JAMES A MAHER JR. MD
NPI 1497743165
Internal Medicine - Gastroenterology in Houston, TX

Q: What is James Maher's NPI number?

The NPI number for James Maher is 1497743165. It was assigned to this individual provider in the NPPES registry on October 7, 2005.

Q: What is James Maher's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Gastroenterology, with taxonomy code 207RG0100X.

Q: When was this NPI record last updated?

The NPPES record for James Maher was last updated on February 9, 2015. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 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 October 07, 2005PECOS EnrolledAccepts Medicare Assignment

75/100

CMS Quality Rating

19255 PARK ROW, SUITE 104, HOUSTON, TX 77084(281) 945-5190(281) 945-5194 Get Directions Write a Review

NPPES record last updated: February 9, 2015. Verified against the NPPES registry weekly; last sync: August 16, 2026.

On this page

About James A Maher Jr. Md NPPES

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

JAMES A MAHER JR. MD (NPI 1497743165) is an individual gastroenterology provider in Houston, Texas, licensed in Texas (F1131) and active in the NPI registry since October 2005. He is enrolled in Medicare PECOS, is affiliated with Memorial Hermann Katy Hospital, and is a graduate of Virginia Commonwealth University, School Of Medicine (1974).

NPPES Registry Identity

NPI1497743165

Entity TypeIndividualMale

Primary Taxonomy207RG0100X

Provider Legal NameJAMES A MAHER JR.Credential: MD

Location Address19255 PARK ROW, SUITE 104Houston, TX 77084-7309

Mailing Address19255 Park Row, Suite 104Houston, TX 77084-7309 · (281) 945-5190 · Fax (281) 945-5194

Phone(281) 945-5190

Fax(281) 945-5194

Sole ProprietorNo

Medical School CMSVirginia Commonwealth University, School Of MedicineGraduated 1974

Enumeration DateOctober 7, 2005

Last NPPES UpdateFebruary 9, 2015

✔ NPI 1497743165 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · GastroenterologyAllopathic & Osteopathic Physicians

Taxonomy Code207RG0100X

Licenses✔ Licensed in TX · F1131✔ Licensed in LA · 04775R

Definition

An internist who specializes in diagnosis and treatment of diseases of the digestive organs including the stomach, bowels, liver and gallbladder. This specialist treats conditions such as abdominal pain, ulcers, diarrhea, cancer and jaundice and performs complex diagnostic and therapeutic procedures using endoscopes to visualize internal organs.

19255 PARK ROW, Houston, TX 77084

Open in Google Maps ↗

Other Identifiers 2

Medicare UPIN8F8136TX

Medicare UPINB64638LA

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter from Arizona Complete Health, Ambetter from Arkansas Health & Wellness, Ambetter from Louisiana Healthcare Connections and more.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

James A Maher Jr. 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 ID1850312182

PECOS Enrollment IDI20051214000138

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.

Pathology examination of tissue using a microscope, intermediate complexity 88305

A pathology examination of tissue with intermediate complexity involves studying a small sample of your body tissue under a microscope. This helps in identifying any abnormal cells or signs of disease. It's a detailed process requiring expert analysis to ensure accurate results.

221 services80 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.

209 services131 patients

New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more 99203

This service involves an initial office or outpatient visit for a new patient. The healthcare professional will spend 30-44 minutes understanding your health history, current issues, and discussing possible treatment plans. It's a comprehensive evaluation to start your healthcare journey.

104 services104 patients

Special stained specimen slides to identify organisms including interpretation and report 88312

This service involves coloring specimen slides in a special way to help identify organisms. The colors make different parts of the organism stand out. Afterward, a detailed interpretation and report on the findings are provided.

94 services41 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.

94 services78 patients

Special stained specimen slides to examine tissue including interpretation and report 88313

Special stained specimen slides are used to examine tissue samples. This involves applying special dyes to the tissue, which helps to highlight certain features under a microscope. The findings are then interpreted and a report is provided. This can aid in diagnosing various health conditions.

86 services41 patients

Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope 43239

This procedure involves using a thin, flexible tube with a light and camera, known as an endoscope, to examine the esophagus, stomach, and upper part of the small intestine. Small tissue samples are taken for further examination to help diagnose various conditions.

79 services78 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.

70 services43 patients

Biopsy of large bowel using a flexible endoscope 45380

A biopsy of the large bowel using a flexible endoscope is a procedure where a thin, flexible tube with a camera is inserted through the rectum to examine the bowel. If abnormal tissue is found, a small sample is taken for further examination. This helps in diagnosing conditions like inflammation, polyps, or cancer.

69 services69 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.

68 services67 patients

Removal of polyps or growths of large bowel using an endoscope with mechanical snare 45385

This procedure involves using a thin, flexible tube called an endoscope to examine the large bowel. If any abnormal growths or polyps are found, a tool called a mechanical snare is used to remove them. This is a common method to prevent potential health issues.

24 services24 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.

17 services17 patients

Diagnostic exam of large bowel using a flexible endoscope 45378

This procedure, known as a colonoscopy, involves using a flexible tube with a light and camera to examine the large intestine. It helps detect any abnormalities such as polyps or inflammation. It's a standard procedure to ensure gut health.

14 services14 patients

Colorectal cancer screening; colonoscopy on individual not meeting criteria for high risk G0121

Colorectal cancer screening, such as a colonoscopy, is a preventive measure to detect early signs of cancer in the large intestine. For individuals not at high risk, it's typically recommended at age 50. A small, flexible tube with a camera is used to examine your colon. It's a safe, effective way to catch issues early.

