WILLIAM FEINSTEIN M.D.
NPI 1144373341
Orthopaedic Surgery - Hand Surgery in Saint Louis, MO

Q: What is William Feinstein's NPI number?

The NPI number for William Feinstein is 1144373341. It was assigned to this individual provider in the NPPES registry on January 19, 2007.

Q: What is William Feinstein's specialty?

The primary specialty registered for this NPI is Orthopaedic Surgery, specializing in Hand Surgery, with taxonomy code 207XS0106X.

Q: When was this NPI record last updated?

The NPPES record for William Feinstein was last updated on March 23, 2021. NPI Profile syncs with the weekly NPPES data releases published by CMS.

Active since January 19, 2007PECOS EnrolledAccepts Medicare Assignment

88.91/100

CMS Quality Rating

1050 OLD DES PERES RD, SUITE 100, SAINT LOUIS, MO 63131(314) 569-0612(314) 569-0618 Get Directions Write a Review

NPPES record last updated: March 23, 2021. Verified against the NPPES registry weekly; last sync: July 19, 2026.

Record update history: Mar 23, 2021, Mar 15, 2021 (2 updates tracked since 2021).

On this page

About William Feinstein M.d. NPPES

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

WILLIAM FEINSTEIN M.D. (NPI 1144373341) is an individual hand surgery provider in Saint Louis, Missouri, licensed in Missouri (2000155783) and active in the NPI registry since January 2007. He is enrolled in Medicare PECOS, is affiliated with Missouri Baptist Medical Center, and is a graduate of Saint Louis University School Of Medicine (1993).

NPPES Registry Identity

NPI1144373341

Entity TypeIndividualMale

Primary Taxonomy207XS0106X

Provider Legal NameWILLIAM FEINSTEINCredential: M.D.

Location Address1050 OLD DES PERES RD, SUITE 100Saint Louis, MO 63131-1873

Mailing Address1050 Old Des Peres Rd, Suite 100Saint Louis, MO 63131-1873 · (314) 569-0612 · Fax (314) 569-0618

Phone(314) 569-0612

Fax(314) 569-0618

Sole ProprietorNo

Medical School CMSSaint Louis University School Of MedicineGraduated 1993

Enumeration DateJanuary 19, 2007

Last NPPES UpdateMarch 23, 20212 updates tracked since enumeration

NPPES CertifiedMarch 23, 2021

✔ NPI 1144373341 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyOrthopaedic Surgery · Hand SurgeryAllopathic & Osteopathic Physicians

Taxonomy Code207XS0106X

License✔ Licensed in MO · 2000155783

Definition

An orthopaedic surgeon trained in the investigation, preservation and restoration by medical, surgical and rehabilitative means of all structures of the upper extremity directly affecting the form and function of the hand and wrist.

1050 OLD DES PERES RD, Saint Louis, MO 63131

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Other Identifiers 12

Other140194000Department Of Labor

Other0900420United Healthcare

Other430617Healthlink

OtherG99956Mercy Health Plans

Other43092556563080A001Wps Tricare

Other482AA1Wal Mart Alliance Health

Other576341Aetna

Other129574MO · Bcbs Of Mo (anthem)

Other39253Group Health Plan

Other200041166Rr Medicare

Other3876797002Cigna

Medicaid205676406MO

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter from Arkansas Health & Wellness, Ambetter from Home State Health, Ambetter from Sunflower Health Plan and more.Insurance ›

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

William Feinstein 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 ID4981617156

PECOS Enrollment IDI20100222000398, I20210322001405

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 20

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.

Injection, triamcinolone acetonide, not otherwise specified, 10 mg J3301

Triamcinolone acetonide is a medication used to reduce inflammation in the body. It's given as a 10 mg injection for conditions like allergies, arthritis, or skin problems. The injection helps to decrease swelling, redness, and itching.

307 services172 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.

156 services130 patients

Injection into tendon or ligament 20550

An injection into a tendon or ligament involves placing medication directly into these areas to help reduce inflammation and pain. It's often used for conditions like arthritis or tendonitis. The procedure is quick and usually involves a local anesthetic.

