624

This is a procedure where a thin, flexible tube called an endoscope is inserted through your mouth into the lungs. A small amount of saline is then introduced to wash the airways. The fluid, along with cells from the lung, is suctioned back for analysis.

62 services57 patients

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 99232

Follow-up hospital inpatient care involves daily check-ups while you're admitted in the hospital. Typically, a healthcare provider spends about 25 minutes each day reviewing your condition, adjusting treatment if needed, and answering any questions you might have.

48 services42 patients

Use of a drug to induce depression of consciousness by physician performing a procedure (5 years or older), initial 15 minutes 99152

This procedure involves a doctor administering a medication to reduce your consciousness during a procedure. This helps in managing discomfort and anxiety. The initial application lasts for 15 minutes and is for individuals aged 5 years or older.

42 services39 patients

Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more 99215

This service involves a follow-up appointment for existing patients, lasting between 40 to 54 minutes. During this time, your healthcare provider will assess your current health status, discuss any changes or concerns, review your treatment plan, and answer any questions you may have.

38 services31 patients

Insertion of non-tunneled central venous tube for infusion (5 years or older) 36556

This procedure involves placing a thin tube into a large vein, usually in the neck or chest, to administer medication or fluids. It's done under local anesthesia to minimize discomfort. It's a standard, safe procedure for individuals aged 5 and above.

34 services29 patients

Removal of fluid from between lung and chest cavity 32551

This procedure, called thoracentesis, involves removing excess fluid from the space between your lung and chest wall. It can relieve pressure, help you breathe easier, and allow doctors to test the fluid to diagnose any potential conditions.

31 services28 patients

Aspiration of initial secretion of lung airway using an endoscope 31645

This procedure involves using a thin, flexible tube called an endoscope to collect initial secretions from your lung airway. This helps doctors diagnose and treat respiratory conditions. It's a safe, minimally invasive procedure.

27 services27 patients

Ultrasound scan of chest 76604

24 services18 patients

Computer-assisted image-guided navigation of lung airways using an endoscope 31627

This procedure involves the use of a special camera, called an endoscope, and computer technology to create real-time images of your lung airways. This helps doctors navigate through your lungs accurately, aiding in diagnosis or treatment.

23 services23 patients

Biopsy of lobe of lung using an endoscope, 1 lobe 31628

A lung biopsy is a procedure where a small piece of lung tissue is taken for testing. An endoscope, a flexible tube with a light and camera, is used. It's inserted through the mouth or nose, down the windpipe, and into one lobe of the lung.

23 services23 patients

Test to examine how well the lungs exchange gases 94729

23 services23 patients

Initial hospital care with same-day admission and discharge with moderate level of medical decision making, per day, if using time, at least 70 minutes 99235

This service involves a brief hospital stay for a moderate health issue. You'll be admitted and discharged on the same day, typically within 50 minutes. It's a quick, efficient way to receive necessary care and medical attention.

23 services23 patients

Ultrasound of heart, follow-up 93308

A follow-up ultrasound of the heart, also known as an echocardiogram, is a non-invasive test that uses sound waves to create images of your heart. It helps doctors monitor your heart's function and structures after initial assessment or treatment.

22 services22 patients

Test to determine lung volumes using sensors 94726

22 services22 patients

Needle biopsy of windpipe cartilage, airway, and/or lung using an endoscope 31629

A needle biopsy of windpipe cartilage, airway, or lung involves using a thin, flexible tube with a camera (endoscope) to access and collect tissue samples. This procedure helps doctors diagnose lung conditions or diseases effectively and safely.

19 services19 patients

Emergent insertion of breathing tube into windpipe using an endoscope 31500

This is a procedure where a thin tube is inserted into your windpipe to aid in breathing. It's done in emergency situations, using an endoscope, a tool with a light and camera, to ensure correct placement.

17 services16 patients

Insertion of artery tube for blood sampling or infusion through skin 36620

This procedure involves placing a small tube into an artery, usually in the wrist or elbow, to collect blood samples or administer medication. It's done under local anesthesia and is a common, safe practice.

16 services16 patients

Test to measure expiratory airflow and volume changes before and after medication administration 94060

15 services15 patients

Exam of lung airways and sampling of lymph nodes using an endoscope and ultrasound guidance, 3 or more lymph nodes 31653

This procedure involves using a special scope and ultrasound to examine your lung airways and sample tissue from 3 or more lymph nodes. It aids in diagnosing lung conditions and checking lymph node health.

14 services14 patients

Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213

This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.

