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DR. ANDRZEJ JERZY JANECKI M.D.
NPI 1871591263
Internal Medicine - Gastroenterology in Katy, TX

Active since July 11, 2005PECOS EnrolledAccepts Medicare Assignment
1331 W GRAND PARKWAY N, SUITE 350, KATY, TX 77493(281) 395-8688(281) 395-8480 Get Directions Write a Review

NPPES record last updated: November 9, 2007. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Dr. Andrzej Jerzy Janecki M.d. NPPES

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

DR. ANDRZEJ JERZY JANECKI M.D. (NPI 1871591263) is an individual gastroenterology provider in Katy, Texas, licensed in Texas (K3282) and active in the NPI registry since July 2005. He is enrolled in Medicare PECOS, is affiliated with Memorial Hermann Katy Hospital, and is a graduate of Other (1977).

NPPES Registry Identity

NPI1871591263
Entity TypeIndividualMale
Primary Taxonomy207RG0100X
Provider Legal NameDR. ANDRZEJ JERZY JANECKICredential: M.D.
Location Address1331 W GRAND PARKWAY N, SUITE 350Katy, TX 77493-2711
Mailing Address1331 W Grand Parkway N, Suite 350Katy, TX 77493-2711 · (281) 395-8688 · Fax (281) 395-8480
Phone(281) 395-8688
Fax(281) 395-8480
Sole ProprietorNo
Medical School CMSOtherGraduated 1977
Enumeration DateJuly 11, 2005
Last NPPES UpdateNovember 9, 2007
✔ NPI 1871591263 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · GastroenterologyAllopathic & Osteopathic Physicians
Taxonomy Code207RG0100X
License✔ Licensed in TX · K3282
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.
1331 W GRAND PARKWAY N, Katy, TX 77493
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Other Identifiers 2

Medicare UPING71203
Medicare PIN8179B1TX

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. Andrzej Jerzy Janecki 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 ID3072701820
PECOS Enrollment IDI20101221000909
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 Reassignment

Medicare enrollment records show Andrzej Janecki reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Andrzej J. Janecki MD PA
4.8 mi
Gastroenterology
18400 KATY FWY, PO BUILDING #1; SUITE 405
Houston, TX 77094
  • Reassigned Medicare billing, Texas enrollment
  • 2 clinicians in this Medicare group
NPI 1699226654 (281) 395-8688

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 4

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.

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.
96 services75 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.
93 services80 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.
34 services33 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.
27 services27 patients

Hospital Affiliations CMS Care Compare

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

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 77493 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.

Reported Quality Measures

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.
96%1,053 patients4/55-star benchmark: 99%
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…
5%550 patients1/55-star benchmark: 88%
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.
100%272 patients5/55-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.
84%656 patients4/55-star benchmark: 97%
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%656 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…
15%656 patients1/55-star benchmark: 89%
View, Download, or Transmit (VDT)
At least one patient seen by the MIPS eligible clinician during the performance period (or patient-authorized representative) views, downloads or transmits their health information to a third party during the performance period.
33%656 patients
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 3

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

DR. DOUGLAS KEITH FERNANDEZ M.D.
Internal Medicine (Gastroenterology)
1331 W GRAND PARKWAY N, SUITE 350
KATY, TX 77493
Harris County (281) 395-8688
CARSON T. LO MD PA
Internal Medicine (Infectious Disease)
1331 W GRAND PARKWAY N, SUITE 310
KATY, TX 77493
Harris County (281) 599-3222
DR. LINDA SITI YANCEY M.D.
Internal Medicine (Infectious Disease)
1331 W GRAND PARKWAY N, #310
KATY, TX 77493
Harris County (281) 599-3222

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 Andrzej Janecki's NPI number?

The NPI number for Andrzej Janecki is 1871591263. It was assigned to this individual provider in the NPPES registry on July 11, 2005.

Where is Andrzej Janecki located?

Andrzej Janecki practices at 1331 W Grand Parkway N Suite 350, Katy, TX 77493. The listed phone number is (281) 395-8688.

What is Andrzej Janecki's specialty?

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

Is Andrzej Janecki enrolled in Medicare?

Yes. Andrzej Janecki 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.

Which organization bills Medicare for Andrzej Janecki's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Andrzej Janecki reassigns Medicare benefits to Andrzej J. Janecki MD PA (Houston, TX). The 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 Andrzej Janecki's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

Is Andrzej Janecki affiliated with any hospitals?

According to CMS data, Andrzej Janecki is affiliated with Memorial Hermann Katy Hospital.

When was this NPI record last updated?

The NPPES record for Andrzej Janecki was last updated on November 9, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 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.