136 services88 patients

New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more 99203

This service involves an initial office or outpatient visit for a new patient. The healthcare professional will spend 30-44 minutes understanding your health history, current issues, and discussing possible treatment plans. It's a comprehensive evaluation to start your healthcare journey.

109 services109 patients

X-ray of wrist, minimum of 3 views 73110

An X-ray of the wrist, minimum of 3 views, is a diagnostic procedure that uses radiation to create images of your wrist from different angles. This helps detect fractures, infections, or other abnormalities for accurate diagnosis and treatment planning.

93 services62 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.

86 services86 patients

Aspiration and/or injection of fluid from small joint 20600

This procedure involves inserting a thin needle into a small joint to remove (aspirate) or inject fluid. It can help diagnose conditions, relieve discomfort, or administer medication directly into the joint. It's generally safe with minimal discomfort.

80 services57 patients

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.

78 services75 patients

X-ray of finger, minimum of 2 views 73140

An X-ray of the finger involves capturing images of your finger from at least two different angles. This non-invasive procedure helps in visualizing the bones and joints, aiding in the diagnosis of fractures, infections, or other abnormalities. Minimal discomfort may be experienced.

55 services51 patients

Release and/or relocation of hand nerve 64721

This procedure involves adjusting or moving a nerve in your hand to alleviate discomfort or improve function. The nerve may be compressed, causing pain or numbness. By releasing or relocating the nerve, these symptoms can be reduced, enhancing hand usage.

47 services42 patients

X-ray of hand, minimum of 3 views 73130

An X-ray of the hand, minimum of 3 views, is a non-invasive imaging test. It uses a small amount of radiation to produce images of the bones in your hand from different angles. This helps in diagnosing fractures, infections, arthritis, or other abnormalities. It's quick and painless.

41 services31 patients

Aspiration and/or injection of fluid from medium joint 20605

This procedure involves a needle being inserted into a medium-sized joint, such as a knee or shoulder, to remove (aspirate) excess fluid. Sometimes, medication may also be injected into the joint to reduce inflammation and pain.

33 services27 patients

Incision of tendon covering of finger 26055

This procedure involves making a small cut into the protective sheath around a finger tendon. It's typically done to relieve pressure or inflammation, improve finger movement, or treat conditions like trigger finger. It's a safe, often outpatient procedure.

30 services22 patients

X-ray of elbow, minimum of 3 views 73080

An elbow X-ray with a minimum of 3 views is a non-invasive imaging test. It helps visualize the bones of the elbow from different angles. This aids in diagnosing conditions like fractures or arthritis. The procedure is quick, painless, and usually takes around 15 minutes.

26 services16 patients

Ultrasonic guidance during surgery 76998

Ultrasonic guidance during surgery is a technique that uses sound waves to create real-time images of the inside of your body. This helps the surgeon navigate and perform procedures more accurately, reducing the risk of complications. It's like a GPS for your body's internal structures.

21 services19 patients

Release and/or relocation of hand nerve 64721

20 services19 patients

Aspiration and/or injection of fluid from large joint 20610

This procedure involves using a needle to remove (aspiration) or introduce (injection) fluid into a large joint like the knee or hip. It can help diagnose conditions, relieve discomfort, or deliver medication directly to the joint.

15 services14 patients

Closed treatment of broken forearm (radius) bone at the wrist area on the thumb side of the wrist without manipulation 25600

This procedure involves treating a broken forearm bone near the wrist, specifically on the thumb side, without any physical realignment. A cast or splint is typically applied to stabilize the bone and promote healing. No surgical intervention is required.

15 services15 patients

Release and/or relocation of elbow nerve 64718

This procedure involves adjusting the position of a nerve in your elbow to alleviate discomfort or improve function. The nerve is carefully moved from its original location and placed in a less strained position. This can help reduce pain and improve arm movement.

15 services14 patients

Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more 99212

This is a routine check-up for patients who have previously seen the doctor. During this 10-19 minute visit, the doctor will review your health status, discuss any concerns, and manage ongoing treatments or medications. It's a chance to ensure your health is on track.