14 services14 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 94598 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient

$153.83 typical visit price

range $69.00 – $202.35

Typical copayment $38.45 (range $17.25 – $50.58)

Most-billed visit code 99204

Established Patient

$119.48 typical visit price

range $23.44 – $166.46

Typical copayment $29.87 (range $5.86 – $41.61)

Most-billed visit code 99214

Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

99.92/100

MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program

Scored as part of a group practice

Quality

100

Promoting Interoperability

100

Improvement Activities

Cost

75.5

Reported Quality Measures

Breast Cancer Screening

76%75 patients4/55-star benchmark: 93%

Cervical Cancer Screening

38%37 patients2/55-star benchmark: 98%

Colorectal Cancer Screening

77%179 patients4/55-star benchmark: 88%

Controlling High Blood Pressure

80%157 patients4/55-star benchmark: 91%

Diabetes: Eye Exam

46%46 patients2/55-star benchmark: 100%

Diabetes: Hemoglobin A1c (HbA1c) Poor Control (>9%)

Lower rates are better for this measure.

13%46 patients4/55-star benchmark: 91%

Documentation of Current Medications in the Medical Record

82%1,005 patients4/55-star benchmark: 100%

e-Prescribing

95%155 patients3/55-star benchmark: 100%

Falls: Screening for Future Fall Risk

79%361 patients4/55-star benchmark: 100%

HIV Screening

39%116 patients3/55-star benchmark: 60%

Preventive Care and Screening: Body Mass Index (BMI) Screening and Follow-Up Plan

50%429 patients3/55-star benchmark: 98%

Preventive Care and Screening: Screening for Depression and Follow-Up Plan

70%308 patients3/55-star benchmark: 97%

Preventive Care and Screening: Tobacco Use: Screening and Cessation Intervention

Patients screened: 95% · 235 patients

93%235 patients

Provide Patients Electronic Access to Their Health Information

100%129 patients5/55-star benchmark: 100%

Statin Therapy for the Prevention and Treatment of Cardiovascular Disease

91%200 patients5/55-star benchmark: 91%

Providers report different measures because they deliver different services; reporting more or less information is not a reflection of quality. Star ratings appear only where CMS assigned them.

Referred Medical Equipment & Supplies CMS DME claims 23

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Tubing with integrated heating element for use with positive airway pressure device A4604

DME-Other DME · category DE001N

8 suppliers50 claims50 services$33.93 avg. paid by Medicare

Full face mask used with positive airway pressure device, each A7030

DME-Other DME · category DE001N

8 suppliers33 claims33 services$69.74 avg. paid by Medicare

Face mask interface, replacement for full face mask, each A7031

DME-Other DME · category DE001N

8 suppliers39 claims87 services$28.86 avg. paid by Medicare

Cushion for use on nasal mask interface, replacement only, each A7032

DME-Other DME · category DE001N

4 suppliers19 claims106 services$15.46 avg. paid by Medicare

Pillow for use on nasal cannula type interface, replacement only, pair A7033

DME-Other DME · category DE001N

6 suppliers22 claims107 services$13.29 avg. paid by Medicare

Nasal interface (mask or cannula type) used with positive airway pressure device, with or without head strap A7034

DME-Other DME · category DE001N

7 suppliers53 claims53 services$45.14 avg. paid by Medicare

Headgear used with positive airway pressure device A7035

DME-Other DME · category DE001N

11 suppliers60 claims60 services$16.11 avg. paid by Medicare

Chinstrap used with positive airway pressure device A7036

DME-Other DME · category DE001N

6 suppliers14 claims14 services$9.76 avg. paid by Medicare

Tubing used with positive airway pressure device A7037

DME-Other DME · category DE001N

7 suppliers28 claims28 services$12.14 avg. paid by Medicare

Filter, disposable, used with positive airway pressure device A7038

DME-Other DME · category DE001N

10 suppliers85 claims471 services$1.81 avg. paid by Medicare

Filter, non disposable, used with positive airway pressure device A7039

DME-Other DME · category DE001N

5 suppliers18 claims18 services$5.56 avg. paid by Medicare

Water chamber for humidifier, used with positive airway pressure device, replacement, each A7046

DME-Other DME · category DE001N

10 suppliers39 claims39 services$11.36 avg. paid by Medicare

Home ventilator, any type, used with invasive interface, (e.g., tracheostomy tube) E0465

DME-Other DME · category DE005N

1 supplier23 claims24 services$784.18 avg. paid by Medicare

Home ventilator, any type, used with non-invasive interface, (e.g., mask, chest shell) E0466

