JACOB JOHN BAKER MD, PHD
NPI 1093377012
Internal Medicine in Grand Rapids, MI

Active since June 29, 2019PECOS EnrolledAccepts Medicare Assignment
25 MICHIGAN ST NE STE 2100, GRAND RAPIDS, MI 49503(616) 391-3777 Get Directions Write a Review

NPPES record last updated: May 31, 2022. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Jul 15, 2019, Jul 1, 2019 (2 updates tracked since 2019).

About Jacob John Baker Md, Phd NPPES

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

JACOB JOHN BAKER MD, PHD (NPI 1093377012) is an individual internal medicine provider in Grand Rapids, Michigan, licensed in Michigan (4351045602) and active in the NPI registry since June 2019. He is enrolled in Medicare PECOS, is affiliated with Bronson Methodist Hospital, and is a graduate of Other (2019).

NPPES Registry Identity

NPI1093377012
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NameJACOB JOHN BAKERCredential: MD, PHD
Location Address25 MICHIGAN ST NE STE 2100Grand Rapids, MI 49503-2526
Mailing Address25 Michigan St Ne Ste 2100Grand Rapids, MI 49503-2526
Sole ProprietorNo
Medical School CMSOtherGraduated 2019
Enumeration DateJune 29, 2019
Last NPPES UpdateMay 31, 20222 updates tracked since enumeration
NPPES CertifiedMay 31, 2022
NPI 1093377012 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License Licensed in MI · 4351045602
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.
25 MICHIGAN ST NE STE 2100, Grand Rapids, MI 49503

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

Jacob John Baker Md, Phd 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 ID3072841436
PECOS Enrollment IDI20241227002214
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

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.

Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 99223
Initial hospital inpatient care per day, typically 70 minutes, refers to the daily medical service provided to patients admitted to the hospital. This includes a comprehensive evaluation, diagnosis, treatment plan, and monitoring of your health condition. It ensures your well-being during your hospital stay.
16 services16 patients

Hospital Affiliations CMS Care Compare 2

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

Bronson Methodist Hospital

Acute Care Hospitals · Kalamazoo, MI
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number230017
Location601 John StreetKalamazoo, MI 49007 · Kalamazoo County
Emergency services Birthing friendly

Mercy Health Saint Mary's

Acute Care Hospitals · Grand Rapids, MI
4/5 CMS rating
OwnershipVoluntary non-profit - Church
CMS Certification Number230059
Location200 Jefferson Avenue SEGrand Rapids, MI 49503 · Kent County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 49503 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
$126.15 typical visit price
range $54.34 – $166.68
Typical copayment $31.53 (range $13.58 – $41.67)
Most-billed visit code 99204
Established Patient
$96.44 typical visit price
range $17.09 – $135.40
Typical copayment $24.11 (range $4.27 – $33.85)
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.

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.

Pharmacist (Ambulatory Care)
25 MICHIGAN ST NE STE 2100
GRAND RAPIDS, MI 49503
Internal Medicine
25 MICHIGAN ST NE STE 2100
GRAND RAPIDS, MI 49503
Medical Genetics (Clinical Genetics (M.D.))
25 MICHIGAN ST NE STE 2100
GRAND RAPIDS, MI 49503
Internal Medicine
25 MICHIGAN ST NE STE 2100
GRAND RAPIDS, MI 49503
Pediatrics
25 MICHIGAN ST NE STE 2100
GRAND RAPIDS, MI 49503
Psychiatry & Neurology (Neurology with Special Qualifications in Child Neurology)
25 MICHIGAN ST NE STE 2100
GRAND RAPIDS, MI 49503
Internal Medicine
25 MICHIGAN ST NE STE 2100
GRAND RAPIDS, MI 49503
Psychiatry & Neurology (Neurology with Special Qualifications in Child Neurology)
25 MICHIGAN ST NE STE 2100
GRAND RAPIDS, MI 49503

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 Jacob Baker's NPI number?

The NPI number for Jacob Baker is 1093377012. It was assigned to this individual provider in the NPPES registry on June 29, 2019.

Where is Jacob Baker located?

Jacob Baker practices at 25 Michigan St NE Ste 2100, Grand Rapids, MI 49503. The listed phone number is (616) 391-3777.

What is Jacob Baker's specialty?

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

Is Jacob Baker enrolled in Medicare?

Yes. Jacob Baker 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 Jacob Baker accept?

Health plans from Blue Care Network of Michigan, Blue Cross Blue Shield of Michigan Mutual Insurance Company, McLaren Health Plan Community and Priority Health list Jacob Baker 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 Jacob Baker affiliated with any hospitals?

According to CMS data, Jacob Baker is affiliated with Bronson Methodist Hospital and Mercy Health Saint Mary's.

When was this NPI record last updated?

The NPPES record for Jacob Baker was last updated on May 31, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.