14 services13 patients

Hospital Affiliations CMS Care Compare 3

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

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

St Lukes Hospital

Acute Care Hospitals · Chesterfield, MO

4/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number260179

Location232 S Woods Mill RdChesterfield, MO 63017 · St. Louis 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

$86.32 typical visit price

range $55.65 – $169.38

Typical copayment $21.58 (range $13.91 – $42.34)

Most-billed visit code 99203

Established Patient

$69.50 typical visit price

range $17.76 – $137.92

Typical copayment $17.37 (range $4.44 – $34.48)

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.

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.

88.91/100

MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program

Scored as part of a group practice

Quality

77.82

Improvement Activities

Referred Medical Equipment & Supplies CMS DME claims 3

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Shoulder orthosis, acromio/clavicular (canvas and webbing type), prefabricated, off-the-shelf L3670

DME-Orthotic Devices · category DF000N

1 supplier20 claims20 services$107.76 avg. paid by Medicare

Wrist hand orthosis, wrist extension control cock-up, non molded, prefabricated, off-the-shelf L3908

DME-Orthotic Devices · category DF000N

1 supplier17 claims18 services$47.76 avg. paid by Medicare

Hand finger orthosis, without joints, may include soft interface, straps, prefabricated, off-the-shelf L3924

DME-Orthotic Devices · category DF000N

1 supplier12 claims13 services$59.64 avg. paid by Medicare

Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

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.

RUESCHHOFF PHYSICAL THERAPY INC

Physical Therapist

1050 OLD DES PERES RD, STE 40
SAINT LOUIS, MO 63131

St. Louis County (314) 821-0200

DES PERES SQUARE IMAGING CENTER LLC

Clinic/Center (Magnetic Resonance Imaging (MRI))

1050 OLD DES PERES RD, SUITE 75
SAINT LOUIS, MO 63131

St. Louis County (314) 569-2412

ORTHOPEDIC & SPORTS MEDICINE EQUIPMENT & SUPPLY L L C

Durable Medical Equipment & Medical Supplies

1050 OLD DES PERES RD, SUITE 60
SAINT LOUIS, MO 63131

St. Louis County (314) 878-7030

MR. BRIAN WILLIAM BRADLEY P.T.

Physical Therapist

1050 OLD DES PERES RD, SUITE 40
SAINT LOUIS, MO 63131

St. Louis County (314) 821-0200

ORTHOPEDIC ASSOCIATES, LLC

Durable Medical Equipment & Medical Supplies

1050 OLD DES PERES RD, SUITE 100
SAINT LOUIS, MO 63131

St. Louis County (314) 569-0612

TERESA G SEALS P.T.

Physical Therapist

1050 OLD DES PERES RD
DES PERES, MO 63131

St. Louis County (314) 821-0200

MRS. CHRISTY DOW M.A. OTR/L

Occupational Therapist (Pediatrics)

1050 OLD DES PERES RD, SUITE 40
SAINT LOUIS, MO 63131

St. Louis County (314) 821-0200

CYNTHIA D BYLER D.O.

Preventive Medicine (Occupational Medicine)

1050 OLD DES PERES RD, SUITE 100
SAINT LOUIS, MO 63131

St. Louis County (314) 569-0612

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 William Feinstein's NPI number?

The NPI number for William Feinstein is 1144373341. It was assigned to this individual provider in the NPPES registry on January 19, 2007.

Where is William Feinstein located?

William Feinstein practices at 1050 Old Des Peres Rd Suite 100, Saint Louis, MO 63131. The listed phone number is (314) 569-0612.

What is William Feinstein's specialty?

The primary specialty registered for this NPI is Orthopaedic Surgery, specializing in Hand Surgery, with taxonomy code 207XS0106X.

Is William Feinstein enrolled in Medicare?

Yes. William Feinstein 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.

What insurance does William Feinstein accept?

Health plans from Ambetter Health, Ambetter Health of Delaware, Ambetter from Arkansas Health & Wellness, Ambetter from Home State Health and Ambetter from Sunflower Health Plan and 4 other insurers list William Feinstein 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 William Feinstein affiliated with any hospitals?

According to CMS data, William Feinstein is affiliated with Missouri Baptist Medical Center, Barnes-Jewish West County Hospital and St Lukes Hospital.

When was this NPI record last updated?

The NPPES record for William Feinstein was last updated on March 23, 2021. NPI Profile syncs with the weekly NPPES data releases published by CMS.