Dr. John Isaac Baker, MD
- Medicare services, 2024
- 702
- Medicare patients, 2024
- 355
- Part D claims, 2024
- 338
- Hospital affiliations
- 2
- Industry payments
- $7,164
- Practice address
- 3400 Highway 78 East, Jasper, AL 35502
- Practice phone
- Call (205) 387-4000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Baker's professional email, personal email and mobile number
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Dr. John Isaac Baker is a general surgeon in Jasper, Alabama
Dr. Baker practices at Baptist Health Walker Hospital in Jasper, Alabama, part of Orlando Health.
Dr. Baker's NPI, 1821389081, was assigned on April 22, 2011. Dr. Baker graduated from University of Alabama School of Medicine in 2011. Dr. Baker holds Alabama license 32558.
- NPI
- 1821389081NPI Registry (opens in a new tab)
- Medicare PAC ID
- 4587808951
- NPI enumeration date
- April 22, 2011
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (205) 387-4000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 41
- Medical school graduation
- 2011
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. John Isaac Baker practices at Baptist Health Walker Hospital in Jasper, Alabama
Dr. Baker's primary practice is Baptist Health Walker Hospital, at 3400 Highway 78 East, Jasper, AL 35502 in Walker County. The practice phone is (205) 387-4000.
- Baptist Health Walker Hospital3400 Highway 78 East, Jasper, AL 35502 · Walker CountyPhone(205) 387-4000
Source: Dmand AI Affiliation Data
Dr. John Isaac Baker is affiliated with 2 sites of care and 1 medical group
Dr. Baker's primary practice is Baptist Health Walker Hospital in Jasper, Alabama, part of Orlando Health. Dr. Baker is also affiliated with Baptist Health Princeton Hospital. The medical group on file is Dr Richardson and Baker PC.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. John Isaac Baker's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Baker practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Baptist Health Walker Hospital | Available with a free account |
| +1 more affiliated site | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. John Isaac Baker is one of 387 general surgeons in Alabama
Surgery is Dr. Baker's primary specialty in the NPI Registry, under taxonomy code 208600000X. Dr. Baker is licensed in Alabama.
Specialties and state licenses
- Surgery, AlabamaPrimary
General surgeons near Dr. Baker
Counts of general surgeons with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. John Isaac Baker billed Medicare for 702 services in 2024
CMS data shows 702 Medicare services from Dr. Baker across 9 procedure codes in 2024, for 355 Medicare patients. Medicare paid $60,730 for them.
Dr. Baker's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 6702024: 52921%
- Surgery
- 2023: 1622024: 1737%
Where Dr. Baker's Medicare services took place, 2024
- In an office39156%
- In a facility31144%
Dr. Baker compared with the Alabama median for general surgeons, 2024
- Dr. Baker
- Alabama median
- Medicare services
- 702vs 2203.2 times
- Medicare patients
- 355vs 1342.6 times
- Part D claims
- 224vs 902.5 times
Medians across 365 general surgeons in Alabama with Dmand AI profiles that report each measure.
Dr. Baker's most billed Medicare procedure codes, 2024
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. John Isaac Baker treated 355 Medicare patients in 2024, average age 73
CMS counts 355 Medicare patients who saw Dr. Baker in 2024. The largest group is 65 to 74, with 167 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 14% are also on Medicaid. Their average risk score is 1.20, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Baker's median patient age at 70, with 62% women.
Dr. Baker's Medicare patients by age, 2024
Dr. Baker's Medicare patients by sex, 2024
- Women21159%
- Men14441%
Chronic conditions among Dr. Baker's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis62%
- Diabetes40%
- Ischemic heart disease40%
- Chronic kidney disease37%
- Anxiety35%
- COPD29%
Share of Medicare patients with each condition. A patient can have several.
Dr. Baker's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 70
Patient panel by sex, all payers
- Women62%
- Men38%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. John Isaac Baker wrote 338 Medicare Part D claims in 2024
In 2024, Dr. Baker wrote 338 Medicare Part D claims for 178 patients. 92% of them were for generic drugs. CMS names the drug for 224 of them, across 6 drugs with 11 or more claims each, at $2,388 in total drug cost. In 2023, CMS named 259 claims across 10 drugs.
Dr. Baker's Part D claims by kind of drug, 2024
- Generic310 claims92%
- Brand-name28 claims8%
Dr. Baker's most prescribed drugs by claims, 2024
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Drug classes CMS tracks in Dr. Baker's Part D claims, 2024
- Opioids28%95 of 338 claims
- Antibiotics19%63 of 338 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 2592024: 22414%
Drugs named by CMS: 6 in 2024, 10 in 2023.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data
Dr. John Isaac Baker scored 0 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 0 out of 100 for Dr. Baker for performance year 2024, reported individually. Dr. Baker accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 361 procedures of colonoscopy by Dr. Baker, more than 98% of the clinicians it reports for that procedure.
