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

DR. SYED ALTAMASH ALI MD
NPI 1194286864
Internal Medicine - Interventional Cardiology in Humble, TX

Active since March 26, 2019PECOS EnrolledAccepts Medicare Assignment
18450 HIGHWAY 59 N, HUMBLE, TX 77338(281) 446-6656(281) 446-6657 Get Directions Write a Review

NPPES record last updated: September 11, 2026. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Sep 11, 2026, May 19, 2026, May 6, 2026 and 2 more (5 updates tracked since 2019).

About Dr. Syed Altamash Ali Md NPPES

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

DR. SYED ALTAMASH ALI MD (NPI 1194286864) is an individual interventional cardiology provider in Humble, Texas, licensed in Texas (T1278) and active in the NPI registry since March 2019. He is enrolled in Medicare PECOS, is affiliated with Houston Methodist Baytown Hospital, and maintains 2 additional practice locations.

NPPES Registry Identity

NPI1194286864
Entity TypeIndividualMale
Primary Taxonomy207RI0011X
Provider Legal NameDR. SYED ALTAMASH ALICredential: MD
Location Address18450 HIGHWAY 59 NHumble, TX 77338-4404
Mailing Address18450 Highway 59 NHumble, TX 77338-4404 · (281) 446-6656 · Fax (281) 446-6657
Phone(281) 446-6656
Fax(281) 446-6657
Sole ProprietorYes
Medical School CMSBaylor College Of MedicineGraduated 2019
Enumeration DateMarch 26, 2019
Last NPPES UpdateSeptember 11, 20265 updates tracked since enumeration
NPPES CertifiedSeptember 11, 2026
✔ NPI 1194286864 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal Medicine · Interventional CardiologyAllopathic & Osteopathic Physicians
Taxonomy Code207RI0011X
License✔ Licensed in TX · T1278
Definition
An area of medicine within the subspecialty of cardiology, which uses specialized imaging and other diagnostic techniques to evaluate blood flow and pressure in the coronary arteries and chambers of the heart and uses technical procedures and medications to treat abnormalities that impair the function of the cardiovascular system.
Also ListedInternal Medicine · Cardiovascular DiseaseTaxonomy 207RC0000X · License T1278 (TX)
18450 HIGHWAY 59 N, Humble, TX 77338
Open in Google Maps ↗

Secondary Practice Locations 2

Location 112121 Richmond Ave Ste 314Houston, TX 77082-2437 · Phone (281) 531-8013 · Fax (281) 929-0276
Location 23527 Town Center Blvd SSugar Land, TX 77479-1285 · Phone (281) 661-2447 · Fax (281) 676-5626

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, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. Syed Altamash Ali 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 ID3274024112
PECOS Enrollment IDI20251118003701
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 Syed Ali reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Cardiovascular Association, P.L.L.C
0.2 mi
Cardiovascular Disease
18450 HIGHWAY 59 N
Humble, TX 77338
  • Reassigned Medicare billing, Texas enrollment
  • 53 clinicians in this Medicare group
NPI 1750476230 (281) 446-6656
Tmh Physician Associates PLLC
20 mi
Ophthalmology
6550 FANNIN ST, SUITE 447
Houston, TX 77030
  • Reassigned Medicare billing, Texas enrollment
  • 2,407 clinicians in this Medicare group
NPI 1275779225 (713) 441-7389
Houston Methodist Specialty Physicians
21 mi
Otolaryngology
7550 GREENBRIAR DR STE 600
Houston, TX 77030
  • Reassigned Medicare billing, Texas enrollment
  • 1,579 clinicians in this Medicare group
NPI 1902614332 (281) 414-6055

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 Baytown Hospital

Acute Care Hospitals · Baytown, TX
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number450424
Location4401 Garth RoadBaytown, TX 77521 · Harris County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 77338 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.

DR. BAILEY MCGEE GRIFFIN DPM
Podiatrist (Foot & Ankle Surgery)
18450 HIGHWAY 59 N
HUMBLE, TX 77338
Harris County (281) 446-6656
DR. KENT T. JARVIS D.P.M
Podiatrist (Foot & Ankle Surgery)
18450 HIGHWAY 59 N
HUMBLE, TX 77338
Harris County (281) 446-6656
DR. CINDY MARY JOHN M.D.
Internal Medicine (Cardiovascular Disease)
18450 HIGHWAY 59 N
HUMBLE, TX 77338
Harris County (281) 446-6656
WILSON SZE
Internal Medicine (Endocrinology, Diabetes & Metabolism)
18450 HIGHWAY 59 N
HUMBLE, TX 77338
Harris County (281) 446-6656
DR. BENNET JOHN GEORGE M.D.
Internal Medicine (Interventional Cardiology)
18450 HIGHWAY 59 N
HUMBLE, TX 77338
Harris County (281) 446-6656
MR. NIDAL GANIM
Internal Medicine (Cardiovascular Disease)
18450 HIGHWAY 59 N
HUMBLE, TX 77338
Harris County (281) 446-6656
DR. PING FAI WONG M.D.
Internal Medicine (Interventional Cardiology)
18450 HIGHWAY 59 N
HUMBLE, TX 77338
Harris County (281) 446-6656
CHARLIE ISSA GNAIM M.D.
Internal Medicine (Interventional Cardiology)
18450 HIGHWAY 59 N
HUMBLE, TX 77338
Harris County (281) 446-6656

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 Syed Ali's NPI number?

The NPI number for Syed Ali is 1194286864. It was assigned to this individual provider in the NPPES registry on March 26, 2019.

Where is Syed Ali located?

Syed Ali practices at 18450 Highway 59 N, Humble, TX 77338. The listed phone number is (281) 446-6656.

What is Syed Ali's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Interventional Cardiology, with taxonomy code 207RI0011X.

Is Syed Ali enrolled in Medicare?

Yes. Syed Ali 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 Syed Ali's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Syed Ali reassigns Medicare benefits to 3 organizations: Cardiovascular Association, P.L.L.C (Humble, TX), Tmh Physician Associates PLLC (Houston, TX) and Houston Methodist Specialty Physicians (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 Syed Ali's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Syed Ali accept?

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

According to CMS data, Syed Ali is affiliated with Houston Methodist Baytown Hospital.

When was this NPI record last updated?

The NPPES record for Syed Ali was last updated on September 11, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 52 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.