Dr. Nicholas P. Slimack, MD

  • Santa Maria, CA
  • Neurosurgeon
NPI1265743884PAC ID1456514652
Medicare services, 2024
329
Medicare patients, 2024
223
Part D claims, 2024
49
Publications
12
MIPS score, 2024
100
Practice address
300 S Stratford Ave, Santa Maria, CA 93454-5903
Practice phone
Call (805) 739-3863
Professional email
Get professional email
Personal email
Get personal email
Mobile number
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Social profiles

Primary practice

Santa Maria Specialty Health Center

Multi-specialty group site · Santa Maria, California

See all 6 affiliations

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Dr. Nicholas P. Slimack is a neurosurgeon in Santa Maria, California

Dr. Slimack practices at Santa Maria Specialty Health Center in Santa Maria, California.

Dr. Slimack's NPI, 1265743884, was assigned on June 29, 2010. Dr. Slimack graduated from Loyola University Chicago Stritch School of Medicine in 2005. Dr. Slimack holds California license A120078.

NPI and contact details
Medicare PAC ID
1456514652
NPI enumeration date
June 29, 2010
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(805) 739-3863
Professional email
Get email
Personal email
Get email
Mobile number
Get number
Sex
Male
Estimated age
47
Medical school graduation
2005

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

Dr. Nicholas P. Slimack practices at Santa Maria Specialty Health Center in Santa Maria, California

Dr. Slimack's primary practice is Santa Maria Specialty Health Center, at 300 S Stratford Ave, Santa Maria, CA 93454-5903. The practice phone is (805) 739-3863.

  • Santa Maria Specialty Health Center
    300 S Stratford Ave, Santa Maria, CA 93454-5903Phone(805) 739-3863

Source: Dmand AI Affiliation Data

Dr. Nicholas P. Slimack is affiliated with 5 sites of care and 1 medical group

Dr. Slimack's primary practice is Santa Maria Specialty Health Center in Santa Maria, California. Dr. Slimack is also affiliated with Dignity Health - Marian Regional Medical Center. The medical group on file is Pacific Central Coast Health Centers Medical Group. Dmand AI also links Dr. Slimack to 1 more hospital and 2 home health agencies, each named with a free account.

See all 6 affiliations for Dr. Slimack

Source: Dmand AI Affiliation Data

Dmand AI tracks the EHR system at Dr. Nicholas P. Slimack's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Slimack practices, 5 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Santa Maria Specialty Health CenterAvailable with a free account
+4 more affiliated sitesAvailable with a free account

Source: Dmand AI Technology Install Data

For health IT teams

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Dr. Nicholas P. Slimack is one of 846 neurosurgeons in California

Neurological surgery is Dr. Slimack's primary specialty in the NPI Registry, under taxonomy code 207T00000X. Dr. Slimack is board certified in neurological surgery by the American Board of Neurological Surgery. Dmand AI has Dr. Slimack's licenses on file in 2 states: California and Illinois.

Specialties and state licenses

  • Neurological surgery, CaliforniaPrimaryLicense A120078 · 2012 to 2027 · taxonomy 207T00000X
  • Illinois license2008 to 2017

Clinical focus

Dmand AI lists back and neck pain treatment without fusion, craniotomy, lower back pain, muscle pain, fibromyalgia, and limb pain, neck pain and spine problems, spinal fusion and thoracic spine disorders among the conditions Dr. Slimack treats.

Neurosurgeons near Dr. Slimack

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

846neurosurgeons in California
2neurosurgeons in Santa Maria

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

Dr. Nicholas P. Slimack billed Medicare for 329 services in 2024

CMS data shows 329 Medicare services from Dr. Slimack across 8 procedure codes in 2024, for 223 Medicare patients. Medicare paid $22,136 for them.

Medicare services, 2024329
Medicare patients223
Paid by Medicare$22,136
Procedure codes8

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

  • 2023
  • 2024
Office and hospital visits
2023: 3202024: 3293%
Surgery
2023: 622024: 0100%

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

  • In an office28888%
  • In a facility4112%

Dr. Slimack compared with the California median for neurosurgeons, 2024

  • Dr. Slimack
  • California median
Medicare services
329vs 21652% above
Medicare patients
223vs 15445% above
Part D claims
17vs 2635% below

Medians across 679 neurosurgeons in California with Dmand AI profiles that report each measure.

Dr. Slimack'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. Slimack

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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Slimack and other neurosurgeons in California.

