Dr. Andrew Thomas Gerstner, MD
- Medicare services, 2024
- 40
- Medicare patients, 2024
- 59
- Industry payments
- $43
- Affiliated sites
- 2
- Medical groups
- 6
- Practice address
- 9200 Calumet Ave, Munster, IN 46321
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Munster Specialty Surgery Center, LLC - HOPD
Acute Care Hospital outpatient department · Munster, Indiana
Find Dr. Gerstner's professional email, personal email and mobile number
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Dr. Andrew Thomas Gerstner is an anesthesiologist in Munster, Indiana
Dr. Gerstner practices at Munster Specialty Surgery Center, LLC - HOPD in Munster, Indiana.
Dr. Gerstner's NPI, 1629413232, was assigned on May 8, 2013. Dr. Gerstner graduated from University of Wisconsin School of Medicine in 2013. Dr. Gerstner holds Wisconsin license 6350420.
- NPI
- 1629413232NPI Registry (opens in a new tab)
- Medicare PAC ID
- 2961625371
- NPI enumeration date
- May 8, 2013
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 39
- Medical school graduation
- 2013
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Andrew Thomas Gerstner practices at Munster Specialty Surgery Center, LLC - HOPD in Munster, Indiana
Dr. Gerstner's primary practice is Munster Specialty Surgery Center, LLC - HOPD, at 9200 Calumet Ave, Munster, IN 46321.
- Munster Specialty Surgery Center, LLC - HOPD9200 Calumet Ave, Munster, IN 46321
Source: Dmand AI Affiliation Data
Dr. Andrew Thomas Gerstner is affiliated with 2 sites of care and 6 medical groups
Dr. Gerstner's primary practice is Munster Specialty Surgery Center, LLC - HOPD in Munster, Indiana. The medical group on file is JEBS Anesthesia Consultants. Dmand AI also links Dr. Gerstner to 5 more medical groups and 1 group practice or clinic, each named with a free account.
Source: Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Andrew Thomas Gerstner's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Gerstner practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Munster Specialty Surgery Center, LLC - HOPD | Available with a free account |
| +1 more site and 5 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Andrew Thomas Gerstner is one of 1,172 anesthesiologists in Indiana
Anesthesiology is Dr. Gerstner's primary specialty in the NPI Registry, under taxonomy code 207L00000X. Dmand AI has Dr. Gerstner's licenses on file in 3 states: Wisconsin, Illinois and Oregon.
Specialties and state licenses
- Anesthesiology, WisconsinPrimary
- Illinois license
- Oregon license
Anesthesiologists near Dr. Gerstner
Counts of anesthesiologists 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. Andrew Thomas Gerstner billed Medicare for 40 services in 2024
CMS data shows 40 Medicare services from Dr. Gerstner across 2 procedure codes in 2024, for 59 Medicare patients. Medicare paid $1,916 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Gerstner's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Surgery
- 2023: 312024: 4029%
- Anesthesia
- 2023: 352024: 0100%
Dr. Gerstner compared with the Indiana median for anesthesiologists, 2024
- Dr. Gerstner
- Indiana median
- Medicare services
- 40vs 6841% below
- Medicare patients
- 59vs 13255% below
Medians across 1,200 anesthesiologists in Indiana with Dmand AI profiles that report each measure.
Dr. Gerstner'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. Gerstner?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Gerstner and other anesthesiologists in Indiana.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Andrew Thomas Gerstner treated 59 Medicare patients in 2024, average age 71
CMS counts 59 Medicare patients who saw Dr. Gerstner in 2024. The largest group is 65 to 74, with 37 patients. 75% of them have arthritis, and 75% have high cholesterol. Their average risk score is 0.69, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Gerstner's median patient age at 55, with 54% women.
Dr. Gerstner's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Gerstner's Medicare patients by sex, 2024
- Women3458%
- Men2542%
Chronic conditions among Dr. Gerstner's Medicare patients, 2024
- Arthritis75%
- High cholesterol75%
- High blood pressure73%
- Anxiety27%
- Diabetes22%
Share of Medicare patients with each condition. A patient can have several.
Dr. Gerstner's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 55
Patient panel by sex, all payers
- Women54%
- Men46%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
How Dr. Andrew Thomas Gerstner takes part in Medicare
Dr. Gerstner accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. Andrew Thomas Gerstner received $43 in industry payments in 2017
CMS Open Payments shows 1 general payment to Dr. Gerstner from 1 drug or device company in 2017. Food and beverage make up the largest share, 100% of the total. Edwards Lifesciences Corporation paid the most, $43.
Companies that paid Dr. Gerstner the most, 2017 to 2017
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Andrew Thomas Gerstner graduated from University of Wisconsin School of Medicine
Dr. Gerstner graduated from University of Wisconsin School of Medicine in 2013.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Andrew Thomas Gerstner'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 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) |
| 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) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| 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. Andrew Thomas Gerstner
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. Andrew Thomas Gerstner's NPI number?
Dr. Andrew Thomas Gerstner's NPI number is 1629413232. It was assigned on May 8, 2013, and it is active in the NPI Registry.
What kind of doctor is Dr. Andrew Thomas Gerstner?
Dr. Andrew Thomas Gerstner is an anesthesiologist in Munster, Indiana. The primary specialty in the NPI Registry is Anesthesiology Physician (taxonomy code 207L00000X).
Where does Dr. Andrew Thomas Gerstner practice?
Dr. Gerstner practices at 9200 Calumet Ave, Munster, IN 46321. Dr. Gerstner's primary practice is Munster Specialty Surgery Center, LLC - HOPD in Munster, Indiana. Dmand AI also links Dr. Gerstner to 5 medical groups and 1 group practice or clinic.
What is Dr. Andrew Thomas Gerstner's medical license number?
Dr. Gerstner holds Wisconsin license 6350420, one of the licenses on file in 3 states.
Which states has Dr. Andrew Thomas Gerstner been licensed in?
Dmand AI has state licenses on file for Dr. Gerstner in Wisconsin, Illinois and Oregon.
What medical group is Dr. Andrew Thomas Gerstner part of?
Dr. Gerstner is linked to JEBS Anesthesia Consultants. Dmand AI links Dr. Gerstner to 5 more medical groups.
Does Dr. Andrew Thomas Gerstner accept Medicare?
Yes. CMS data shows Dr. Gerstner billed Medicare for 40 services in 2024, and Dr. Gerstner accepts Medicare assignment.
How many Medicare patients does Dr. Andrew Thomas Gerstner see?
CMS counts 59 Medicare patients who saw Dr. Gerstner in 2024, with an average age of 71.
What services does Dr. Andrew Thomas Gerstner bill to Medicare?
In 2024, Dr. Gerstner's most billed Medicare services were surgery: brain, spine and nerves (64447) and surgery: brain, spine and nerves (64415).
Where did Dr. Andrew Thomas Gerstner go to medical school?
Dr. Gerstner graduated from University of Wisconsin School of Medicine in 2013.
Has Dr. Andrew Thomas Gerstner received payments from drug or device companies?
CMS Open Payments shows $43 in general payments to Dr. Gerstner from 1 company from 2017 to 2017. The largest total came from Edwards Lifesciences Corporation.
How long has Dr. Andrew Thomas Gerstner been practicing?
Dr. Gerstner graduated from medical school in 2013, 13 years ago.
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