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HIMANAYANI MAMILLAPALLI M.D.
NPI 1114451002
Internal Medicine - Cardiovascular Disease in Cypress, TX

Active since April 18, 2017PECOS EnrolledAccepts Medicare Assignment
25282 NORTHWEST FWY STE 250, CYPRESS, TX 77429(281) 392-3401(281) 392-7814 Get Directions Write a Review

NPPES record last updated: July 15, 2025. Verified against the NPPES registry weekly; last sync: November 01, 2026.

Record update history: May 18, 2025, Aug 28, 2020, Apr 18, 2017 (3 updates tracked since 2017).

About Himanayani Mamillapalli M.d. NPPES

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

HIMANAYANI MAMILLAPALLI M.D. (NPI 1114451002) is an individual cardiovascular disease provider in Cypress, Texas, licensed in Texas (V8682) and active in the NPI registry since April 2017. She is enrolled in Medicare PECOS, is affiliated with Houston Methodist West Hospital, and maintains 2 additional practice locations.

NPPES Registry Identity

NPI1114451002
Entity TypeIndividualFemale
Primary Taxonomy207RC0000X
Provider Legal NameHIMANAYANI MAMILLAPALLICredential: M.D.
Location Address25282 NORTHWEST FWY STE 250Cypress, TX 77429-1084
Mailing Address5115 Fannin St Ste 801Houston, TX 77004-5870 · (713) 558-9508
Phone(281) 392-3401
Fax(281) 392-7814
Sole ProprietorYes
Medical School CMSOtherGraduated 2017
Enumeration DateApril 18, 2017
Last NPPES UpdateJuly 15, 20253 updates tracked since enumeration
NPPES CertifiedJuly 15, 2025
✔ NPI 1114451002 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

★ Primary SpecialtyInternal Medicine · Cardiovascular DiseaseAllopathic & Osteopathic Physicians
Taxonomy Code207RC0000X
License✔ Licensed in TX · V8682
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 Medicine · Interventional CardiologyTaxonomy 207RI0011X · License V8682 (TX)
Also ListedHospitalistTaxonomy 208M00000X · License 66965 (MN)
25282 NORTHWEST FWY STE 250, Cypress, TX 77429
Open in Google Maps ↗

Secondary Practice Locations 2

Location 12450 Riverside AveMinneapolis, MN 55454-1450 · Phone (612) 672-6000
Location 2420 Delaware St SEMinneapolis, MN 55455-0341 · Phone (612) 626-5454

Accepted Insurance

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

Himanayani Mamillapalli 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 ID2567727126
PECOS Enrollment IDI20250602002995
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

3

Medicare enrollment records show Himanayani Mamillapalli reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Katy Cardiovascular Services, LP
12 mi
Multi-Specialty
18400 KATY FREEWAY, SUITE 330
Houston, TX 77094
  • Reassigned Medicare billing, Texas enrollment
  • 23 clinicians in this Medicare group
NPI 1841596251 (281) 829-2226
Memorial City Cardiology Associates PA
13 mi
Cardiovascular Disease
1331 W GRAND PKWY N STE 130
Katy, TX 77493
  • Reassigned Medicare billing, Texas enrollment
  • 30 clinicians in this Medicare group
NPI 1538124458 (281) 392-3401
Houston Cardiovascular Assoc PA
24 mi
Cardiac Rehabilitation
5115 FANNIN ST STE 801
Houston, TX 77004
  • Reassigned Medicare billing, Texas enrollment
  • Also billed through NPI 1487746020 (Texas)
  • 53 clinicians in this Medicare group
NPI 1831993369 (713) 790-0841

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Hospital Affiliations CMS Care Compare

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

Houston Methodist West Hospital

Acute Care Hospitals · Houston, TX
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number670077
Location18500 Katy FreewayHouston, TX 77094 · Harris County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 77429 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.

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 Himanayani Mamillapalli's NPI number?

The NPI number for Himanayani Mamillapalli is 1114451002. It was assigned to this individual provider in the NPPES registry on April 18, 2017.

Where is Himanayani Mamillapalli located?

Himanayani Mamillapalli practices at 25282 Northwest Fwy Ste 250, Cypress, TX 77429. The listed phone number is (281) 392-3401.

What is Himanayani Mamillapalli's specialty?

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

Is Himanayani Mamillapalli enrolled in Medicare?

Yes. Himanayani Mamillapalli 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 organizations bill Medicare for Himanayani Mamillapalli's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Himanayani Mamillapalli reassigns Medicare benefits to 3 organizations: Katy Cardiovascular Services, LP (Houston, TX), Memorial City Cardiology Associates PA (Katy, TX) and Houston Cardiovascular Assoc PA (Houston, TX). Each 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 Himanayani Mamillapalli's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Himanayani Mamillapalli accept?

Health plans from Blue Cross and Blue Shield of Texas and UnitedHealthcare list Himanayani Mamillapalli 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 Himanayani Mamillapalli affiliated with any hospitals?

According to CMS data, Himanayani Mamillapalli is affiliated with Houston Methodist West Hospital.

When was this NPI record last updated?

The NPPES record for Himanayani Mamillapalli was last updated on July 15, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 15 months 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.