DR. TOMAS H. AYALA MD
NPI 1639108145
Internal Medicine - Cardiovascular Disease in Baltimore, MD

Q: What is Tomas Ayala's NPI number?

The NPI number for Tomas Ayala is 1639108145. It was assigned to this individual provider in the NPPES registry on June 30, 2006.

Q: What is Tomas Ayala's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Cardiovascular Disease, with taxonomy code 207RC0000X.

Q: When was this NPI record last updated?

The NPPES record for Tomas Ayala was last updated on January 16, 2025. NPI Profile syncs with the weekly NPPES data releases published by CMS.

Active since June 30, 2006PECOS EnrolledAccepts Medicare Assignment

83.33/100

CMS Quality Rating

301 ST PAUL PLACE, BURK BLDG STE 310, BALTIMORE, MD 21202(410) 332-9752(410) 332-0626 Get Directions Write a Review

NPPES record last updated: January 16, 2025. Verified against the NPPES registry weekly; last sync: July 26, 2026.

On this page

About Dr. Tomas H. Ayala Md NPPES

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

DR. TOMAS H. AYALA MD (NPI 1639108145) is an individual cardiovascular disease provider in Baltimore, Maryland, licensed in Maryland (D0058914) and active in the NPI registry since June 2006. He is enrolled in Medicare PECOS, is affiliated with Mercy Medical Center Inc, and is a graduate of George Washington University School Of Medicine (1999).

NPPES Registry Identity

NPI1639108145

Entity TypeIndividualMale

Primary Taxonomy207RC0000X

Provider Legal NameDR. TOMAS H. AYALACredential: MD

Location Address301 ST PAUL PLACE, BURK BLDG STE 310Baltimore, MD 21202

Mailing Address301 St Paul Place, Burk Bldg Ste 310Baltimore, MD 21202 · (410) 332-9752 · Fax (410) 332-0626

Phone(410) 332-9752

Fax(410) 332-0626

Sole ProprietorNo

Medical School CMSGeorge Washington University School Of MedicineGraduated 1999

Enumeration DateJune 30, 2006

Last NPPES UpdateJanuary 16, 2025

✔ NPI 1639108145 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · Cardiovascular DiseaseAllopathic & Osteopathic Physicians

Taxonomy Code207RC0000X

License✔ Licensed in MD · D0058914

Definition

An internist who specializes in diseases of the heart and blood vessels and manages complex cardiac conditions such as heart attacks and life-threatening, abnormal heartbeat rhythms.

301 ST PAUL PLACE, Baltimore, MD 21202

Open in Google Maps ↗

Other Identifiers 2

OtherP00365054MD · Railroad Medicare

Medicaid410705500MD

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. Tomas H. Ayala Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID6507862372

PECOS Enrollment IDI20061018000653

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.

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.

Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only 93010

A routine electrocardiogram (ECG) with 12 leads is a simple, non-invasive test that records the electrical activity of your heart. It helps in identifying heart conditions by detecting irregularities in your heart rhythms. The results are interpreted and a report is provided.

1,120 services881 patients

Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report 93000

An electrocardiogram (ECG) is a non-invasive test that records your heart's electrical activity. Using 12 leads attached to your body, it captures data to help identify heart conditions. A doctor interprets the results and provides a report.

568 services401 patients

Established patient office or other outpatient visit, 30-39 minutes 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.

550 services347 patients

Established patient office or other outpatient visit, 30-39 minutes 99214

437 services275 patients

Ultrasound of heart with color-depicted blood flow, rate, direction and valve function 93306

This is a heart ultrasound, also known as an echocardiogram. It uses sound waves to create pictures of your heart, showing how blood flows through it. The color depicts the blood flow's speed and direction. It also checks the heart's valves to ensure they're working properly.

395 services386 patients

Established patient office or other outpatient visit, 20-29 minutes 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.

267 services207 patients

Ultrasound of heart with color-depicted blood flow, rate, direction and valve function 93306

192 services189 patients

Exercise or drug-induced heart stress test with electrocardiogram (ecg) with supervision by physician 93016

An exercise or drug-induced heart stress test with ECG involves monitoring your heart's activity while it's under stress, either from exercise or medication. A doctor supervises the entire procedure to ensure safety and accuracy in results. This test helps detect heart problems.

