DR. MARELLE MONTANEZ DO
NPI 1891149399
Internal Medicine in Houston, TX

Q: What is Marelle Montanez's NPI number?

The NPI number for Marelle Montanez is 1891149399. It was assigned to this individual provider in the NPPES registry on April 20, 2016.

Q: What is Marelle Montanez's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Q: When was this NPI record last updated?

The NPPES record for Marelle Montanez was last updated on March 10, 2019. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 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 April 20, 2016PECOS EnrolledAccepts Medicare Assignment

6411 FANNIN ST, HOUSTON, TX 77030(713) 704-4000 Get Directions Write a Review

NPPES record last updated: March 10, 2019. Verified against the NPPES registry weekly; last sync: October 18, 2026.

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About Dr. Marelle Montanez Do NPPES

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

DR. MARELLE MONTANEZ DO (NPI 1891149399) is an individual internal medicine provider in Houston, Texas, licensed in Texas (S0512) and active in the NPI registry since April 2016. She is enrolled in Medicare PECOS, is affiliated with Hca Houston Healthcare Kingwood, and maintains a secondary practice location in Lansing.

NPPES Registry Identity

NPI1891149399

Entity TypeIndividualFemale

Primary Taxonomy207R00000X

Provider Legal NameDR. MARELLE MONTANEZCredential: DO

Location Address6411 FANNIN STHouston, TX 77030-1501

Mailing Address6411 Fannin StHouston, TX 77030-1501 · (713) 704-4000

Phone(713) 704-4000

Sole ProprietorNo

Medical School CMSAt Still Un Of Hlth Sciences, Col Of Osteo Med, MesaGraduated 2016

Enumeration DateApril 20, 2016

Last NPPES UpdateMarch 10, 2019

✔ NPI 1891149399 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians

Taxonomy Code207R00000X

License✔ Licensed in TX · S0512

Definition

A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.

Also ListedStudent in an Organized Health Care Education/Training ProgramTaxonomy 390200000X

6411 FANNIN ST, Houston, TX 77030

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Secondary Practice Location 1

Location 1401 W Greenlawn AveLansing, MI 48910-2819 · Phone (517) 975-7888

Accepted Insurance

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

Dr. Marelle Montanez Do 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 ID3072928506

PECOS Enrollment IDI20210216001545

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 Marelle Montanez reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Healing Kidneys Institute Of Houston PLLC

40 mi

Nephrology

200 S RIVERSHIRE DR STE 300
Conroe, TX 77304

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

NPI 1194103382 (832) 610-2822

Hospital Medicine Services Of Tx, PLLC

192 mi

Hospitalist

7700 FLOYD CURL DR
San Antonio, TX 78229

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

NPI 1881392363 (210) 575-4000

Lonestar Hospital Medicine Associates, PA

221 mi

Hospitalist

2700 E BROAD ST
Mansfield, TX 76063

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

NPI 1518237429 (682) 622-2000

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 6

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.

191 services84 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.

76 services41 patients

Hospital discharge day management, more than 30 minutes 99239

Hospital discharge day management over 30 minutes involves a detailed process to ensure a smooth transition from hospital to home. It includes final examinations, discussion of your hospital stay, post-discharge instructions, and coordinating follow-up care.

57 services56 patients

Hospital discharge day management, 30 minutes or less 99238

Hospital discharge day management of 30 minutes or less includes finalizing your treatment, discussing your progress, and planning after-care at home. It ensures you're ready to leave the hospital and continue recovery safely.

32 services32 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.

25 services25 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.

19 services19 patients

Hospital Affiliations CMS Care Compare

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

Hca Houston Healthcare Kingwood

Acute Care Hospitals · Kingwood, TX

3/5 CMS rating

OwnershipProprietary

CMS Certification Number450775

Location22999 Us Hwy 59Kingwood, TX 77325 · Harris 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

$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.

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.

HASHIM ZAIDI M.D.

Emergency Medicine