JOHN MARK CHESTNUT M.D.
NPI 1497044499
Emergency Medicine in Birmingham, AL

Q: What is John Chestnut's NPI number?

The NPI number for John Chestnut is 1497044499. It was assigned to this individual provider in the NPPES registry on March 31, 2011.

Q: What is John Chestnut's specialty?

The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.

Q: When was this NPI record last updated?

The NPPES record for John Chestnut was last updated on July 3, 2019. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 years 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 March 31, 2011PECOS Enrolled

81.01/100

CMS Quality Rating

619 19TH ST S, BIRMINGHAM, AL 35249(205) 934-3640 Get Directions Write a Review

NPPES record last updated: July 3, 2019. Verified against the NPPES registry weekly; last sync: August 02, 2026.

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About John Mark Chestnut M.d. NPPES

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

JOHN MARK CHESTNUT M.D. (NPI 1497044499) is an individual emergency medicine provider in Birmingham, Alabama, licensed in Georgia (71326) and active in the NPI registry since March 2011. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1497044499

Entity TypeIndividualMale

Primary Taxonomy207P00000X

Provider Legal NameJOHN MARK CHESTNUTCredential: M.D.

Location Address619 19TH ST SBirmingham, AL 35249-1900

Mailing Address619 19th St SBirmingham, AL 35249-1900 · (205) 934-3640

Phone(205) 934-3640

Sole ProprietorNo

Enumeration DateMarch 31, 2011

Last NPPES UpdateJuly 3, 2019

✔ NPI 1497044499 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyEmergency MedicineAllopathic & Osteopathic Physicians

Taxonomy Code207P00000X

License✔ Licensed in GA · 71326

Definition

An emergency physician focuses on the immediate decision making and action necessary to prevent death or any further disability both in the pre-hospital setting by directing emergency medical technicians and in the emergency department. The emergency physician provides immediate recognition, evaluation, care, stabilization and disposition of a generally diversified population of adult and pediatric patients in response to acute illness and injury.

619 19TH ST S, Birmingham, AL 35249

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Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

John Mark Chestnut M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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 4

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.

Emergency department visit with high level of medical decision making 99285

An emergency department visit for severe conditions is when you urgently seek medical help due to serious health issues. These could be severe injuries, breathing problems, unbearable pain, or sudden severe illness. Doctors and nurses will provide immediate care to stabilize your condition.

291 services280 patients

Electrocardiogram (ecg) 1 to 3 leads with review by physician only 93042

An Electrocardiogram (ECG) is a non-invasive test that records the electrical activity of your heart. 1 to 3 leads or sensors are placed on your body to capture this data. A physician then reviews the results to evaluate your heart's health.

147 services145 patients

Emergency department visit with moderate level of medical decision making 99284

An emergency department visit for a high-severity issue means you're experiencing a serious health problem that needs immediate attention. This could be a severe injury, serious illness, or life-threatening condition. Medical professionals will provide urgent care to stabilize your condition.

65 services64 patients

Critical care, first 30-74 minutes 99291

Critical care involves immediate and constant attention by a team of specially-trained health professionals. It's for patients with life-threatening conditions, requiring first 30-74 minutes of intense monitoring and treatment.

50 services50 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 35249 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

$81.90 typical visit price

range $52.65 – $161.63

Typical copayment $20.47 (range $13.16 – $40.40)

Most-billed visit code 99203

Established Patient

$93.72 typical visit price

range $16.56 – $131.65

Typical copayment $23.43 (range $4.14 – $32.91)

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.

81.01/100

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

Scored as part of a group practice

Quality

71.01

Improvement Activities

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.

DR. GARRETT COLBY M.D.

Radiology (Diagnostic Radiology)

619 19TH ST S, JT N342
BIRMINGHAM, AL 35249

Jefferson County (205) 934-3108

SHANA MONIKA MACHADO D.O.

Internal Medicine (Nephrology)