Dr. Timothy Eugene Spencer Jr., DO

  • Battle Creek, MI
  • Neurosurgeon
NPI1053375758PAC ID4385642784
Medicare services, 2024
950
Medicare patients, 2024
218
Part D claims, 2024
1,418
MIPS score, 2024
24
Hospital affiliations
5
Practice address
14250 Beadle Lake Rd, Battle Creek, MI 49014
Practice phone
Call (989) 214-2166
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Greater Michigan Spine & Neurologic Institute

Battle Creek, Michigan

See all 7 affiliations

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Dr. Timothy Eugene Spencer Jr. is a neurosurgeon in Battle Creek, Michigan

Dr. Spencer practices at Greater Michigan Spine & Neurologic Institute in Battle Creek, Michigan.

Dr. Spencer's NPI, 1053375758, was assigned on April 12, 2006. Dr. Spencer graduated from At Still University of Health Sciences, College of Osteo Med, Kirksville in 1996. Dr. Spencer holds Michigan license 5101017055.

NPI and contact details
Medicare PAC ID
4385642784
NPI enumeration date
April 12, 2006
NPI status
Active
Accepts Medicare assignment
Yes
Offers telehealth
Yes
Practice phone
(989) 214-2166
Professional email
Get email
Personal email
Get email
Mobile number
Get number
Sex
Male
Estimated age
56
Medical school graduation
1996

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)

Dr. Timothy Eugene Spencer Jr. practices at Greater Michigan Spine & Neurologic Institute in Battle Creek, Michigan

Dr. Spencer's primary practice is Greater Michigan Spine & Neurologic Institute, at 14250 Beadle Lake Rd, Battle Creek, MI 49014 in Calhoun County. The practice phone is (989) 214-2166.

  • Greater Michigan Spine & Neurologic Institute
    14250 Beadle Lake Rd, Battle Creek, MI 49014 · Calhoun CountyPhone(989) 214-2166

Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data

Dr. Timothy Eugene Spencer Jr. is affiliated with 7 sites of care

Dr. Spencer's primary practice is Greater Michigan Spine & Neurologic Institute in Battle Creek, Michigan. Dr. Spencer is also affiliated with Bronson Battle Creek Hospital. Dmand AI also links Dr. Spencer to 4 more hospitals and 1 physician office, each named with a free account.

See all 7 affiliations for Dr. Spencer

Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data

Dmand AI tracks the EHR system at Dr. Timothy Eugene Spencer Jr.'s practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Spencer practices, 6 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Greater Michigan Spine & Neurologic InstituteAvailable with a free account
+6 more affiliated sitesAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Timothy Eugene Spencer Jr. is one of 256 neurosurgeons in Michigan

Neurological surgery is Dr. Spencer's primary specialty in the NPI Registry, under taxonomy code 207T00000X. Dmand AI has Dr. Spencer's licenses on file in 2 states: Michigan and Ohio.

Specialties and state licenses

  • Neurological surgery, MichiganPrimaryLicense 5101017055 · taxonomy 207T00000X
  • Ohio licenseLicense 34.006663

Neurosurgeons near Dr. Spencer

Counts of neurosurgeons with a Dmand AI profile, by place and practice. Each opens the list.

256neurosurgeons in Michigan
2neurosurgeons in Battle Creek

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks

Dr. Timothy Eugene Spencer Jr. billed Medicare for 950 services in 2024

CMS data shows 950 Medicare services from Dr. Spencer across 16 procedure codes in 2024, for 218 Medicare patients. Medicare paid $257,207 for them.

Medicare services, 2024950
Medicare patients218
Paid by Medicare$257,207
Procedure codes16

Dr. Spencer's Medicare services by type, 2023 to 2024

  • 2023
  • 2024
Office and hospital visits
2023: 6212024: 51916%
Surgery
2023: 4442024: 4313%

Where Dr. Spencer's Medicare services took place, 2024

  • In an office51955%
  • In a facility43145%

Dr. Spencer compared with the Michigan median for neurosurgeons, 2024

  • Dr. Spencer
  • Michigan median
Medicare services
950vs 1625.9 times
Medicare patients
218vs 12279% above
Part D claims
1,339vs 3340.6 times

Medians across 219 neurosurgeons in Michigan with Dmand AI profiles that report each measure.

Dr. Spencer'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.

