JOHN ISAAC BAKER (M.D.) – Surgery Physician, NPI 1821389081

JOHN ISAAC BAKER (M.D.) is a healthcare provider. based in Jasper, Alabama. specializing in GENERAL SURGERY. They hold the professional credentials M.D.. They hold a License No. 32558 (AL). The NPI Number for JOHN ISAAC BAKER (M.D.) is 1821389081

Main info

Male
15 Years Of Experience
Accepts Medicare Assignment
Name
JOHN ISAAC BAKER (M.D.)
NPI
1821389081
Phone
(205) 221-4916
Address
3400 HIGHWAY 78 E
Enumeration Date
22 April 2011
Last Update Date
2 June 2016

Doctor Profile

Medical School Name
UNIVERSITY OF ALABAMA SCHOOL OF MEDICINE
Secondary Phone
2052214916
Graduation Year
2011 (15 years ago)
PAC ID
4587808951
Group Practice PAC ID
7113974148
Professional Enrollment ID
I20160908001052
Address ID
AL355016117JA1446XRDXX401
Data current as of
20 May 2026

Profile Insights

NPPES metrics only — not quality of care.

Methodology
Experience44
Completeness75
Years active:15State licenses:1Digital endpointsOther names

522 GENERAL SURGERY in AL

Provider Addresses for JOHN ISAAC BAKER (M.D.)

  • 3400 HIGHWAY 78 E

    MEDICAL ARTS TOWER, SUITE 502

    JASPER, AL 355018956

    Phone: (205) 221-4916

    Mailing address matches the actual address.

NPPES updates history

No NPPES updates recorded for this provider.

Prescription Activity

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Open Payments (CMS)

CMS reports 7 Open Payments records for all available years, with a total value of $240.

Total Amount is formed as General ($240) + Research ($0) + Ownership ($0) = $240.

Last reported payment date: 2024-11-26 • Largest payer in this snapshot: Integra LifeSciences Corporation ($157).

Total Amount

$240

General + Research + Ownership

Payments

7

Total payment records

General Amount

$240

General payments

Research Amount

$0

Research funding

Ownership Amount

$0

Ownership interests

Ownership Count

0

Ownership records

Last Payment Date

2024-11-26

Latest reported date

View all Open Payments →|Open Payments Risk Radar →

Medicare Enrollment & Revalidation

Source: CMS public data · Not endorsed by CMS ·

Educational use only—not medical, billing, or legal advice.

PECOS enrollment status

Participating (accepts Medicare assignment)

Enrollment effective: 2016-09-08

PECOS data refreshed: 2026-05-27

Medicare revalidation (CMS due date list)

Due date not assigned yet

CMS is tracking this Medicare enrollment for revalidation, but has not published a due date.

Enrollment records

1

Earliest due date

Not assigned (TBD)

CMS data updated

2026-06-01

Revalidation progress

  1. Medicare enrolled
  2. On CMS revalidation list
  3. Due date assigned
  4. Revalidate in PECOS

CMS enrollment records

Enrollment IDTypeSpecialtyStateDue date
I20160908001052IGeneral SurgeryALTBD

What to do next

  • No action required while the due date shows TBD.
  • Check the CMS Revalidation Lookup Tool periodically — CMS updates the list about every 60 days.
  • Do not submit a revalidation application in PECOS until CMS publishes a concrete due date.

Verify on CMS Revalidation Lookup Tool

Prepare CMS-855 application → · Look up this NPI in PECOS → · Verify on CMS PECOS

Medicare Utilization (FFS)

Source: CMS public data · Not endorsed by CMS · Beneficiary counts under 11 are suppressed in source data ·

Educational use only—not medical, billing, or legal advice.

Top Medicare procedures (2023) · refreshed 2026-05-27

HCPCSDescriptionServicesBeneficiariesMedicare allowed
99213Established patient office or other outpatient visit, 20-29 minutes214161$0
99204New patient office or other outpatient visit, 45-59 minutes151151$0
99214Established patient office or other outpatient visit, 30-39 minutes12197$0
99233Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes10230$0
45384Removal of polyps or growths of large bowel using a flexible endoscope with electrical cautery6868$0
View full utilization report →

Insurance plans in this area (ZIP 35501)

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Group practice members

Group practice members are other physicians who share the same Group Practice PAC ID with this doctor. When doctors form a group practice and register in PECOS as a single entity, they receive a shared identification number. This table lists all providers in the same group practice.
PAC ID: 7113974148View full group profile
NameSpecialtyState
General SurgeryAL
Nurse PractitionerAL

Reviews

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Frequently asked questions

What federal number belongs to JOHN ISAAC BAKER (M.D.)?
The federal identifier for JOHN ISAAC BAKER (M.D.) is NPI 1821389081.
Is JOHN ISAAC BAKER (M.D.) active in the national directory?
JOHN ISAAC BAKER (M.D.)'s public NPI profile is in an active state.
Can you summarize JOHN ISAAC BAKER (M.D.)'s specialty in plain language?
Clinically, the directory lists JOHN ISAAC BAKER (M.D.) with Surgery Physician. Clinical services aligned with this taxonomy classification.
Where does public data place JOHN ISAAC BAKER (M.D.)?
The snapshot lists Jasper, Alabama for JOHN ISAAC BAKER (M.D.); download NPPES for the complete set.
Is JOHN ISAAC BAKER (M.D.) a real provider?
This page reflects official NPPES data for NPI 1821389081. Always confirm identity and privileges with the practice and licensing boards.

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