14 services14 patients

Hospital Affiliations CMS Care Compare 2

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

Memorial Hermann Katy Hospital

Acute Care Hospitals · Katy, TX

4/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number450847

Location23900 Katy FreewayKaty, TX 77494 · Fort Bend County

Emergency services Birthing friendly

Townsen Memorial Hospital

Acute Care Hospitals · Humble, TX

OwnershipVoluntary non-profit - Private

CMS Certification Number670266

Location1475 Fm 1960 Bypass EHumble, TX 77338 · Harris County

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 77084 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

$102.71 typical visit price

range $18.60 – $143.93

Typical copayment $25.67 (range $4.65 – $35.98)

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.

75/100

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

Scored as part of a group practice

Reported Quality Measures

Care Plan

Percentage of patients aged 65 years and older who have an advance care plan or surrogate decision maker documented in the medical record that an advance care plan was discussed but the patient did not wish or was not able to name a surrogate decision maker…

100%636 patients5/55-star benchmark: 100%

Documentation of Current Medications in the Medical Record

Percentage of visits for patients aged 18 years and older for which the eligible professional or eligible clinician attests to documenting a list of current medications using all immediate resources available on the date of the encounter.

100%2,813 patients5/55-star benchmark: 100%

e-Prescribing

At least one permissible prescription written by the MIPS eligible clinician is queried for a drug formulary and transmitted electronically using certified EHR technology.

65%707 patients3/55-star benchmark: 100%

Health Information Exchange

The MIPS eligible clinician that transitions or refers their patient to another setting of care or health care clinician (1) uses CEHRT to create a summary of care record; and (2) electronically transmits such summary to a receiving health care clinician for…

1%510 patients1/55-star benchmark: 98%

Medication Reconciliation

The MIPS eligible clinician performs medication reconciliation for at least one transition of care in which the patient is transitioned into the care of the MIPS eligible clinician.

88%32 patients4/55-star benchmark: 100%

Patient-Specific Education

The MIPS eligible clinician must use clinically relevant information from CEHRT to identify patient-specific educational resources and provide access to those materials to at least one unique patient seen by the MIPS eligible clinician.

37%497 patients2/55-star benchmark: 100%

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

Percentage of patients aged 18 years and older with a BMI documented during the current encounter or during the previous twelve months AND with a BMI outside of normal parameters, a follow-up plan is documented during the encounter or during the previous…

66%1,704 patients3/55-star benchmark: 100%

Preventive Care and Screening: Unhealthy Alcohol Use: Screening & Brief Counseling

Percentage of patients aged 18 years and older who were screened for unhealthy alcohol use using a systematic screening method at least once within the last 24 months AND who received brief counseling if identified as an unhealthy alcohol user

82%636 patients4/55-star benchmark: 100%

Provide Patient Access

At least one patient seen by the MIPS eligible clinician during the performance period is provided timely access to view online, download, and transmit to a third party their health information subject to the MIPS eligible clinician's discretion to withhold…

100%497 patients5/55-star benchmark: 100%

Secure Messaging

For at least one unique patient seen by the MIPS eligible clinician during the performance period, a secure message was sent using the electronic messaging function of CEHRT to the patient (or the patient-authorized representative), or in response to a secure…

87%497 patients5/55-star benchmark: 79%

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.

Other Providers at the Same Location NPPES 9

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

GRACE MACKENZIE JOHNSON OTD, OTR/L

Occupational Therapist

19255 PARK ROW
HOUSTON, TX 77084

Harris County (346) 333-2794

TIMOTHY EBBA DIMALANTA

Occupational Therapy Assistant

19255 PARK ROW
HOUSTON, TX 77084

Harris County (832) 404-2649

INTEGRITY INPATIENT ASSOCIATES

Hospitalist

19255 PARK ROW, #205
HOUSTON, TX 77084

Harris County (281) 909-3083

HORIZON URGENT CARE, LLC

Clinic/Center (Urgent Care)

19255 PARK ROW, SUITE 105
HOUSTON, TX 77084

Harris County (832) 742-6012

GISSEL ZUNIGA

Specialist/Technologist (Speech-Language Assistant)

19255 PARK ROW
HOUSTON, TX 77084

Harris County (346) 333-2794

MONICA RAMOS

Specialist/Technologist (Speech-Language Assistant)

19255 PARK ROW
HOUSTON, TX 77084

Harris County (346) 333-2794

ATTA REHMAN MD

Psychiatry & Neurology (Neurology)

19255 PARK ROW, STE 101
HOUSTON, TX 77084

Harris County (281) 816-6455

ECO PHARMACY OF KATY WEST LLC

Exclusive Provider Organization

19255 PARK ROW, STE 103
HOUSTON, TX 77084

Harris County (281) 206-7388

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 James Maher's NPI number?

The NPI number for James Maher is 1497743165. It was assigned to this individual provider in the NPPES registry on October 7, 2005.

Where is James Maher located?

James Maher practices at 19255 Park Row Suite 104, Houston, TX 77084. The listed phone number is (281) 945-5190.

What is James Maher's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Gastroenterology, with taxonomy code 207RG0100X.

Is James Maher enrolled in Medicare?

Yes. James Maher 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 James Maher accept?

Health plans from Ambetter from Arizona Complete Health, Ambetter from Arkansas Health & Wellness, Ambetter from Louisiana Healthcare Connections, Ambetter from Superior HealthPlan and Ambetter of Oklahoma and 2 other insurers list James Maher 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 James Maher affiliated with any hospitals?

According to CMS data, James Maher is affiliated with Memorial Hermann Katy Hospital and Townsen Memorial Hospital.

When was this NPI record last updated?

The NPPES record for James Maher was last updated on February 9, 2015. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 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.