153 services153 patients

Ultrasound of heart with color-depicted blood flow, rate and valve function 93325

An ultrasound of the heart, also known as an echocardiogram, uses sound waves to create pictures of your heart. It shows the structure, movement, and blood flow within your heart. This helps assess the heart's health and function, including the valves and rate.

121 services119 patients

Exercise or drug-induced heart stress test with electrocardiogram (ecg) with review by physician 93018

An exercise or drug-induced heart stress test with ECG is a procedure to assess how your heart functions under stress. It can involve exercising or medication to make your heart work harder while an ECG records its activity. A physician reviews the results.

118 services118 patients

Ultrasound of heart blood flow, valves and chambers 93320

An ultrasound of your heart, also known as an echocardiogram, is a test that uses sound waves to create detailed images of your heart. It helps doctors check the health of your heart's chambers, valves, and blood flow.

118 services116 patients

Ultrasound of heart with continuous electrocardiogram (ecg) during rest, exercise and/or drug induced stress with review and report 93351

This procedure involves using ultrasound technology to create images of your heart while you rest, exercise, or undergo drug-induced stress. An ECG continuously monitors your heart's electrical activity. It helps doctors assess heart health and function.

118 services116 patients

Established patient office or other outpatient visit, 20-29 minutes 99213

118 services96 patients

New patient office or other outpatient visit, 45-59 minutes 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.

110 services110 patients

Ultrasound of heart with color-depicted blood flow, rate and valve function 93325

55 services55 patients

Ultrasound of heart blood flow, valves and chambers 93320

41 services41 patients

New patient office or other outpatient visit, 45-59 minutes 99204

37 services37 patients

Ultrasound of heart during rest, exercise and/or drug-induced stress with report 93350

This procedure involves using ultrasound imaging to view your heart at rest, during exercise, and/or under drug-induced stress. It helps assess how well your heart responds to exertion. A report of the findings is provided after the test.

35 services35 patients

Evaluation of single, dual, multiple lead or leadless pacemaker system, remote up to 90 days 93294

This procedure evaluates your pacemaker system remotely for up to 90 days. It checks whether single, dual, multiple lead, or leadless pacemakers are working properly. It's a safe, convenient way to ensure your heart device is functioning optimally.

34 services17 patients

Initial hospital inpatient care per day, typically 50 minutes 99222

Initial hospital inpatient care is a service where a healthcare provider spends about 50 minutes per day overseeing your care while you're admitted in the hospital. This includes reviewing your health status, planning your treatment, and ensuring your safety and comfort.

31 services30 patients

Heart rhythm recording of continous external ekg over 8-15 days 93246

A heart rhythm recording is a non-invasive procedure where a small device, attached externally, monitors your heart's electrical activity for 8-15 days. It helps detect irregular heart rhythms, assess heart rate, and guide treatment decisions. It's safe, painless, and can be done during normal daily activities.

28 services28 patients

Heart rhythm review and interpretation of continous external ekg over 8-15 days 93248

This service involves wearing a device for 8-15 days that continuously records your heart's electrical activity. It helps in identifying irregular heart rhythms. The recorded data is then reviewed and interpreted by a healthcare professional for any abnormalities.

28 services28 patients

Heart rhythm recording continous external ekg over more than 48 hours up to 7 days 93242

This procedure involves wearing a device, an external EKG, for up to 7 days to continuously monitor your heart rhythm. It helps detect irregularities that may not occur during a standard EKG. The device is non-invasive and safe.

25 services25 patients

Heart rhythm review, and interpretation of continous external ekg over more than 48 hours up to 7 days 93244

A heart rhythm review involves monitoring your heart's electrical activity for more than 48 hours up to 7 days. Using a device called an external EKG, doctors can track your heartbeats to detect irregularities and help diagnose heart conditions.

25 services25 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.

21 services20 patients

Follow-up hospital inpatient care per day, typically 25 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.

21 services16 patients

Evaluation of single, dual, multiple lead or leadless pacemaker system 93288

An evaluation of a pacemaker system examines how well your heart device is working. Single, dual, multiple lead, or leadless refers to the wires that deliver electrical pulses from the pacemaker to your heart. This check ensures your heart is receiving the right amount of support from the device.

17 services13 patients

Heart rhythm review, and interpretation of continous external ekg over more than 48 hours up to 7 days 93244

14 services14 patients

Ultrasound of heart blood flow, valves and chambers, follow-up 93321

This procedure, an echocardiogram, uses sound waves to create images of your heart. It aids in assessing your heart's blood flow, chambers, and valves. It's a follow-up procedure, ensuring that your heart is functioning properly post-treatment.

