JOSEPH H FLAHERTY MD
NPI 1710995568
Internal Medicine in St Louis, MO

Q: What is Joseph Flaherty's NPI number?

The NPI number for Joseph Flaherty is 1710995568. It was assigned to this individual provider in the NPPES registry on August 4, 2006.

Q: What is Joseph Flaherty's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Q: When was this NPI record last updated?

The NPPES record for Joseph Flaherty was last updated on January 27, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 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 August 04, 2006PECOS EnrolledAccepts Medicare Assignment

3660 VISTA, ST LOUIS, MO 63110(314) 977-8462(314) 771-8575 Get Directions Write a Review

NPPES record last updated: January 27, 2026. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Jan 27, 2026, Jan 21, 2026 (2 updates tracked since 2026).

On this page

About Joseph H Flaherty Md NPPES

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

JOSEPH H FLAHERTY MD (NPI 1710995568) is an individual internal medicine provider in St Louis, Missouri, licensed in Texas (R4546) and active in the NPI registry since August 2006. He is enrolled in Medicare PECOS, is affiliated with Medical City Plano, and is a graduate of Saint Louis University School Of Medicine (1990).

NPPES Registry Identity

NPI1710995568

Entity TypeIndividualMale

Primary Taxonomy207R00000X

Provider Legal NameJOSEPH H FLAHERTYCredential: MD

Location Address3660 VISTASt Louis, MO 63110

Mailing Address3691 Rutger Ave, Provider EnrollmentSt Louis, MO 63110 · (314) 977-4440

Phone(314) 977-8462

Fax(314) 771-8575

Sole ProprietorNo

Medical School CMSSaint Louis University School Of MedicineGraduated 1990

Enumeration DateAugust 4, 2006

Last NPPES UpdateJanuary 27, 20262 updates tracked since enumeration

NPPES CertifiedJanuary 27, 2026

✔ NPI 1710995568 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians

Taxonomy Code207R00000X

License✔ Licensed in TX · R4546

Definition

A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.

Also ListedInternal Medicine · Geriatric MedicineTaxonomy 207RG0300X · License R4546 (TX), 103448 (MO)

3660 VISTA, St Louis, MO 63110

Open in Google Maps ↗

Accepted Insurance

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

Joseph H Flaherty 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 ID7911041892

PECOS Enrollment IDI20180123003116

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 Joseph Flaherty reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Questcare Matrix, PLLC

523 mi

Emergency Medicine

8300 ELDORADO PKWY
Mckinney, TX 75070

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

NPI 1740605492 (954) 939-5000

Questcare Hospitalists PLLC

538 mi

Emergency Medicine

7777 FOREST LN
Dallas, TX 75230

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

NPI 1265441620 (954) 939-5000

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 3

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.

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 99233

Follow-up hospital inpatient care per day typically involves a 35-minute check-up by your healthcare provider. This service includes monitoring your health progress, adjusting your treatment plan if needed, and answering any questions you may have about your condition or care.

605 services209 patients

Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 99223

Initial hospital inpatient care per day, typically 70 minutes, refers to the daily medical service provided to patients admitted to the hospital. This includes a comprehensive evaluation, diagnosis, treatment plan, and monitoring of your health condition. It ensures your well-being during your hospital stay.

327 services288 patients

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 99232

Follow-up hospital inpatient care involves daily check-ups while you're admitted in the hospital. Typically, a healthcare provider spends about 25 minutes each day reviewing your condition, adjusting treatment if needed, and answering any questions you might have.

250 services125 patients

Hospital Affiliations CMS Care Compare

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

Medical City Plano

Acute Care Hospitals · Plano, TX

3/5 CMS rating

OwnershipProprietary

CMS Certification Number450651

Location3901 W 15th StPlano, TX 75075 · Collin County

Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 63110 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.

Reported Quality Measures

Care Plan

Percentage of patients aged 65 years and older who have an advance care plan or surrogate decision maker documented in the medical record that an advance care plan was discussed but the patient did not wish or was not able to name a surrogate decision maker…

82%89 patients4/55-star benchmark: 100%

Providers report different measures because they deliver different services; reporting more or less information is not a reflection of quality. Star ratings appear only where CMS assigned them.

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.

CHANTRI TRINH MD

Internal Medicine (Geriatric Medicine)

3660 VISTA
ST LOUIS, MO 63110

St. Louis City (314) 977-8462

SYED H TARIQ MD

Internal Medicine (Gastroenterology)

3660 VISTA
ST LOUIS, MO 63110

St. Louis City (314) 977-8462

DONALD J KENNEDY MD

Internal Medicine (Infectious Disease)

3660 VISTA
ST LOUIS, MO 63110

St. Louis City (314) 577-8648

JOHN B SELHORST MD

Psychiatry & Neurology (Neurology)

3660 VISTA
ST LOUIS, MO 63110

St. Louis City (314) 577-8738

JOHN A STITH MD

Otolaryngology (Pediatric Otolaryngology)

3660 VISTA
ST LOUIS, MO 63110

St. Louis City (314) 577-8887

MRS. CAROLYN D PHILPOT GNP BC

Registered Nurse

3660 VISTA
ST LOUIS, MO 63110

St. Louis City (314) 977-6055

THOMAS J DONOVAN MD

Otolaryngology

3660 VISTA
ST LOUIS, MO 63110

St. Louis City (314) 577-8887

BERNARD R CHAITMAN MD

Internal Medicine (Cardiovascular Disease)

3660 VISTA
ST LOUIS, MO 63110

St. Louis City (314) 725-4668

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 Joseph Flaherty's NPI number?

The NPI number for Joseph Flaherty is 1710995568. It was assigned to this individual provider in the NPPES registry on August 4, 2006.

Where is Joseph Flaherty located?

Joseph Flaherty practices at 3660 Vista, St Louis, MO 63110. The listed phone number is (314) 977-8462.

What is Joseph Flaherty's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Is Joseph Flaherty enrolled in Medicare?

Yes. Joseph Flaherty 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 Joseph Flaherty's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Joseph Flaherty reassigns Medicare benefits to 2 organizations: Questcare Matrix, PLLC (Mckinney, TX) and Questcare Hospitalists PLLC (Dallas, 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 Joseph Flaherty's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Joseph Flaherty accept?

Health plans from Blue Cross and Blue Shield of Texas, Cigna Healthcare and Oscar Insurance Company list Joseph Flaherty 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 Joseph Flaherty affiliated with any hospitals?

According to CMS data, Joseph Flaherty is affiliated with Medical City Plano.

When was this NPI record last updated?

The NPPES record for Joseph Flaherty was last updated on January 27, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 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.