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

Dr. Nicholas P. Slimack treated 223 Medicare patients in 2024, average age 73

CMS counts 223 Medicare patients who saw Dr. Slimack in 2024. The largest group is 65 to 74, with 97 patients. 75% of them have arthritis, and 75% have high blood pressure. 27% are also on Medicaid. Their average risk score is 1.47, where 1.00 is the Medicare average.

Across all payers, Dmand AI patient panel data puts Dr. Slimack's median patient age at 64, with 52% women.

Medicare patients, 2024223
Average age73
Average risk score1.47
Also on Medicaid27%

Dr. Slimack's Medicare patients by age, 2024

Dr. Slimack's Medicare patients by sex, 2024

  • Women10447%
  • Men11953%

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

  1. Arthritis75%
  2. High blood pressure75%
  3. High cholesterol75%
  4. Diabetes41%
  5. Ischemic heart disease27%
  6. Alcohol and drug use disorders26%
  7. Anxiety24%
  8. Chronic kidney disease23%

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

Dr. Slimack's patients across all payers

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

Patient panel by age, all payers

Median age 64

Patient panel by sex, all payers

  • Women52%
  • Men48%

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

Dr. Nicholas P. Slimack wrote 49 Medicare Part D claims in 2024

In 2024, Dr. Slimack wrote 49 Medicare Part D claims for 27 patients. 100% of them were for generic drugs. CMS names the drug for 17 of them, across 1 drug with 11 or more claims each, at $212 in total drug cost. In 2023, CMS named 48 claims across 2 drugs.

Part D claims, 202449
Drugs named by CMS1
Total drug cost$212
Part D patients27

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

  • Opioids37%18 of 49 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: 482024: 1765%

Drugs named by CMS: 1 in 2024, 2 in 2023.

See all prescribing by Dr. Slimack

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. Nicholas P. Slimack scored 100 out of 100 in Medicare's MIPS program for 2024

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 100 out of 100 for Dr. Slimack for performance year 2024, reported through an alternative payment model (APM). Dr. Slimack accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 78 procedures of laminectomy or laminotomy (partial removal of spine bones) by Dr. Slimack, more than 89% of the clinicians it reports for that procedure.

Accepts Medicare assignment
Yes

Dr. Slimack's MIPS scores, performance year 2024

  • 100of 100Final score
  • 86.3of 100Quality
  • 100of 100Promoting Interoperability
  • 40of 100Improvement Activities

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

Where Dr. Slimack ranks in Medicare procedure volume

Spinal fusion
77th percentile116 procedures
Laminectomy or laminotomy (partial removal of spine bones)
89th percentile78 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. Nicholas P. Slimack has 12 publications on record

Dmand AI links 12 papers to Dr. Slimack, published from 2011 to 2012. 2011 was the busiest year, with 3. The most frequent topics are Prostatic Neoplasms, Patient Participation and Spinal Fusion. Dr. Slimack has published most often in Clin Prostate Cancer. Dr. Slimack's most frequent co-authors are Richard Glenn Fessler, MD, Tyler R. Koski, MD and Timothy M. Kuzel, MD.

Papers12
Years published2011 to 2012

Topics Dr. Slimack writes about most

  • Prostatic Neoplasms
  • Patient Participation
  • Spinal Fusion
  • Veterans

Dr. Slimack's most frequent co-authors

Recent publications by Dr. Slimack

See all 12 publications and co-authors

See who Dr. Slimack researches with

Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Slimack works with, so you can find a warm path to the right neurosurgeons.

How network discovery works

Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage

Dr. Nicholas P. Slimack received $2,834 in industry payments from 2016 to 2025

CMS Open Payments shows 77 general payments to Dr. Slimack from 17 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 100% of the total. Medtronic USA, Inc. paid the most, $1,685.

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

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

Share is of all general payments to this clinician.

See all payments to Dr. Slimack

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

Dr. Nicholas P. Slimack graduated from Loyola University Chicago Stritch School of Medicine

Dr. Slimack graduated from Loyola University Chicago Stritch School of Medicine in 2005. Dr. Slimack is a member of CNS.

  1. Medical schoolLoyola University Chicago Stritch School of Medicine
  2. Board certified in neurological surgeryAmerican Board of Neurological Surgery

Source: Dmand AI Professional Profile Data

Dr. Nicholas P. Slimack accepts plans from 10 insurance carriers

Dr. Slimack is in network with 10 carriers, including Elevance, Aetna and United Healthcare. Medicare plans come from the most carriers, 7. Check the plan with the practice before a visit.

