Dr. Gary Thomas Schwartzbauer, MD

  • Baltimore, MD
  • Neurosurgeon
NPI1235332040PAC ID0345552816
Medicare services, 2024
113
Medicare patients, 2024
70
Publications
48
Hospital affiliations
1
Industry payments
$534
Practice address
22 South Greene Street, Baltimore, MD 21201
Practice phone
Call (410) 328-8667
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

University of Maryland Medical Center

Hospital · Baltimore, Maryland

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Dr. Gary Thomas Schwartzbauer is a neurosurgeon in Baltimore, Maryland

Dr. Schwartzbauer practices at University of Maryland Medical Center in Baltimore, Maryland, part of University of Maryland Medical System.

Dr. Schwartzbauer's NPI, 1235332040, was assigned on June 8, 2007. Dr. Schwartzbauer graduated from University of Maryland School of Medicine in 2007. Dr. Schwartzbauer holds Maryland license D0079793.

NPI and contact details
Medicare PAC ID
0345552816
NPI enumeration date
June 8, 2007
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(410) 328-8667
Professional email
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Personal email
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Mobile number
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Sex
Male
Estimated age
45
Medical school graduation
2007

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

Dr. Gary Thomas Schwartzbauer practices at University of Maryland Medical Center in Baltimore, Maryland

Dr. Schwartzbauer's primary practice is University of Maryland Medical Center, at 22 South Greene Street, Baltimore, MD 21201 in Baltimore City. The practice phone is (410) 328-8667.

Source: Dmand AI Affiliation Data

Dr. Gary Thomas Schwartzbauer is affiliated with 1 site of care and 2 medical groups

Dr. Schwartzbauer's primary practice is University of Maryland Medical Center in Baltimore, Maryland, part of University of Maryland Medical System. The medical group on file is R Adams Cowley Shock Trauma Center at the University of Maryland. Dmand AI also links Dr. Schwartzbauer to 1 more medical group, named with a free account.

See all 3 affiliations for Dr. Schwartzbauer

Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data

Dmand AI tracks the EHR system at Dr. Gary Thomas Schwartzbauer's practice

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

EHR by site
SiteEHR vendor and product
University of Maryland Medical CenterAvailable with a free account
+1 medical groupAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Gary Thomas Schwartzbauer is one of 134 neurosurgeons in Maryland

Neurological surgery is Dr. Schwartzbauer's primary specialty in the NPI Registry, under taxonomy code 207T00000X. Dr. Schwartzbauer is licensed in Maryland.

Specialties and state licenses

  • Neurological surgery, MarylandPrimaryLicense D0079793 · taxonomy 207T00000X

Neurosurgeons near Dr. Schwartzbauer

Counts of neurosurgeons 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. Gary Thomas Schwartzbauer billed Medicare for 113 services in 2024

CMS data shows 113 Medicare services from Dr. Schwartzbauer across 3 procedure codes in 2024, for 70 Medicare patients. Medicare paid $13,771 for them. Every service was in a facility, such as a hospital, rather than an office.

Medicare services, 2024113
Medicare patients70
Paid by Medicare$13,771
Procedure codes3

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

  • 2023
  • 2024
Office and hospital visits
2023: 1892024: 11340%

Dr. Schwartzbauer compared with the Maryland median for neurosurgeons, 2024

  • Dr. Schwartzbauer
  • Maryland median
Medicare services
113vs 26958% below
Medicare patients
70vs 20366% below

Medians across 113 neurosurgeons in Maryland with Dmand AI profiles that report each measure.

Dr. Schwartzbauer'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. Schwartzbauer

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

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

Dr. Gary Thomas Schwartzbauer treated 70 Medicare patients in 2024, average age 72

CMS counts 70 Medicare patients who saw Dr. Schwartzbauer in 2024. The largest group is 65 to 74, with 32 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 23% are also on Medicaid. Their average risk score is 1.98, 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. Schwartzbauer's median patient age at 65, with 41% women.

Medicare patients, 202470
Average age72
Average risk score1.98
Also on Medicaid23%

Dr. Schwartzbauer's Medicare patients by age, 2024

CMS leaves out age groups with fewer than 11 patients.

Dr. Schwartzbauer's Medicare patients by sex, 2024

  • Women3246%
  • Men3854%

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

  1. High blood pressure75%
  2. High cholesterol75%
  3. Stroke or TIA60%
  4. Arthritis53%
  5. Diabetes44%
  6. Ischemic heart disease41%
  7. Mood disorders41%
  8. Anxiety40%

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

Dr. Schwartzbauer'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

  • Women41%
  • Men59%

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

Dr. Gary Thomas Schwartzbauer ranks in the 45th percentile for spinal fusion in Medicare

Dr. Schwartzbauer accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 32 procedures of spinal fusion by Dr. Schwartzbauer, more than 45% of the clinicians it reports for that procedure.

Accepts Medicare assignment
Yes

Where Dr. Schwartzbauer ranks in Medicare procedure volume

Spinal fusion
45th percentile32 procedures

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

Laminectomy or laminotomy (partial removal of spine bones): 1 to 10 procedures (CMS shows small counts as a range)

Upper gastrointestinal (GI) endoscopy for acid reflux: 1 to 10 procedures (CMS shows small counts as a range)

Sources: Doctors and Clinicians National Downloadable File (CMS); and Doctors and Clinicians Utilization Data (CMS)

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Dr. Gary Thomas Schwartzbauer has 48 publications on record

Dmand AI links 48 papers to Dr. Schwartzbauer, published from 2011 to 2025. 2021 was the busiest year, with 7. The most frequent topics are Spinal Cord Injuries, Brain Injuries, Traumatic and Tomography, X-Ray Computed. Dr. Schwartzbauer has published most often in J Neurotrauma. Dr. Schwartzbauer's most frequent co-authors are Charles A. Sansur, MD, Timothy Chryssikos, MD and Kenneth M. Crandall, MD.