See all procedures by Dr. Spencer

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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks

Dr. Timothy Eugene Spencer Jr. treated 218 Medicare patients in 2024, average age 71

CMS counts 218 Medicare patients who saw Dr. Spencer in 2024. The largest group is 65 to 74, with 84 patients. 75% of them have arthritis, and 74% have high blood pressure. 17% are also on Medicaid. Their average risk score is 1.26, where 1.00 is the Medicare average.

Across all payers, Dmand AI patient panel data puts Dr. Spencer's median patient age at 65, with 53% women.

Medicare patients, 2024218
Average age71
Average risk score1.26
Also on Medicaid17%

Dr. Spencer's Medicare patients by age, 2024

Dr. Spencer's Medicare patients by sex, 2024

  • Women13261%
  • Men8639%

Chronic conditions among Dr. Spencer's Medicare patients, 2024

  1. Arthritis75%
  2. High blood pressure74%
  3. High cholesterol73%
  4. Osteoporosis41%
  5. Mood disorders39%
  6. Anxiety37%
  7. Depression36%
  8. Diabetes35%

Share of Medicare patients with each condition. A patient can have several.

Dr. Spencer's patients across all payers

Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.

Patient panel by age, all payers

Median age 65

Patient panel by sex, all payers

  • Women53%
  • Men47%

Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data

Dr. Timothy Eugene Spencer Jr. wrote 1,418 Medicare Part D claims in 2024

In 2024, Dr. Spencer wrote 1,418 Medicare Part D claims for 288 patients. 91% of them were for generic drugs. CMS names the drug for 1,339 of them, across 18 drugs with 11 or more claims each, at $374,025 in total drug cost. In 2023, CMS named 1,462 claims across 19 drugs.

Part D claims, 20241,418
Drugs named by CMS18
Total drug cost$374,025
Part D patients288

Dr. Spencer's Part D claims by kind of drug, 2024

  • Generic1,290 claims91%
  • Brand-name and other128 claims9%

Dr. Spencer'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. Spencer's Part D claims, 2024

  • Opioids33%469 of 1,418 claims
  • Antibiotics14%197 of 1,418 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: 1,4622024: 1,3398%

Drugs named by CMS: 18 in 2024, 19 in 2023.

See all prescribing by Dr. Spencer

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. Timothy Eugene Spencer Jr. scored 24 out of 100 in Medicare's MIPS program for 2024

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 24 out of 100 for Dr. Spencer for performance year 2024, reported individually. Dr. Spencer accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Spencer as offering telehealth. CMS counts 43 procedures of spinal fusion by Dr. Spencer, more than 52% of the clinicians it reports for that procedure.

Accepts Medicare assignment
Yes
Offers telehealth
Yes

Dr. Spencer's MIPS scores, performance year 2024

  • 24of 100Final score
  • 0of 100Quality
  • 0of 100Improvement Activities
  • 80of 100Cost

Each score is out of 100. The final score weighs the categories CMS scored for this clinician.

Where Dr. Spencer ranks in Medicare procedure volume

Spinal fusion
52nd percentile43 procedures
Laminectomy or laminotomy (partial removal of spine bones)
38th percentile13 procedures

CMS ranks each clinician against every clinician it reports for the same procedure category.

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. Timothy Eugene Spencer Jr. received $1,177,797 in industry payments from 2016 to 2025

CMS Open Payments shows 291 general payments to Dr. Spencer from 50 drug and device companies from 2016 to 2025. Royalties and licenses make up the largest share, 93% of the total. Osseus Fusion Systems, LLC paid the most, $589,947.

General payments to Dr. Spencer by program year, 2016 to 2025

General payments to Dr. Spencer by kind, 2016 to 2025

$1.2Min total
  • Royalties and licenses$1,100,26393%
  • Consulting fees$72,4386%
  • Food and beverage$4,8570%
  • Gifts$1400%
  • Education$990%

Companies that paid Dr. Spencer the most, 2016 to 2025

Share is of all general payments to this clinician.

See all payments to Dr. Spencer

Source: Open Payments (CMS), 2025 data, released July 7, 2026

Dr. Timothy Eugene Spencer Jr. graduated from At Still University of Health Sciences, College of Osteo Med, Kirksville

Dr. Spencer graduated from At Still University of Health Sciences, College of Osteo Med, Kirksville in 1996.

