DR. QASIM HASAN ZAIDI MD
NPI 1487099313
Orthopaedic Surgery - Orthopaedic Surgery of the Spine in Saint Louis, MO

Q: What is Qasim Zaidi's NPI number?

The NPI number for Qasim Zaidi is 1487099313. It was assigned to this individual provider in the NPPES registry on May 6, 2013.

Q: What is Qasim Zaidi's specialty?

The primary specialty registered for this NPI is Orthopaedic Surgery, specializing in Orthopaedic Surgery of the Spine, with taxonomy code 207XS0117X.

Q: When was this NPI record last updated?

The NPPES record for Qasim Zaidi was last updated on August 19, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 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.

Active since May 06, 2013PECOS EnrolledAccepts Medicare Assignment

12639 OLD TESSON RD, SAINT LOUIS, MO 63128(314) 849-0311(404) 575-4555 Get Directions Write a Review

NPPES record last updated: August 19, 2025. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Apr 21, 2022, Aug 9, 2021, Nov 25, 2019 and 1 more (4 updates tracked since 2019).

On this page

About Dr. Qasim Hasan Zaidi Md NPPES

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

DR. QASIM HASAN ZAIDI MD (NPI 1487099313) is an individual orthopaedic surgery of the spine provider in Saint Louis, Missouri, licensed in Missouri (2022009525) and active in the NPI registry since May 2013. He is enrolled in Medicare PECOS, is affiliated with Mercy Hospital Jefferson, and maintains 2 additional practice locations.

NPPES Registry Identity

NPI1487099313

Entity TypeIndividualMale

Primary Taxonomy207XS0117X

Provider Legal NameDR. QASIM HASAN ZAIDICredential: MD

Location Address12639 OLD TESSON RDSaint Louis, MO 63128-2711

Mailing Address12639 Old Tesson RdSaint Louis, MO 63128-2711 · (314) 849-0311 · Fax (314) 849-4423

Phone(314) 849-0311

Fax(404) 575-4555

Sole ProprietorNo

Medical School CMSOtherGraduated 2013

Enumeration DateMay 6, 2013

Last NPPES UpdateAugust 19, 20254 updates tracked since enumeration

NPPES CertifiedAugust 19, 2025

✔ NPI 1487099313 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyOrthopaedic Surgery · Orthopaedic Surgery of the SpineAllopathic & Osteopathic Physicians

Taxonomy Code207XS0117X

License✔ Licensed in MO · 2022009525

Definition

Recognized by several state medical boards as a fellowship subspecialty program of orthopaedic surgery, orthopaedic surgeons of the spine deal with the evaluation and nonoperative and operative treatment of the full spectrum of primary spinal disorders including trauma, degenerative, deformity, tumor, and reconstructive.

Also ListedOrthopaedic SurgeryTaxonomy 207X00000X · License 2022009525 (MO)

12639 OLD TESSON RD, Saint Louis, MO 63128

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Secondary Practice Locations 2

Location 1121 Saint Lukes Center Dr Ste 302Chesterfield, MO 63017-3519 · Phone (314) 849-0311 · Fax (314) 849-4423

Location 21011 Bowles Ave Ste 100Fenton, MO 63026-2387 · Phone (314) 849-0311 · Fax (314) 849-4423

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. Qasim Hasan Zaidi 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 ID9234486523

PECOS Enrollment IDI20220406001898, I20260406000432

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

Signature Medical Group, Inc

Same address

Orthopaedic Surgery

12639 OLD TESSON RD, SUITE 115
Saint Louis, MO 63128

Reassigned Medicare billing, Missouri enrollment
41 clinicians in this Medicare group

NPI 1871542761 (314) 849-0311

Regenerative Orthopaedics And Spine Institute, LLC

487 mi

Orthopaedic Surgery

135 N. PARK PLACE, SUITE 101
Stockbridge, GA 30281

Reassigned Medicare billing, Georgia enrollment
23 clinicians in this Medicare group

NPI 1568858231 (770) 892-0300

Elite Orthopaedics Of Irving PLLC

535 mi

Orthopaedic Surgery

6750 N MACARTHUR BLVD, SUITE 305
Irving, TX 75039

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

NPI 1982892105 (214) 496-9700

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 12

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.

146 services116 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.

112 services81 patients

X-ray of lower and sacral spine, 2-3 views 72100

An X-ray of the lower and sacral spine involves capturing images of your lower back area, including the tailbone. This procedure helps in identifying problems like fractures, infections, or deformities. 2-3 different angle views provide a comprehensive picture.

110 services103 patients

X-ray of upper spine, 2-3 views 72040

An X-ray of the upper spine, with 2-3 views, is a painless procedure that employs a small amount of radiation to capture images of your neck and upper back. It assists in diagnosing conditions like arthritis, fractures, or spinal deformities.

103 services69 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.

56 services56 patients

Mri scan of lower spinal canal without contrast 72148

An MRI scan of the lower spinal canal without contrast is a non-invasive imaging test. It uses a magnetic field and radio waves to produce detailed images of your lower spine. This helps identify issues like disc problems, tumors, or nerve conditions. No dye is used.

38 services37 patients

Mri scan of upper spinal canal without contrast 72141

An MRI scan of the upper spinal canal without contrast is a non-invasive imaging test. It uses a magnetic field and radio waves to create detailed images of your upper spine. This helps doctors identify issues such as injuries, infections or diseases. No dye is used.

