DR. LEEN HUSNI ALI AL-SAYYED M.D.
NPI 1053626242
Internal Medicine - Gastroenterology in Saint Louis, MO

Active since August 11, 2010PECOS EnrolledAccepts Medicare Assignment
100/100
CMS Quality Rating
3009 N BALLAS RD STE 359C, SAINT LOUIS, MO 63131(314) 996-3520 Get Directions Write a Review

NPPES record last updated: November 6, 2023. Verified against the NPPES registry weekly; last sync: July 26, 2026.

Record update history: Nov 6, 2023, May 18, 2020, Jul 24, 2019 and 4 more (7 updates tracked since 2015).

About Dr. Leen Husni Ali Al-sayyed M.d. NPPES

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

DR. LEEN HUSNI ALI AL-SAYYED M.D. (NPI 1053626242) is an individual gastroenterology provider in Saint Louis, Missouri, licensed in Missouri (2014012498) and active in the NPI registry since August 2010. She is enrolled in Medicare PECOS, is affiliated with Barnes Jewish Hospital, and is a graduate of Other (2007).

NPPES Registry Identity

NPI1053626242
Entity TypeIndividualFemale
Primary Taxonomy207RG0100X
Provider Legal NameDR. LEEN HUSNI ALI AL-SAYYEDCredential: M.D.
Location Address3009 N BALLAS RD STE 359CSaint Louis, MO 63131-2324
Mailing Address3009 N Ballas Rd Ste 359cSaint Louis, MO 63131-2324 · (314) 996-3520
Sole ProprietorNo
Medical School CMSOtherGraduated 2007
Enumeration DateAugust 11, 2010
Last NPPES UpdateNovember 6, 20237 updates tracked since enumeration
NPPES CertifiedNovember 6, 2023
NPI 1053626242 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 4

Primary SpecialtyInternal Medicine · GastroenterologyAllopathic & Osteopathic Physicians
Taxonomy Code207RG0100X
License Licensed in MO · 2014012498
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.

Also ListedInternal MedicineTaxonomy 207R00000X · License 2014012498 (MO)
Also ListedInternal Medicine · HepatologyTaxonomy 207RI0008X · License 2014012498 (MO)
Also ListedInternal Medicine · Transplant HepatologyTaxonomy 207RT0003X · License 2014012498 (MO)
3009 N BALLAS RD STE 359C, Saint Louis, MO 63131

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

Enrolled in Medicare and accepts Medicare assignment

Dr. Leen Husni Ali Al-sayyed 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 ID2062656531
PECOS Enrollment IDI20140616000676
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.

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.

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.
75 services53 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.
37 services34 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.
26 services26 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.
25 services23 patients
Removal of polyps or growths of large bowel using an endoscope with mechanical snare 45385
This procedure involves using a thin, flexible tube called an endoscope to examine the large bowel. If any abnormal growths or polyps are found, a tool called a mechanical snare is used to remove them. This is a common method to prevent potential health issues.
22 services21 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.
19 services19 patients

Hospital Affiliations CMS Care Compare 5

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

Barnes Jewish Hospital

Acute Care Hospitals · Saint Louis, MO
4/5 CMS rating
OwnershipVoluntary non-profit - Other
CMS Certification Number260032
LocationOne Barnes-Jewish Hospital PlazaSaint Louis, MO 63110 · St. Louis City County
Emergency services Birthing friendly

Truman Medical Center Hospital Hill

Acute Care Hospitals · Kansas City, MO
2/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number260048
Location2301 Holmes StreetKansas City, MO 64108 · Jackson County
Emergency services Birthing friendly

Missouri Baptist Medical Center

Acute Care Hospitals · Town And Country, MO
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number260108
Location3015 N Ballas RdTown And Country, MO 63131 · St. Louis County
Emergency services Birthing friendly

Barnes-Jewish West County Hospital

Acute Care Hospitals · Creve Coeur, MO
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number260162
Location12634 Olive BoulevardCreve Coeur, MO 63141 · St. Louis County
Emergency services

Progress West Hospital

Acute Care Hospitals · O Fallon, MO
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number260219
Location2 Progress Point PkwyO Fallon, MO 63368 · St. Charles County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 63131 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
$128.28 typical visit price
range $55.65 – $169.38
Typical copayment $32.07 (range $13.91 – $42.34)
Most-billed visit code 99204
Established Patient
$98.37 typical visit price
range $17.76 – $137.92
Typical copayment $24.59 (range $4.44 – $34.48)
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
Quality91.92
Promoting Interoperability100
Improvement Activities40

Other Providers at the Same Location NPPES 8

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

Internal Medicine (Gastroenterology)
3009 N BALLAS RD STE 359C
SAINT LOUIS, MO 63131
Nurse Practitioner (Adult Health)
3009 N BALLAS RD STE 359C
SAINT LOUIS, MO 63131
Internal Medicine (Gastroenterology)
3009 N BALLAS RD STE 359C
SAINT LOUIS, MO 63131
Nurse Practitioner
3009 N BALLAS RD STE 359C
SAINT LOUIS, MO 63131
Physician Assistant (Medical)
3009 N BALLAS RD STE 359C
SAINT LOUIS, MO 63131
Physician Assistant
3009 N BALLAS RD STE 359C
SAINT LOUIS, MO 63131
Physician Assistant
3009 N BALLAS RD STE 359C
SAINT LOUIS, MO 63131
Physician Assistant
3009 N BALLAS RD STE 359C
SAINT LOUIS, MO 63131

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 Leen Al-sayyed's NPI number?

The NPI number for Leen Al-sayyed is 1053626242. It was assigned to this individual provider in the NPPES registry on August 11, 2010.

Where is Leen Al-sayyed located?

Leen Al-sayyed practices at 3009 N Ballas Rd Ste 359C, Saint Louis, MO 63131. The listed phone number is (314) 996-3520.

What is Leen Al-sayyed's specialty?

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

Is Leen Al-sayyed enrolled in Medicare?

Yes. Leen Al-sayyed 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.

Is Leen Al-sayyed affiliated with any hospitals?

According to CMS data, Leen Al-sayyed is affiliated with Barnes Jewish Hospital, Truman Medical Center Hospital Hill, Missouri Baptist Medical Center, Barnes-Jewish West County Hospital and Progress West Hospital.

When was this NPI record last updated?

The NPPES record for Leen Al-sayyed was last updated on November 6, 2023. NPI Profile syncs with the weekly NPPES data releases published by CMS.