Dr. Montgomery A. Harrison, DO
- Medicare services, 2024
- 154
- Medicare patients, 2024
- 167
- Hospital affiliations
- 2
- Industry payments
- $379
- Medical group
- 1
- Practice address
- 2001 W 86th St, Indianapolis, IN 46260
- Practice phone
- Call (317) 338-7000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Harrison's professional email, personal email and mobile number
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Dr. Montgomery A. Harrison is an anesthesiologist in Indianapolis, Indiana
Dr. Harrison practices at Ascension St. Vincent Hospital - Indianapolis in Indianapolis, Indiana, part of Ascension Health Alliance.
Dr. Harrison's NPI, 1679513691, was assigned on June 7, 2006. Dr. Harrison holds Indiana license 02001736.
- NPI
- 1679513691NPI Registry (opens in a new tab)
- Medicare PAC ID
- 6507817053
- NPI enumeration date
- June 7, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (317) 338-7000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 67
- Medical school graduation
- 1985
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Montgomery A. Harrison practices at Ascension St. Vincent Hospital - Indianapolis in Indianapolis, Indiana
Dr. Harrison's primary practice is Ascension St. Vincent Hospital - Indianapolis, at 2001 W 86th St, Indianapolis, IN 46260 in Marion County. The practice phone is (317) 338-7000.
- Ascension St. Vincent Hospital - Indianapolis2001 W 86th St, Indianapolis, IN 46260 · Marion CountyPhone(317) 338-7000
Source: Dmand AI Affiliation Data
Dr. Montgomery A. Harrison is affiliated with 2 sites of care and 1 medical group
Dr. Harrison's primary practice is Ascension St. Vincent Hospital - Indianapolis in Indianapolis, Indiana, part of Ascension Health Alliance. Dr. Harrison is also affiliated with Ascension St. Vincent Heart Center. The medical group on file is Ascension Medical Group St Vincent.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Montgomery A. Harrison's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Harrison practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Ascension St. Vincent Hospital - Indianapolis | Available with a free account |
| +1 more affiliated site | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
Dmand AI maps EHR vendors, IT decision makers and buying committees across Ascension Health Alliance and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Montgomery A. Harrison is one of 1,172 anesthesiologists in Indiana
Anesthesiology is Dr. Harrison's primary specialty in the NPI Registry, under taxonomy code 207L00000X. Dr. Harrison is licensed in Indiana.
Specialties and state licenses
- Anesthesiology, IndianaPrimary
Anesthesiologists near Dr. Harrison
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. Montgomery A. Harrison billed Medicare for 154 services in 2024
CMS data shows 154 Medicare services from Dr. Harrison across 2 procedure codes in 2024, for 167 Medicare patients. Medicare paid $42,457 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Harrison's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Anesthesia
- 2023: 2112024: 15427%
Dr. Harrison compared with the Indiana median for anesthesiologists, 2024
- Dr. Harrison
- Indiana median
- Medicare services
- 154vs 682.3 times
- Medicare patients
- 167vs 13227% above
Medians across 1,200 anesthesiologists in Indiana with Dmand AI profiles that report each measure.
Dr. Harrison'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. Harrison?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Harrison and other anesthesiologists in Indiana.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Montgomery A. Harrison treated 167 Medicare patients in 2024, average age 73
CMS counts 167 Medicare patients who saw Dr. Harrison in 2024. The largest group is 65 to 74, with 92 patients. 75% of them have atrial fibrillation, and 75% have high blood pressure. Their average risk score is 1.29, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Harrison's median patient age at 74, with 35% women.
Dr. Harrison's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Harrison's Medicare patients by sex, 2024
- Women5734%
- Men11066%
Chronic conditions among Dr. Harrison's Medicare patients, 2024
- Atrial fibrillation75%
- High blood pressure75%
- High cholesterol75%
- Ischemic heart disease54%
- Heart failure46%
- Arthritis44%
- Diabetes31%
- Chronic kidney disease28%
Share of Medicare patients with each condition. A patient can have several.
Dr. Harrison's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 74
Patient panel by sex, all payers
- Women35%
- Men63%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
How Dr. Montgomery A. Harrison takes part in Medicare
Dr. Harrison 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. Montgomery A. Harrison received $379 in industry payments from 2019 to 2024
CMS Open Payments shows 3 general payments to Dr. Harrison from 2 drug and device companies from 2019 to 2024. Food and beverage make up the largest share, 100% of the total. Abbott Laboratories paid the most, $275.
General payments to Dr. Harrison by program year, 2019 to 2024
Companies that paid Dr. Harrison the most, 2019 to 2024
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. Montgomery A. Harrison'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 DataDmand AI Org Hierarchy 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) |
| 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. Montgomery A. Harrison
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. Montgomery A. Harrison's NPI number?
Dr. Montgomery A. Harrison's NPI number is 1679513691. It was assigned on June 7, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Montgomery A. Harrison?
Dr. Montgomery A. Harrison is an anesthesiologist in Indianapolis, Indiana. The primary specialty in the NPI Registry is Anesthesiology Physician (taxonomy code 207L00000X).
Where does Dr. Montgomery A. Harrison practice?
Dr. Harrison practices at 2001 W 86th St, Indianapolis, IN 46260. Dr. Harrison's primary practice is Ascension St. Vincent Hospital - Indianapolis in Indianapolis, Indiana, part of Ascension Health Alliance.
What is Dr. Montgomery A. Harrison's office phone number?
The practice phone on file for Dr. Harrison is (317) 338-7000.
What is Dr. Montgomery A. Harrison's medical license number?
Dr. Harrison holds Indiana license 02001736.
Which hospitals is Dr. Montgomery A. Harrison affiliated with?
Dr. Harrison practices at Ascension St. Vincent Hospital - Indianapolis in Indianapolis, Indiana. Dr. Harrison is also affiliated with Ascension St. Vincent Heart Center.
What medical group is Dr. Montgomery A. Harrison part of?
Dr. Harrison is linked to Ascension Medical Group St Vincent.
Does Dr. Montgomery A. Harrison accept Medicare?
Yes. CMS data shows Dr. Harrison billed Medicare for 154 services in 2024, and Dr. Harrison accepts Medicare assignment.
How many Medicare patients does Dr. Montgomery A. Harrison see?
CMS counts 167 Medicare patients who saw Dr. Harrison in 2024, with an average age of 73.
What services does Dr. Montgomery A. Harrison bill to Medicare?
In 2024, Dr. Harrison's most billed Medicare services were anesthesia (00537) and anesthesia (00410).
Has Dr. Montgomery A. Harrison received payments from drug or device companies?
CMS Open Payments shows $379 in general payments to Dr. Harrison from 2 companies from 2019 to 2024. The largest total came from Abbott Laboratories.
How long has Dr. Montgomery A. Harrison been practicing?
Dr. Harrison graduated from medical school in 1985, 41 years ago.
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