RONALD L MAAG M.D.
NPI 1982998183
Internal Medicine - Cardiovascular Disease in Houston, TX

Active since June 06, 2011PECOS EnrolledAccepts Medicare Assignment
91.34/100
CMS Quality Rating
7200 CAMBRIDGE ST FL 6, HOUSTON, TX 77030(713) 798-2545 Get Directions Write a Review

NPPES record last updated: August 15, 2022. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Aug 15, 2022, Jan 26, 2022, Jan 13, 2022 and 2 more (5 updates tracked since 2017).

About Ronald L Maag M.d. NPPES

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

RONALD L MAAG M.D. (NPI 1982998183) is an individual cardiovascular disease provider in Houston, Texas, licensed in Texas (R6435) and active in the NPI registry since June 2011. He is enrolled in Medicare PECOS, is affiliated with Chi St Luke's Health Brazosport, and maintains a secondary practice location in Hershey.

NPPES Registry Identity

NPI1982998183
Entity TypeIndividualMale
Primary Taxonomy207RC0000X
Provider Legal NameRONALD L MAAGCredential: M.D.
Location Address7200 CAMBRIDGE ST FL 6Houston, TX 77030-4202
Mailing Address7200 Cambridge St Fl 6Houston, TX 77030-4202 · (713) 798-2545
Sole ProprietorNo
Medical School CMSOtherGraduated 2011
Enumeration DateJune 6, 2011
Last NPPES UpdateAugust 15, 20225 updates tracked since enumeration
NPPES CertifiedAugust 15, 2022
NPI 1982998183 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

Primary SpecialtyInternal Medicine · Cardiovascular DiseaseAllopathic & Osteopathic Physicians
Taxonomy Code207RC0000X
Licenses Licensed in TX · R6435 Licensed in PA · MD454678
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.
Also ListedInternal MedicineTaxonomy 207R00000X · License MT199959 (PA)
Also ListedInternal Medicine · Critical Care MedicineTaxonomy 207RC0200X · License R6435 (TX)
7200 CAMBRIDGE ST FL 6, Houston, TX 77030

Secondary Practice Location 1

Location 1500 University DrHershey, PA 17033-2360 · Phone (717) 531-8407 · Fax (717) 531-4077

Accepted Insurance

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

Ronald L Maag M.d. 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 ID3577831254
PECOS Enrollment IDI20180910000346
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 14

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.
733 services593 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.
181 services179 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.
147 services99 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.
138 services138 patients
Injection, regadenoson, 0.1 mg J2785
Regadenoson injection, 0.1 mg, is a medication used to help visualize the heart during a stress test. It works by increasing blood flow in the arteries of the heart. It's injected into a vein and is generally well-tolerated.
104 services26 patients
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.
102 services43 patients

Hospital Affiliations CMS Care Compare 4

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

Chi St Luke's Health Brazosport

Acute Care Hospitals · Lake Jackson, TX
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number450072
Location100 Medical DriveLake Jackson, TX 77566 · Brazoria County
Emergency services

Chi St Luke's Health Baylor College Of Medicine Me

Acute Care Hospitals · Houston, TX
4/5 CMS rating
OwnershipVoluntary non-profit - Church
CMS Certification Number450193
Location6720 Bertner Ave, Ste Mc1-266Houston, TX 77030 · Harris County
Emergency services

Chi St Lukes Health Memorial Lufkin

Acute Care Hospitals · Lufkin, TX
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number450211
Location1201 West Frank StreetLufkin, TX 75901 · Angelina County
Emergency services Birthing friendly

St Luke's The Woodlands Hospital

Acute Care Hospitals · The Woodlands, TX
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number450862
Location17200 St Luke's WayThe Woodlands, TX 77384 · Montgomery County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 77030 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
$134.06 typical visit price
range $58.24 – $176.98
Typical copayment $33.51 (range $14.56 – $44.24)
Most-billed visit code 99204
Established Patient
$72.62 typical visit price
range $18.60 – $143.93
Typical copayment $18.15 (range $4.65 – $35.98)
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.

91.34/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored through an Alternative Payment Model
Quality81.64
Promoting Interoperability89.13
Improvement Activities40

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.

Nurse Practitioner
7200 CAMBRIDGE ST FL 6
HOUSTON, TX 77030
Thoracic Surgery (Cardiothoracic Vascular Surgery)
7200 CAMBRIDGE ST FL 6
HOUSTON, TX 77030
Internal Medicine (Cardiovascular Disease)
7200 CAMBRIDGE ST FL 6
HOUSTON, TX 77030
Internal Medicine
7200 CAMBRIDGE ST FL 6
HOUSTON, TX 77030
Internal Medicine (Advanced Heart Failure and Transplant Cardiology)
7200 CAMBRIDGE ST FL 6
HOUSTON, TX 77030
Surgery (Surgical Critical Care)
7200 CAMBRIDGE ST FL 6
HOUSTON, TX 77030
Internal Medicine (Cardiovascular Disease)
7200 CAMBRIDGE ST FL 6
HOUSTON, TX 77030
Internal Medicine (Infectious Disease)
7200 CAMBRIDGE ST FL 6
HOUSTON, TX 77030

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 Ronald Maag's NPI number?

The NPI number for Ronald Maag is 1982998183. It was assigned to this individual provider in the NPPES registry on June 6, 2011.

Where is Ronald Maag located?

Ronald Maag practices at 7200 Cambridge St Fl 6, Houston, TX 77030. The listed phone number is (713) 798-2545.

What is Ronald Maag's specialty?

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

Is Ronald Maag enrolled in Medicare?

Yes. Ronald Maag 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.

What insurance does Ronald Maag accept?

Health plans from Ambetter Health, Ambetter from Superior HealthPlan, Blue Cross and Blue Shield of Texas, Community Health Choice and UnitedHealthcare and 1 other insurer list Ronald Maag as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

Is Ronald Maag affiliated with any hospitals?

According to CMS data, Ronald Maag is affiliated with Chi St Luke's Health Brazosport, Chi St Luke's Health Baylor College Of Medicine Me, Chi St Lukes Health Memorial Lufkin and St Luke's The Woodlands Hospital.

When was this NPI record last updated?

The NPPES record for Ronald Maag was last updated on August 15, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.