32 services32 patients

Initial hospital care with straightforward or low level of medical decision making, per day, if using time, at least 40 minutes 99221

Initial hospital inpatient care refers to the first day of your stay in the hospital. This service typically includes a 30-minute check-up with a healthcare professional. They'll assess your health, discuss your condition, and plan your treatment. It's part of ensuring you receive the best possible care.

15 services15 patients

Partial removal of spine bone with release of lower spinal cord and/or nerves, 1 segment 63047

This procedure involves removing part of a spine bone to alleviate pressure on the lower spinal cord and/or nerves. It targets a single segment of the spine, improving mobility and reducing pain. It's a common treatment for conditions like herniated discs or spinal stenosis.

12 services12 patients

Graft of donor bone to spine 20931

A graft of donor bone to the spine is a procedure where a piece of bone from a donor is attached to your spine to help it heal or improve its structure. This is often done to strengthen the spine or aid in recovery from injury or disease.

11 services11 patients

Fusion of upper spine bone with removal of disc and release of spinal cord or nerve, 1 disc 22551

This procedure involves fusing together the bones in the upper spine to stabilize it. A disc is removed to ease pressure on the spinal cord or nerve. This helps reduce pain and improve mobility. This is a common treatment for certain spinal conditions.

11 services11 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.

11 services11 patients

Hospital Affiliations CMS Care Compare 4

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

Mercy Hospital Jefferson

Acute Care Hospitals · Festus, MO

3/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number260023

Location1400 Us Highway 61Festus, MO 63028 · Jefferson County

Emergency services

Mercy Hospital South

Acute Care Hospitals · Saint Louis, MO

3/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number260077

Location10010 Kennerly RoadSaint Louis, MO 63128 · St. Louis County

Emergency services

Ssm St Clare Health Center

Acute Care Hospitals · Fenton, MO

3/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number260081

Location1015 BowlesFenton, MO 63026 · Jefferson County

Emergency services Birthing friendly

Medical City Lewisville

Acute Care Hospitals · Lewisville, TX

4/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number450669

Location500 West Main StreetLewisville, TX 75057 · Denton County

Emergency services Birthing friendly

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.

MRS. LOUISE M HILDEBOLT PA-C

Physician Assistant

12639 OLD TESSON RD, SUITE 115
SAINT LOUIS, MO 63128

St. Louis County (314) 849-0311

NATHANAEL OLSON

Orthopaedic Surgery (Hand Surgery)

12639 OLD TESSON RD
SAINT LOUIS, MO 63128

St. Louis County (314) 849-0311

BRIAN ANTHONY FISSEL M.D.

Orthopaedic Surgery

12639 OLD TESSON RD, SUITE 115
SAINT LOUIS, MO 63128

St. Louis County (314) 849-0311

MRS. THERESA A BOXDORFER FNP

Nurse Practitioner (Family)

12639 OLD TESSON RD, SUITE 115
SAINT LOUIS, MO 63128

St. Louis County (314) 849-0311

DR. DENNIS A DUSEK M.D.

Orthopaedic Surgery

12639 OLD TESSON RD, SUITE 115
SAINT LOUIS, MO 63128

St. Louis County (314) 849-0311

OLD TESSON SURGERY CENTER, L.P.

Clinic/Center (Ambulatory Surgical)

12639 OLD TESSON RD, STE 130
SAINT LOUIS, MO 63128

St. Louis County (314) 729-0785

MEDICAL IMPLANT SLOUTIONS, LLC

Durable Medical Equipment & Medical Supplies

12639 OLD TESSON RD, 116
SAINT LOUIS, MO 63128

St. Louis County (303) 840-2388

MRS. MOLLY KAY CRAWFORD OT

Occupational Therapist

12639 OLD TESSON RD, SUITE 120
SAINT LOUIS, MO 63128

St. Louis County (314) 842-3968

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 Qasim Zaidi's NPI number?

The NPI number for Qasim Zaidi is 1487099313. It was assigned to this individual provider in the NPPES registry on May 6, 2013.

Where is Qasim Zaidi located?

Qasim Zaidi practices at 12639 Old Tesson Rd, Saint Louis, MO 63128. The listed phone number is (314) 849-0311.

What is Qasim Zaidi's specialty?

The primary specialty registered for this NPI is Orthopaedic Surgery, specializing in Orthopaedic Surgery of the Spine, with taxonomy code 207XS0117X.

Is Qasim Zaidi enrolled in Medicare?

Yes. Qasim Zaidi 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 Qasim Zaidi's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Qasim Zaidi reassigns Medicare benefits to 3 organizations: Signature Medical Group, Inc (Saint Louis, MO), Regenerative Orthopaedics And Spine Institute, LLC (Stockbridge, GA) and Elite Orthopaedics Of Irving PLLC (Irving, 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 Qasim Zaidi's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Qasim Zaidi accept?

Health plans from Ambetter Health, Ambetter Health of Delaware, Ambetter from Arizona Complete Health, Ambetter from Arkansas Health & Wellness and Ambetter from Louisiana Healthcare Connections and 9 other insurers list Qasim Zaidi 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 Qasim Zaidi affiliated with any hospitals?

According to CMS data, Qasim Zaidi is affiliated with Mercy Hospital Jefferson, Mercy Hospital South, Ssm St Clare Health Center and Medical City Lewisville.

When was this NPI record last updated?

The NPPES record for Qasim Zaidi was last updated on August 19, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 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.