DME-Other DME · category DE005N

2 suppliers25 claims25 services$778.13 avg. paid by Medicare

High frequency chest wall oscillation system, with full anterior and/or posterior thoracic region receiving simultaneous external oscillation, includes all accessories and supplies, each E0483

DME-Other DME · category DE000N

1 supplier11 claims11 services$840.48 avg. paid by Medicare

Humidifier, heated, used with positive airway pressure device E0562

DME-Other DME · category DE001N

3 suppliers14 claims14 services$119.02 avg. paid by Medicare

Humidifier, heated, used with positive airway pressure device E0562

DME-Other DME · category DE001N

2 suppliers21 claims22 services$11.68 avg. paid by Medicare

Respiratory suction pump, home model, portable or stationary, electric E0600

DME-Other DME · category DE000N

1 supplier12 claims12 services$34.46 avg. paid by Medicare

Continuous positive airway pressure (cpap) device E0601

DME-Other DME · category DE001N

7 suppliers170 claims171 services$29.30 avg. paid by Medicare

Oxygen concentrator, single delivery port, capable of delivering 85 percent or greater oxygen concentration at the prescribed flow rate E1390

DME-Oxygen and Supplies · category DC002N

7 suppliers46 claims46 services$67.85 avg. paid by Medicare

Portable oxygen concentrator, rental E1392

DME-Oxygen and Supplies · category DC002N

5 suppliers43 claims43 services$32.53 avg. paid by Medicare

Albuterol, up to 2.5 mg and ipratropium bromide, up to 0.5 mg, fda-approved final product, non-compounded, administered through dme J7620

DME-Drugs Administered Through DME · category DG006N

3 suppliers14 claims1,590 services$0.09 avg. paid by Medicare

Pharmacy dispensing fee for inhalation drug(s); per 30 days Q0513

DME-Other DME · category DE000N

5 suppliers18 claims18 services$23.14 avg. paid by Medicare

Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

Other Providers at the Same Location NPPES 11

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

DR. VALA BERJIS M.D.

Internal Medicine (Pulmonary Disease)

2700 YGNACIO VALLEY RD STE 100
WALNUT CREEK, CA 94598

Contra Costa County (925) 939-3050

MUIR PULMONARY CRITICAL CARE

Internal Medicine (Pulmonary Disease)

2700 YGNACIO VALLEY RD STE 100
WALNUT CREEK, CA 94598

Contra Costa County (925) 939-3050

DR. MARYAM AMINI MD

Family Medicine

2700 YGNACIO VALLEY RD STE 100
WALNUT CREEK, CA 94598

Contra Costa County (925) 939-3050

DR. NICK SINA PAKZAD M.D.

Internal Medicine (Pulmonary Disease)

2700 YGNACIO VALLEY RD STE 100
WALNUT CREEK, CA 94598

Contra Costa County (925) 939-3050

DR. JIGAR PATEL M.D., M.P.H.

Internal Medicine (Pulmonary Disease)

2700 YGNACIO VALLEY RD STE 100
WALNUT CREEK, CA 94598

Contra Costa County (925) 939-3050

AMISH J SHAH M.D.

Internal Medicine (Pulmonary Disease)

2700 YGNACIO VALLEY RD STE 100
WALNUT CREEK, CA 94598

Contra Costa County (925) 939-3050

MARK SLOOTSKY M.D.

Internal Medicine (Pulmonary Disease)

2700 YGNACIO VALLEY RD STE 100
WALNUT CREEK, CA 94598

Contra Costa County (925) 939-3050

MR. MATTHEW ISAAC LYONS

Internal Medicine (Pulmonary Disease)

2700 YGNACIO VALLEY RD STE 100
WALNUT CREEK, CA 94598

Contra Costa County (925) 939-3050

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Ming-tyh Maa's NPI number?

The NPI number for Ming-tyh Maa is 1073718722. It was assigned to this individual provider in the NPPES registry on June 20, 2007.

Where is Ming-tyh Maa located?

Ming-tyh Maa practices at 2700 Ygnacio Valley Rd Ste 100, Walnut Creek, CA 94598. The listed phone number is (925) 939-3050.

What is Ming-tyh Maa's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Pulmonary Disease, with taxonomy code 207RP1001X.

Is Ming-tyh Maa enrolled in Medicare?

Yes. Ming-tyh Maa is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Ming-tyh Maa's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Ming-tyh Maa reassigns Medicare benefits to 2 organizations: Muir Pulmonary Critical Care (Walnut Creek, CA) and John Muir Trauma Physicians Billing Service (Walnut Creek, CA). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Ming-tyh Maa's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Ming-tyh Maa was last updated on April 22, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.