- Accepts Medicare assignment
- Yes
Dr. Baker's MIPS scores, performance year 2024
- 0of 100Final score
- 0of 100Quality
- 0of 100Improvement Activities
- 0of 100Cost
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Where Dr. Baker ranks in Medicare procedure volume
- Colonoscopy
- 98th percentile361 procedures
- Upper gastrointestinal (GI) endoscopy for acid reflux
- 82nd percentile129 procedures
- Spinal fusion
- 78th percentile120 procedures
- Mastectomy
- 79th percentile21 procedures
- Hernia repair (minimally invasive)
- 77th percentile13 procedures
CMS ranks each clinician against every clinician it reports for the same procedure category.
Hernia repair - groin (open): 1 to 10 procedures (CMS shows small counts as a range)
Removal of tissue: 1 to 10 procedures (CMS shows small counts as a range)
Skin biopsy: 1 to 10 procedures (CMS shows small counts as a range)
Sources: Doctors and Clinicians National Downloadable File (CMS); Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026; and Doctors and Clinicians Utilization Data (CMS)
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Dr. John Isaac Baker received $7,164 in industry payments from 2016 to 2025
CMS Open Payments shows 66 general payments to Dr. Baker from 20 drug and device companies from 2016 to 2025. Travel and lodging make up the largest share, 37% of the total. Intuitive Surgical, Inc. paid the most, $4,340.
General payments to Dr. Baker by program year, 2016 to 2025
General payments to Dr. Baker by kind, 2016 to 2025
- Travel and lodging$2,68137%
- Food and beverage$2,08629%
- Education$2,00028%
- Speaker and faculty fees$2503%
- Device or supply loans$1472%
Companies that paid Dr. Baker the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. John Isaac Baker graduated from University of Alabama School of Medicine
Dr. Baker graduated from University of Alabama School of Medicine in 2011.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. John Isaac Baker's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab)Doctors and Clinicians Utilization Data (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. John Isaac Baker
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. John Isaac Baker's NPI number?
Dr. John Isaac Baker's NPI number is 1821389081. It was assigned on April 22, 2011, and it is active in the NPI Registry.
What kind of doctor is Dr. John Isaac Baker?
Dr. John Isaac Baker is a general surgeon in Jasper, Alabama. The primary specialty in the NPI Registry is Surgery Physician (taxonomy code 208600000X).
Where does Dr. John Isaac Baker practice?
Dr. Baker practices at 3400 Highway 78 East, Jasper, AL 35502. Dr. Baker's primary practice is Baptist Health Walker Hospital in Jasper, Alabama, part of Orlando Health.
What is Dr. John Isaac Baker's office phone number?
The practice phone on file for Dr. Baker is (205) 387-4000.
What is Dr. John Isaac Baker's medical license number?
Dr. Baker holds Alabama license 32558.
Which hospitals is Dr. John Isaac Baker affiliated with?
Dr. Baker practices at Baptist Health Walker Hospital in Jasper, Alabama. Dr. Baker is also affiliated with Baptist Health Princeton Hospital.
What medical group is Dr. John Isaac Baker part of?
Dr. Baker is linked to Dr Richardson and Baker PC.
Does Dr. John Isaac Baker accept Medicare?
Yes. CMS data shows Dr. Baker billed Medicare for 702 services in 2024, and Dr. Baker accepts Medicare assignment.
What is Dr. John Isaac Baker's MIPS score?
Dr. Baker's MIPS final score for performance year 2024 is 0 out of 100, reported individually.
How many Medicare patients does Dr. John Isaac Baker see?
CMS counts 355 Medicare patients who saw Dr. Baker in 2024, with an average age of 73.
Show 5 more questionsShow fewer questions
What services does Dr. John Isaac Baker bill to Medicare?
In 2024, Dr. Baker's most billed Medicare services were office visit, new patient (99204), office visit, established patient (99213) and office visit, established patient (99214).
Where did Dr. John Isaac Baker go to medical school?
Dr. Baker graduated from University of Alabama School of Medicine in 2011.
What drugs does Dr. John Isaac Baker prescribe most?
In 2024 Medicare Part D data, Dr. Baker's most prescribed drugs by claims were Hydrocodone-Acetaminophen, Omeprazole and Sucralfate.
Has Dr. John Isaac Baker received payments from drug or device companies?
CMS Open Payments shows $7,164 in general payments to Dr. Baker from 20 companies from 2016 to 2025. The largest total came from Intuitive Surgical, Inc.
How long has Dr. John Isaac Baker been practicing?
Dr. Baker graduated from medical school in 2011, 15 years ago.
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