  • Elevance
  • Aetna
  • United Healthcare
  • Blue Cross Blue Shield of Massachusetts
  • HCSC
  • Regence Health Plans
  • Aspirus Health Plan
  • Blue Cross and Blue Shield of Kansas City
  • +2 more carriersWith a free account

Plan types Dr. Slimack accepts, by number of carriers

  1. Medicare7
  2. PPO7
  3. POS4
  4. EPO3
  5. HMO3
  6. Medicaid1

Source: Dmand AI Insurance Network Data

Sources for Dr. Nicholas P. Slimack'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 phoneDmand AI Affiliation Data
Primary practice, affiliations and health systemDmand AI Affiliation 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)
Publications, topics and co-authorsPubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage
Industry paymentsOpen Payments (CMS) (opens in a new tab)
Training, board certification and membershipsDmand AI Professional Profile Data
Insurance carriers and plan typesDmand AI Insurance Network 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. Nicholas P. Slimack

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. Nicholas P. Slimack's NPI number?

Dr. Nicholas P. Slimack's NPI number is 1265743884. It was assigned on June 29, 2010, and it is active in the NPI Registry.

What kind of doctor is Dr. Nicholas P. Slimack?

Dr. Nicholas P. Slimack is a neurosurgeon in Santa Maria, California. The primary specialty in the NPI Registry is Neurological Surgery Physician (taxonomy code 207T00000X).

Where does Dr. Nicholas P. Slimack practice?

Dr. Slimack practices at 300 S Stratford Ave, Santa Maria, CA 93454-5903. Dr. Slimack's primary practice is Santa Maria Specialty Health Center in Santa Maria, California. Dmand AI also links Dr. Slimack to 1 hospital and 2 home health agencies.

What is Dr. Nicholas P. Slimack's office phone number?

The practice phone on file for Dr. Slimack is (805) 739-3863.

What is Dr. Nicholas P. Slimack's medical license number?

Dr. Slimack holds California license A120078, one of the licenses on file in 2 states.

Which states has Dr. Nicholas P. Slimack been licensed in?

Dmand AI has state licenses on file for Dr. Slimack in California (2012 to 2027) and Illinois (2008 to 2017).

Which hospitals is Dr. Nicholas P. Slimack affiliated with?

Dr. Slimack is affiliated with Dignity Health - Marian Regional Medical Center. Dmand AI links Dr. Slimack to 1 more hospital.

What medical group is Dr. Nicholas P. Slimack part of?

Dr. Slimack is linked to Pacific Central Coast Health Centers Medical Group.

Does Dr. Nicholas P. Slimack accept Medicare?

Yes. CMS data shows Dr. Slimack billed Medicare for 329 services in 2024, and Dr. Slimack accepts Medicare assignment.

What is Dr. Nicholas P. Slimack's MIPS score?

Dr. Slimack's MIPS final score for performance year 2024 is 100 out of 100, reported through an alternative payment model (APM).

Show 10 more questionsShow fewer questions

How many Medicare patients does Dr. Nicholas P. Slimack see?

CMS counts 223 Medicare patients who saw Dr. Slimack in 2024, with an average age of 73.

Is Dr. Nicholas P. Slimack board certified?

Yes. Dr. Slimack is board certified in neurological surgery by the American Board of Neurological Surgery.

What services does Dr. Nicholas P. Slimack bill to Medicare?

In 2024, Dr. Slimack's most billed Medicare services were office visit, established patient (99212), office visit, new patient (99203) and office visit, established patient (99213).

Where did Dr. Nicholas P. Slimack go to medical school?

Dr. Slimack graduated from Loyola University Chicago Stritch School of Medicine in 2005.

What drugs does Dr. Nicholas P. Slimack prescribe most?

In 2024 Medicare Part D data, Dr. Slimack's most prescribed drugs by claims were Hydrocodone-Acetaminophen.

Has Dr. Nicholas P. Slimack received payments from drug or device companies?

CMS Open Payments shows $2,834 in general payments to Dr. Slimack from 17 companies from 2016 to 2025. The largest total came from Medtronic USA, Inc.

How long has Dr. Nicholas P. Slimack been practicing?

Dr. Slimack graduated from medical school in 2005, 21 years ago.

Does Dr. Nicholas P. Slimack do research?

Dmand AI links 12 publications to Dr. Slimack, published from 2011 to 2012.

Who does Dr. Nicholas P. Slimack publish with?

Dr. Slimack's most frequent co-authors are Richard Glenn Fessler, MD (6 shared papers), Tyler R. Koski, MD (3 shared papers) and Timothy M. Kuzel, MD (2 shared papers).

What insurance does Dr. Nicholas P. Slimack accept?

Dr. Slimack is in network with 10 carriers, including Elevance, Aetna and United Healthcare. Medicare plans come from the most carriers, 7. Check the plan with the practice before a visit.

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