Dr. Jacob John Baker, MD, PhD
- Medicare services, 2024
- 16
- Medicare patients, 2024
- 28
- Part D claims, 2024
- 280
- Hospital affiliations
- 3
- Industry payments
- $298
- Practice address
- 605 Oak Street, Big Rapids, MI 49307
- Practice phone
- Call (231) 796-8691
- 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
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Dr. Jacob John Baker is an internist in Big Rapids, Michigan
Dr. Baker practices at Corewell Health Big Rapids Hospital in Big Rapids, Michigan, part of Corewell Health.
Dr. Baker's NPI, 1093377012, was assigned on June 29, 2019. Dr. Baker holds Michigan license 4351045602.
- NPI
- 1093377012NPI Registry (opens in a new tab)
- Medicare PAC ID
- 3072841436
- NPI enumeration date
- June 29, 2019
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (231) 796-8691
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 33
- Medical school graduation
- 2019
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Jacob John Baker practices at Corewell Health Big Rapids Hospital in Big Rapids, Michigan
Dr. Baker's primary practice is Corewell Health Big Rapids Hospital, at 605 Oak Street, Big Rapids, MI 49307 in Mecosta County. The practice phone is (231) 796-8691.
- Corewell Health Big Rapids Hospital605 Oak Street, Big Rapids, MI 49307 · Mecosta CountyPhone(231) 796-8691
Source: Dmand AI Affiliation Data
Dr. Jacob John Baker is affiliated with 5 sites of care and 2 medical groups
Dr. Baker's primary practice is Corewell Health Big Rapids Hospital in Big Rapids, Michigan, part of Corewell Health. Dr. Baker is also affiliated with Bronson Methodist Hospital. The medical group on file is Trinity Health Medical Group. Dmand AI also links Dr. Baker to 1 more hospital, 2 group practices and clinics and 1 medical group, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Jacob John Baker's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Baker practices, 5 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Corewell Health Big Rapids Hospital | Available with a free account |
| +4 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
Dmand AI maps EHR vendors, IT decision makers and buying committees across Corewell Health and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Jacob John Baker is one of 4,804 internists in Michigan
Internal medicine is Dr. Baker's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Baker is licensed in Michigan.
Specialties and state licenses
- Internal medicine, MichiganPrimary
Internists near Dr. Baker
Counts of internists 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. Jacob John Baker billed Medicare for 16 services in 2024
CMS data shows 16 Medicare services from Dr. Baker across 1 procedure code in 2024, for 28 Medicare patients. Medicare paid $2,114 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Baker compared with the Michigan median for internists, 2024
- Dr. Baker
- Michigan median
- Medicare services
- 16vs 42396% below
- Medicare patients
- 28vs 15982% below
- Part D claims
- 129vs 31459% below
Medians across 4,524 internists in Michigan 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.
Need commercial claims for Dr. Baker?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Baker and other internists in Michigan.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Jacob John Baker treated 28 Medicare patients in 2024, average age 68
CMS counts 28 Medicare patients who saw Dr. Baker in 2024. The largest group is 65 to 74, with 11 patients. 75% of them have high blood pressure, and 75% have high cholesterol. Their average risk score is 3.19, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Dr. Baker's median patient age at 62, with 59% women.
Dr. Baker's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Baker's Medicare patients by sex, 2024
- Women1346%
- Men1554%
Chronic conditions among Dr. Baker's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Anxiety64%
- Arthritis64%
- Diabetes61%
- Mood disorders61%
- Depression54%
- Chronic kidney disease46%
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 62
Patient panel by sex, all payers
- Women59%
- Men40%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Jacob John Baker wrote 280 Medicare Part D claims in 2024
In 2024, Dr. Baker wrote 280 Medicare Part D claims for 73 patients. 39% of them were for generic drugs. CMS names the drug for 129 of them, across 4 drugs with 11 or more claims each, at $411,783 in total drug cost. In 2023, CMS named 50 claims across 2 drugs.
Dr. Baker's Part D claims by kind of drug, 2024
- Generic110 claims39%
- Brand-name170 claims61%
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
- Antibiotics18%51 of 280 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: 502024: 129158%
Drugs named by CMS: 4 in 2024, 2 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. Jacob John Baker offers telehealth to Medicare patients
Dr. Baker accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Baker as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
For MedTech and pharma teams
Filter 7.4M+ HCPs by Medicare procedures, Part D drugs and Open Payments history, then reach them with verified contacts in one login.
Dr. Jacob John Baker received $298 in industry payments from 2020 to 2025
CMS Open Payments shows 6 general payments to Dr. Baker from 6 drug and device companies from 2020 to 2025. Food and beverage make up the largest share, 100% of the total. Abbvie Inc. paid the most, $125.
General payments to Dr. Baker by program year, 2020 to 2025
Companies that paid Dr. Baker the most, 2020 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. Jacob John 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) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| 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. Jacob John 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. Jacob John Baker's NPI number?
Dr. Jacob John Baker's NPI number is 1093377012. It was assigned on June 29, 2019, and it is active in the NPI Registry.
What kind of doctor is Dr. Jacob John Baker?
Dr. Jacob John Baker is an internist in Big Rapids, Michigan. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Jacob John Baker practice?
Dr. Baker practices at 605 Oak Street, Big Rapids, MI 49307. Dr. Baker's primary practice is Corewell Health Big Rapids Hospital in Big Rapids, Michigan, part of Corewell Health. Dmand AI also links Dr. Baker to 1 hospital, 2 group practices and clinics and 1 medical group.
What is Dr. Jacob John Baker's office phone number?
The practice phone on file for Dr. Baker is (231) 796-8691.
What is Dr. Jacob John Baker's medical license number?
Dr. Baker holds Michigan license 4351045602.
Which hospitals is Dr. Jacob John Baker affiliated with?
Dr. Baker practices at Corewell Health Big Rapids Hospital in Big Rapids, Michigan. Dr. Baker is also affiliated with Bronson Methodist Hospital. Dmand AI links Dr. Baker to 1 more hospital.
What medical group is Dr. Jacob John Baker part of?
Dr. Baker is linked to Trinity Health Medical Group. Dmand AI links Dr. Baker to 1 more medical group.
Does Dr. Jacob John Baker accept Medicare?
Yes. CMS data shows Dr. Baker billed Medicare for 16 services in 2024, and Dr. Baker accepts Medicare assignment.
Does Dr. Jacob John Baker offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Baker as offering telehealth services.
How many Medicare patients does Dr. Jacob John Baker see?
CMS counts 28 Medicare patients who saw Dr. Baker in 2024, with an average age of 68.
Show 4 more questionsShow fewer questions
What services does Dr. Jacob John Baker bill to Medicare?
In 2024, Dr. Baker's most billed Medicare services were hospital inpatient care (99223).
What drugs does Dr. Jacob John Baker prescribe most?
In 2024 Medicare Part D data, Dr. Baker's most prescribed drugs by claims were Biktarvy, Dovato and Tivicay.
Has Dr. Jacob John Baker received payments from drug or device companies?
CMS Open Payments shows $298 in general payments to Dr. Baker from 6 companies from 2020 to 2025. The largest total came from Abbvie Inc.
How long has Dr. Jacob John Baker been practicing?
Dr. Baker graduated from medical school in 2019, 7 years ago.
Selling to internal medicine practices?
See internists in Michigan by site of care and group
Find the practices, groups and hospitals they work with, and the right people to contact at each.
- 30 days free
- Self-serve
- No credit card