Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

MAREENA SUSAN ZACHARIAH MD
NPI 1629087192
Internal Medicine - Nephrology in Lubbock, TX

Q: What is Mareena Zachariah's NPI number?

The NPI number for Mareena Zachariah is 1629087192. It was assigned to this individual provider in the NPPES registry on August 5, 2006.

Q: What is Mareena Zachariah's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Nephrology, with taxonomy code 207RN0300X.

Q: When was this NPI record last updated?

The NPPES record for Mareena Zachariah was last updated on October 15, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 24 days 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 August 05, 2006PECOS EnrolledAccepts Medicare Assignment

100/100

CMS Quality Rating

3601 4TH ST, LUBBOCK, TX 79430(806) 743-3150(806) 743-3168 Get Directions Write a Review

NPPES record last updated: October 15, 2026. Verified against the NPPES registry weekly; last sync: November 01, 2026.

Record update history: Oct 15, 2026, Jan 14, 2022, May 3, 2018 (3 updates tracked since 2018).

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About Mareena Susan Zachariah Md NPPES

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

MAREENA SUSAN ZACHARIAH MD (NPI 1629087192) is an individual nephrology provider in Lubbock, Texas, licensed in Texas (R5342) and active in the NPI registry since August 2006. She is enrolled in Medicare PECOS, is affiliated with University Medical Center, and maintains 2 additional practice locations.

NPPES Registry Identity

NPI1629087192

Entity TypeIndividualFemale

Primary Taxonomy207RN0300X

Provider Legal NameMAREENA SUSAN ZACHARIAHCredential: MD

Location Address3601 4TH STLubbock, TX 79430-0002

Mailing Address1560 E Maple RdTroy, MI 48083-1135 · (248) 581-5729 · Fax (248) 581-5640

Phone(806) 743-3150

Fax(806) 743-3168

Sole ProprietorNo

Medical School CMSOtherGraduated 1993

Enumeration DateAugust 5, 2006

Last NPPES UpdateOctober 15, 20263 updates tracked since enumeration

NPPES CertifiedOctober 15, 2026

✔ NPI 1629087192 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · NephrologyAllopathic & Osteopathic Physicians

Taxonomy Code207RN0300X

License✔ Licensed in TX · R5342

Definition

An internist who treats disorders of the kidney, high blood pressure, fluid and mineral balance and dialysis of body wastes when the kidneys do not function. This specialist consults with surgeons about kidney transplantation.

3601 4TH ST, Lubbock, TX 79430

Open in Google Maps ↗

Secondary Practice Locations 2

Location 1602 Indiana AveLubbock, TX 79415-3364 · Phone (806) 743-3150 · Fax (806) 743-3168

Location 21016 N 17th StLamesa, TX 79331-2404 · Phone (806) 743-3150 · Fax (806) 743-3157

Other Identifiers 3

Medicaid2798280000FL

Medicaid03053990NY

Other2515398NY · Independent Health

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Blue Cross and Blue Shield of Texas, Cigna Healthcare.Insurance ›

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

Mareena Susan Zachariah 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 ID4981609369

PECOS Enrollment IDI20170801002300

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 Mareena Zachariah reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Texas Tech University Health Sciences Center Lubbock

Same address

Anatomic Pathology

3601 4TH ST STE 1A115
Lubbock, TX 79430

Reassigned Medicare billing, Texas enrollment
685 clinicians in this Medicare group

NPI 1063461358 (806) 743-2155

University Physician Group

1,169 mi

Physical Therapist

44000 W 12 MILE RD STE 205, WSUPG PM&R OAKWOOD
Novi, MI 48377

Reassigned Medicare billing, Michigan enrollment
731 clinicians in this Medicare group

NPI 1336492354 (248) 465-0100

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 11

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 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.

206 services80 patients

Dialysis services, 4 or more physician visits per month (20 years or older) 90960

Dialysis is a treatment that filters and purifies your blood using a machine. It helps keep your fluids and electrolytes in balance when the kidneys can't do their job. This service includes 4 or more visits per month with a physician to monitor your health and adjust your treatment as needed.

143 services35 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.

133 services56 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.

83 services53 patients

Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 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.

57 services50 patients

Dialysis procedure including 1 evaluation 90945

Dialysis is a treatment that filters and purifies the blood when your kidneys can't do their job. The procedure involves circulating your blood through a machine that removes waste products. An evaluation is done beforehand to assess your health and determine the best approach for your treatment.

41 services11 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.

30 services30 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.

19 services19 patients

Dialysis services, 2-3 physician visits per month (20 years or older) 90961

Dialysis is a treatment that performs the function of healthy kidneys if they're not working properly. It removes waste and excess fluid from your blood. 2-3 physician visits per month are recommended for monitoring your health and adjusting your treatment as needed. This service is available for those aged 20 years and older.

17 services16 patients

Hemodialysis procedure with physician evaluation 90935

Hemodialysis is a treatment that uses a machine to filter waste and excess fluid from your blood when your kidneys can't. A physician checks your health before, during, and after the procedure to ensure it's working effectively for you.

15 services11 patients

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

15 services11 patients

Hospital Affiliations CMS Care Compare

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

University Medical Center

Acute Care Hospitals · Lubbock, TX

2/5 CMS rating

OwnershipGovernment - Hospital District or Authority

CMS Certification Number450686

Location602 Indiana AvenueLubbock, TX 79415 · Lubbock County

Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 79430 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

$126.40 typical visit price

range $54.84 – $166.88

Typical copayment $31.60 (range $13.71 – $41.72)

Most-billed visit code 99204

Established Patient

$97.05 typical visit price

range $17.52 – $136.11

Typical copayment $24.26 (range $4.38 – $34.02)

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.

100/100

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

Scored through an Alternative Payment Model

Quality

91.19

Promoting Interoperability

100

Improvement Activities

Referred Medical Equipment & Supplies CMS DME claims 9

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

Tacrolimus, extended release, (envarsus xr), oral, 0.25 mg J7503

Treatment-Chemotherapy · category RH002N

3 suppliers11 claims6,360 services$1.23 avg. paid by Medicare

Tacrolimus, immediate release, oral, 1 mg J7507