DR. JONATHAN NICHOLAS BYRD MD
NPI 1063707966
Internal Medicine in Saint Louis, MO

Active since June 20, 2011PECOS EnrolledAccepts Medicare Assignment
79.29/100
CMS Quality Rating
4320 FOREST PARK AVE, STE 1100, SAINT LOUIS, MO 63108(314) 333-4100(314) 333-4115 Get Directions Write a Review

NPPES record last updated: April 15, 2025. Verified against the NPPES registry weekly; last sync: July 26, 2026.

Record update history: May 9, 2024, Nov 29, 2021, Jun 13, 2019 and 2 more (5 updates tracked since 2015).

About Dr. Jonathan Nicholas Byrd Md NPPES

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

DR. JONATHAN NICHOLAS BYRD MD (NPI 1063707966) is an individual internal medicine provider in Saint Louis, Missouri, licensed in Missouri (2014004993) and active in the NPI registry since June 2011. He is enrolled in Medicare PECOS, is affiliated with Memorial Hospital, and is a graduate of Washington University School Of Medicine (2011).

NPPES Registry Identity

NPI1063707966
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NameDR. JONATHAN NICHOLAS BYRDCredential: MD
Location Address4320 FOREST PARK AVE, STE 1100Saint Louis, MO 63108-2979
Mailing AddressPo Box 7412037Chicago, IL 60674-2037 · (314) 333-4100 · Fax (314) 333-4115
Fax(314) 333-4115
Sole ProprietorNo
Medical School CMSWashington University School Of MedicineGraduated 2011
Enumeration DateJune 20, 2011
Last NPPES UpdateApril 15, 20255 updates tracked since enumeration
NPI 1063707966 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License Licensed in MO · 2014004993
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.
4320 FOREST PARK AVE, Saint Louis, MO 63108

Other Identifiers 1

Medicaid200016739MO

Accepted 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

Dr. Jonathan Nicholas Byrd 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 ID6901034826
PECOS Enrollment IDI20140521002269
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 28

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.
422 services251 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.
399 services286 patients
Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit G0439
An annual wellness visit is a yearly appointment with your primary care provider to create or update a personalized prevention plan. This plan helps prevent illness based on your current health and risk factors. It's a subsequent visit, meaning it follows an initial assessment.
330 services330 patients
Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count 85025
A Complete Blood Cell Count is a common test that measures various components of the blood, including red cells (carry oxygen), white cells (fight infection), and platelets (help blood clot). An automated test ensures accuracy. The differential count provides detailed information about white cell types.
314 services268 patients
Blood test, comprehensive group of blood chemicals 80053
A comprehensive group of blood chemicals test, also known as a comprehensive metabolic panel, is a blood test that measures your sugar level, electrolyte and fluid balance, kidney function, and liver function. This helps to check your body's overall health.
292 services261 patients
Blood test, lipids (cholesterol and triglycerides) 80061
A lipid panel is a blood test that measures fats and fatty substances, such as cholesterol and triglycerides. These substances are used by your body as a source of energy. High levels can lead to health issues, including heart disease.
232 services217 patients

Hospital Affiliations CMS Care Compare 5

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

Memorial Hospital

Acute Care Hospitals · Belleville, IL
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number140185
Location4500 Memorial DriveBelleville, IL 62226 · St. Clair County
Emergency services Birthing friendly

Mercy Hospital St Louis

Acute Care Hospitals · Saint Louis, MO
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number260020
Location615 New Ballas RoadSaint Louis, MO 63141 · St. Louis County
Emergency services Birthing friendly

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

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

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 63108 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.

79.29/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality71.46
Promoting Interoperability100
Improvement Activities40
Cost59.51

Referred Medical Equipment & Supplies CMS DME claims 10

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

Blood glucose test or reagent strips for home blood glucose monitor, per 50 strips A4253
DME-Other DME · category DE017N
9 suppliers20 claims42 services$5.71 avg. paid by Medicare
Full face mask used with positive airway pressure device, each A7030
DME-Other DME · category DE001N
4 suppliers17 claims17 services$74.40 avg. paid by Medicare
Face mask interface, replacement for full face mask, each A7031
DME-Other DME · category DE001N
4 suppliers17 claims51 services$26.64 avg. paid by Medicare
Headgear used with positive airway pressure device A7035
DME-Other DME · category DE001N
5 suppliers15 claims15 services$13.66 avg. paid by Medicare
Tubing used with positive airway pressure device A7037
DME-Other DME · category DE001N
4 suppliers13 claims13 services$10.52 avg. paid by Medicare
Filter, disposable, used with positive airway pressure device A7038
DME-Other DME · category DE001N
6 suppliers23 claims138 services$1.68 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.

Internal Medicine
4320 FOREST PARK AVE, STE 1100
SAINT LOUIS, MO 63108
Clinical Medical Laboratory
4320 FOREST PARK AVE, SUITE 209
SAINT LOUIS, MO 63108
Pathology (Molecular Genetic Pathology)
4320 FOREST PARK AVE, DIV PA, GENOMIC AND MOLECULAR PATHOLOGY, STE 209
SAINT LOUIS, MO 63108
Internal Medicine
4320 FOREST PARK AVE, STE 1100
SAINT LOUIS, MO 63108
Pathology (Anatomic Pathology & Clinical Pathology)
4320 FOREST PARK AVE, DIV PA DERMATOPATHOLOGY, STE 212
SAINT LOUIS, MO 63108
Nurse Practitioner
4320 FOREST PARK AVE, STE 1100
SAINT LOUIS, MO 63108
Pathology (Clinical Pathology/Laboratory Medicine)
4320 FOREST PARK AVE, DIV PA, GENOMIC AND MOLECULAR PATHOLOGY, STE 209
SAINT LOUIS, MO 63108
Pathology (Molecular Genetic Pathology)
4320 FOREST PARK AVE, STE 209
SAINT LOUIS, MO 63108

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 Jonathan Byrd's NPI number?

The NPI number for Jonathan Byrd is 1063707966. It was assigned to this individual provider in the NPPES registry on June 20, 2011.

Where is Jonathan Byrd located?

Jonathan Byrd practices at 4320 Forest Park Ave Ste 1100, Saint Louis, MO 63108. The listed phone number is (314) 333-4100.

What is Jonathan Byrd's specialty?

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

Is Jonathan Byrd enrolled in Medicare?

Yes. Jonathan Byrd 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 Jonathan Byrd accept?

Health plans from Cox HealthPlans list Jonathan Byrd 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 Jonathan Byrd affiliated with any hospitals?

According to CMS data, Jonathan Byrd is affiliated with Memorial Hospital, Mercy Hospital St Louis, Barnes Jewish Hospital, Missouri Baptist Medical Center and Barnes-Jewish West County Hospital.

When was this NPI record last updated?

The NPPES record for Jonathan Byrd was last updated on April 15, 2025. NPI Profile syncs with the weekly NPPES data releases published by CMS.