  1. Medical schoolAt Still University of Health Sciences, College of Osteo Med, Kirksville

Source: Dmand AI Professional Profile Data

Sources for Dr. Timothy Eugene Spencer Jr.'s profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data
Primary practice, affiliations and health systemNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation DataDmand AI Org Hierarchy Data
Medicare services and procedure codesMedicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab)
State medians for the same specialtyDmand AI Peer Benchmarks
Medicare patients and the all-payer patient panelDmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab)
Part D prescribingMedicare 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 percentilesDoctors 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 paymentsOpen Payments (CMS) (opens in a new tab)
Training, board certification and membershipsDmand AI Professional Profile Data
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand AI Affiliation Data

Data last refreshed October 2026Report an inaccuracyRemove my information

FAQ

Frequently asked questions about Dr. Timothy Eugene Spencer Jr.

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. Timothy Eugene Spencer Jr.'s NPI number?

Dr. Timothy Eugene Spencer Jr.'s NPI number is 1053375758. It was assigned on April 12, 2006, and it is active in the NPI Registry.

What kind of doctor is Dr. Timothy Eugene Spencer Jr.?

Dr. Timothy Eugene Spencer Jr. is a neurosurgeon in Battle Creek, Michigan. The primary specialty in the NPI Registry is Neurological Surgery Physician (taxonomy code 207T00000X).

Where does Dr. Timothy Eugene Spencer Jr. practice?

Dr. Spencer practices at 14250 Beadle Lake Rd, Battle Creek, MI 49014. Dr. Spencer's primary practice is Greater Michigan Spine & Neurologic Institute in Battle Creek, Michigan. Dmand AI also links Dr. Spencer to 4 hospitals and 1 physician office.

What is Dr. Timothy Eugene Spencer Jr.'s office phone number?

The practice phone on file for Dr. Spencer is (989) 214-2166.

What is Dr. Timothy Eugene Spencer Jr.'s medical license number?

Dr. Spencer holds Michigan license 5101017055, one of the licenses on file in 2 states.

Which states has Dr. Timothy Eugene Spencer Jr. been licensed in?

Dmand AI has state licenses on file for Dr. Spencer in Michigan and Ohio.

Which hospitals is Dr. Timothy Eugene Spencer Jr. affiliated with?

Dr. Spencer is affiliated with Bronson Battle Creek Hospital. Dmand AI links Dr. Spencer to 4 more hospitals.

Does Dr. Timothy Eugene Spencer Jr. accept Medicare?

Yes. CMS data shows Dr. Spencer billed Medicare for 950 services in 2024, and Dr. Spencer accepts Medicare assignment.

Does Dr. Timothy Eugene Spencer Jr. offer telehealth?

Yes. The CMS Doctors and Clinicians file lists Dr. Spencer as offering telehealth services.

What is Dr. Timothy Eugene Spencer Jr.'s MIPS score?

Dr. Spencer's MIPS final score for performance year 2024 is 24 out of 100, reported individually.

Show 6 more questionsShow fewer questions

How many Medicare patients does Dr. Timothy Eugene Spencer Jr. see?

CMS counts 218 Medicare patients who saw Dr. Spencer in 2024, with an average age of 71.

What services does Dr. Timothy Eugene Spencer Jr. bill to Medicare?

In 2024, Dr. Spencer's most billed Medicare services were office visit, established patient (99214), surgery: bones and joints (22853) and office visit, new patient (99204).

Where did Dr. Timothy Eugene Spencer Jr. go to medical school?

Dr. Spencer graduated from At Still University of Health Sciences, College of Osteo Med, Kirksville in 1996.

What drugs does Dr. Timothy Eugene Spencer Jr. prescribe most?

In 2024 Medicare Part D data, Dr. Spencer's most prescribed drugs by claims were Oxycodone-Acetaminophen, Doxycycline Monohydrate and Baclofen.

Has Dr. Timothy Eugene Spencer Jr. received payments from drug or device companies?

CMS Open Payments shows $1,177,797 in general payments to Dr. Spencer from 50 companies from 2016 to 2025. The largest total came from Osseus Fusion Systems, LLC.

How long has Dr. Timothy Eugene Spencer Jr. been practicing?

Dr. Spencer graduated from medical school in 1996, 30 years ago.

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