Papers48
Years published2011 to 2025

Dr. Schwartzbauer's papers by year, 2014 to 2025

Topics Dr. Schwartzbauer writes about most

  • Spinal Cord Injuries
  • Brain Injuries, Traumatic
  • Tomography, X-Ray Computed
  • Magnetic Resonance Imaging
  • Anticoagulants
  • Cervical Vertebrae
  • Glasgow Coma Scale
  • Cervical Cord

Dr. Schwartzbauer's most frequent co-authors

Recent publications by Dr. Schwartzbauer

See all 48 publications and co-authors

See who Dr. Schwartzbauer researches with

Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Schwartzbauer 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. Gary Thomas Schwartzbauer received $534 in industry payments from 2020 to 2025

CMS Open Payments shows 6 general payments to Dr. Schwartzbauer from 4 drug and device companies from 2020 to 2025. Food and beverage make up the largest share, 100% of the total. Kuros Biosciences USA, Inc paid the most, $265. It also lists 1 research payment totaling $822 in 2019.

General payments to Dr. Schwartzbauer by program year, 2020 to 2025

Companies that paid Dr. Schwartzbauer the most, 2020 to 2025

Share is of all general payments to this clinician.

See all payments to Dr. Schwartzbauer

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

Dr. Gary Thomas Schwartzbauer graduated from University of Maryland School of Medicine

Dr. Schwartzbauer graduated from University of Maryland School of Medicine in 2007.

  1. Medical schoolUniversity of Maryland School of Medicine

Source: Dmand AI Professional Profile Data

Sources for Dr. Gary Thomas Schwartzbauer'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 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)
MIPS scores, telehealth, assignment and procedure percentilesDoctors and Clinicians National Downloadable File (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
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. Gary Thomas Schwartzbauer

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. Gary Thomas Schwartzbauer's NPI number?

Dr. Gary Thomas Schwartzbauer's NPI number is 1235332040. It was assigned on June 8, 2007, and it is active in the NPI Registry.

What kind of doctor is Dr. Gary Thomas Schwartzbauer?

Dr. Gary Thomas Schwartzbauer is a neurosurgeon in Baltimore, Maryland. The primary specialty in the NPI Registry is Neurological Surgery Physician (taxonomy code 207T00000X).

Where does Dr. Gary Thomas Schwartzbauer practice?

Dr. Schwartzbauer practices at 22 South Greene Street, Baltimore, MD 21201. Dr. Schwartzbauer's primary practice is University of Maryland Medical Center in Baltimore, Maryland, part of University of Maryland Medical System. Dmand AI also links Dr. Schwartzbauer to 1 medical group.

What is Dr. Gary Thomas Schwartzbauer's office phone number?

The practice phone on file for Dr. Schwartzbauer is (410) 328-8667.

What is Dr. Gary Thomas Schwartzbauer's medical license number?

Dr. Schwartzbauer holds Maryland license D0079793.

Which hospitals is Dr. Gary Thomas Schwartzbauer affiliated with?

Dr. Schwartzbauer practices at University of Maryland Medical Center in Baltimore, Maryland.

What medical group is Dr. Gary Thomas Schwartzbauer part of?

Dr. Schwartzbauer is linked to R Adams Cowley Shock Trauma Center at the University of Maryland. Dmand AI links Dr. Schwartzbauer to 1 more medical group.

Does Dr. Gary Thomas Schwartzbauer accept Medicare?

Yes. CMS data shows Dr. Schwartzbauer billed Medicare for 113 services in 2024, and Dr. Schwartzbauer accepts Medicare assignment.

How many Medicare patients does Dr. Gary Thomas Schwartzbauer see?

CMS counts 70 Medicare patients who saw Dr. Schwartzbauer in 2024, with an average age of 72.

What services does Dr. Gary Thomas Schwartzbauer bill to Medicare?

In 2024, Dr. Schwartzbauer's most billed Medicare services were critical care (99291), hospital inpatient care (99232) and hospital inpatient care (99222).

Show 5 more questionsShow fewer questions

Where did Dr. Gary Thomas Schwartzbauer go to medical school?

Dr. Schwartzbauer graduated from University of Maryland School of Medicine in 2007.

Has Dr. Gary Thomas Schwartzbauer received payments from drug or device companies?

CMS Open Payments shows $534 in general payments to Dr. Schwartzbauer from 4 companies from 2020 to 2025. The largest total came from Kuros Biosciences USA, Inc.

How long has Dr. Gary Thomas Schwartzbauer been practicing?

Dr. Schwartzbauer graduated from medical school in 2007, 19 years ago.

Does Dr. Gary Thomas Schwartzbauer do research?

Dmand AI links 48 publications to Dr. Schwartzbauer, published from 2011 to 2025.

Who does Dr. Gary Thomas Schwartzbauer publish with?

Dr. Schwartzbauer's most frequent co-authors are Charles A. Sansur, MD (13 shared papers), Timothy Chryssikos, MD (12 shared papers) and Kenneth M. Crandall, MD (10 shared papers).

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