13 services13 patients

New patient office or other outpatient visit, 60-74 minutes 99205

This is a first-time patient visit where a healthcare professional spends 60-74 minutes with you. It involves a comprehensive evaluation, including your medical history and current health condition. They'll also advise on preventive health measures and formulate a treatment plan if needed.

13 services13 patients

Established patient office or other outpatient visit, 40-54 minutes 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.

13 services13 patients

Initial hospital inpatient care per day, typically 70 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.

12 services12 patients

Hospital Affiliations CMS Care Compare 2

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Mercy Medical Center Inc

Acute Care Hospitals · Baltimore, MD

4/5 CMS rating

OwnershipVoluntary non-profit - Church

CMS Certification Number210008

Location301 Saint Paul PlaceBaltimore, MD 21202 · Baltimore City County

Emergency services Birthing friendly

University Of MD Baltimore Washington Medical Center

Acute Care Hospitals · Glen Burnie, MD

3/5 CMS rating

OwnershipVoluntary non-profit - Other

CMS Certification Number210043

Location301 Hospital DriveGlen Burnie, MD 21061 · Anne Arundel County

Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 21202 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

$139.05 typical visit price

range $60.73 – $183.44

Typical copayment $34.76 (range $15.18 – $45.86)

Most-billed visit code 99204

Established Patient

$75.47 typical visit price

range $19.60 – $149.17

Typical copayment $18.86 (range $4.90 – $37.29)

Most-billed visit code 99213

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.

83.33/100

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

Scored as part of a group practice

Quality

69.7

Promoting Interoperability

100

Improvement Activities

Other Providers at the Same Location NPPES 20

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

MRS. MARA VUCICH DO

Physical Medicine & Rehabilitation

301 ST PAUL PLACE
BALTIMORE, MD 21202

Baltimore City (410) 539-3434

ELLIOTT M BADDER MD

Surgery (Vascular Surgery)

301 ST PAUL PLACE, 5TH FLOOR
BALTIMORE, MD 21202

Baltimore City (410) 332-9404

MICHELLE K BRAUN PA

Physician Assistant

301 ST PAUL PLACE, 5TH FLOOR
BALTIMORE, MD 21202

Baltimore City (410) 332-9404

MOHAMMAD INAYATULLAH MD PA

Internal Medicine (Gastroenterology)

301 ST PAUL PLACE, SUITE 620
BALTIMORE, MD 21202

Baltimore City (410) 727-5447

MICHAEL JEFFREY RICHMAN MD

Obstetrics & Gynecology

301 ST PAUL PLACE, SUITE 601
BALTIMORE, MD 21202

Baltimore City (410) 547-0275

SHERRY HOLIFIELD CRNP

Nurse Practitioner (Neonatal)

301 ST PAUL PLACE, NICU/PEDS
BALTIMORE, MD 21202

Baltimore City (410) 332-9596

CAROL S DEAN CRNP

Nurse Practitioner

301 ST PAUL PLACE, NICU/PEDS
BALTIMORE, MD 21202

Baltimore City (410) 332-9596

VICKIE Y MAENNER CRNP

Nurse Practitioner (Neonatal)

301 ST PAUL PLACE, NICU/PEDS
BALTIMORE, MD 21202

Baltimore City (410) 332-9596

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 Tomas Ayala's NPI number?

The NPI number for Tomas Ayala is 1639108145. It was assigned to this individual provider in the NPPES registry on June 30, 2006.

Where is Tomas Ayala located?

Tomas Ayala practices at 301 St Paul Place Burk Bldg Ste 310, Baltimore, MD 21202. The listed phone number is (410) 332-9752.

What is Tomas Ayala's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Cardiovascular Disease, with taxonomy code 207RC0000X.

Is Tomas Ayala enrolled in Medicare?

Yes. Tomas Ayala is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Is Tomas Ayala affiliated with any hospitals?

According to CMS data, Tomas Ayala is affiliated with Mercy Medical Center Inc and University Of MD Baltimore Washington Medical Center.

When was this NPI record last updated?

The NPPES record for Tomas Ayala was last updated on January 16, 2025. NPI Profile syncs with the weekly NPPES data releases published by CMS.