Dr. Mary Elizabeth McAllister, MD
- Medicare services, 2024
- 234
- Medicare patients, 2024
- 250
- MIPS score, 2024
- 15
- Industry payments
- $670
- Affiliated sites
- 7
- Practice address
- 1132 Annapolis Road, Suite 103, Odenton, MD 21113
- Practice phone
- Call (410) 674-0020
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Piney Orchard Surgery Center
Surgery Center - Medicare-Certified · Odenton, Maryland
Find Dr. McAllister's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Dr. Mary Elizabeth McAllister is an anesthesiologist in Odenton, Maryland
Dr. McAllister practices at Piney Orchard Surgery Center in Odenton, Maryland.
Dr. McAllister's NPI, 1790723989, was assigned on June 2, 2006. Dr. McAllister holds Maryland license D0063798.
- NPI
- 1790723989NPI Registry (opens in a new tab)
- Medicare PAC ID
- 4880697077
- NPI enumeration date
- June 2, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (410) 674-0020
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 51
- Medical school graduation
- 2001
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Mary Elizabeth McAllister practices at Piney Orchard Surgery Center in Odenton, Maryland
Dr. McAllister's primary practice is Piney Orchard Surgery Center, at 1132 Annapolis Road, Suite 103, Odenton, MD 21113. The practice phone is (410) 674-0020.
- Piney Orchard Surgery Center1132 Annapolis Road, Suite 103, Odenton, MD 21113Phone(410) 674-0020
Source: Dmand AI Affiliation Data
Dr. Mary Elizabeth McAllister is affiliated with 7 sites of care and 5 medical groups
Dr. McAllister's primary practice is Piney Orchard Surgery Center in Odenton, Maryland. The medical group on file is Anesthesia Company, LLC. Dmand AI also links Dr. McAllister to 4 more medical groups, 3 group practices and clinics, 2 ambulatory surgery centers and 1 physician office, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Mary Elizabeth McAllister's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. McAllister practices, 7 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Piney Orchard Surgery Center | Available with a free account |
| +6 more sites and 4 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Mary Elizabeth McAllister is one of 965 anesthesiologists in Maryland
Anesthesiology is Dr. McAllister's primary specialty in the NPI Registry, under taxonomy code 207L00000X. Dr. McAllister is licensed in Maryland.
Specialties and state licenses
- Anesthesiology, MarylandPrimary
Anesthesiologists near Dr. McAllister
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. Mary Elizabeth McAllister billed Medicare for 234 services in 2024
CMS data shows 234 Medicare services from Dr. McAllister across 7 procedure codes in 2024, for 250 Medicare patients. Medicare paid $24,098 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. McAllister's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Anesthesia
- 2023: 3372024: 23431%
Dr. McAllister compared with the Maryland median for anesthesiologists, 2024
- Dr. McAllister
- Maryland median
- Medicare services
- 234vs 1012.3 times
- Medicare patients
- 250vs 17642% above
Medians across 918 anesthesiologists in Maryland with Dmand AI profiles that report each measure.
Dr. McAllister'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.
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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. McAllister and other anesthesiologists in Maryland.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Mary Elizabeth McAllister treated 250 Medicare patients in 2024, average age 74
CMS counts 250 Medicare patients who saw Dr. McAllister in 2024. The largest group is 65 to 74, with 131 patients. 75% of them have high cholesterol, and 71% have high blood pressure. Their average risk score is 0.84, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. McAllister's median patient age at 44, with 49% women.
Dr. McAllister's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. McAllister's Medicare patients by sex, 2024
- Women13855%
- Men11245%
Chronic conditions among Dr. McAllister's Medicare patients, 2024
- High cholesterol75%
- High blood pressure71%
- Arthritis46%
- Ischemic heart disease24%
- Diabetes23%
- Anxiety22%
- Mood disorders21%
- Depression18%
Share of Medicare patients with each condition. A patient can have several.
Dr. McAllister's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 44
Patient panel by sex, all payers
- Women49%
- Men50%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Mary Elizabeth McAllister scored 15 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 15 out of 100 for Dr. McAllister for performance year 2024, reported as part of a group. Dr. McAllister accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Dr. McAllister's MIPS scores, performance year 2024
- 15of 100Final score
- 0of 100Quality
- 40of 100Improvement Activities
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Sources: Doctors and Clinicians National Downloadable File (CMS); and Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026
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Dr. Mary Elizabeth McAllister received $670 in industry payments from 2017 to 2024
CMS Open Payments shows 38 general payments to Dr. McAllister from 17 drug and device companies from 2017 to 2024. Food and beverage make up the largest share, 100% of the total. Takeda Pharmaceuticals U.S.A., Inc. paid the most, $120.
General payments to Dr. McAllister by program year, 2017 to 2024
Companies that paid Dr. McAllister the most, 2017 to 2024
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. Mary Elizabeth McAllister'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)Clinician Public Reporting: Overall MIPS Performance (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. Mary Elizabeth McAllister
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. Mary Elizabeth McAllister's NPI number?
Dr. Mary Elizabeth McAllister's NPI number is 1790723989. It was assigned on June 2, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Mary Elizabeth McAllister?
Dr. Mary Elizabeth McAllister is an anesthesiologist in Odenton, Maryland. The primary specialty in the NPI Registry is Anesthesiology Physician (taxonomy code 207L00000X).
Where does Dr. Mary Elizabeth McAllister practice?
Dr. McAllister practices at 1132 Annapolis Road, Suite 103, Odenton, MD 21113. Dr. McAllister's primary practice is Piney Orchard Surgery Center in Odenton, Maryland. Dmand AI also links Dr. McAllister to 4 medical groups, 3 group practices and clinics, 2 ambulatory surgery centers and 1 physician office.
What is Dr. Mary Elizabeth McAllister's office phone number?
The practice phone on file for Dr. McAllister is (410) 674-0020.
What is Dr. Mary Elizabeth McAllister's medical license number?
Dr. McAllister holds Maryland license D0063798.
What medical group is Dr. Mary Elizabeth McAllister part of?
Dr. McAllister is linked to Anesthesia Company, LLC. Dmand AI links Dr. McAllister to 4 more medical groups.
Does Dr. Mary Elizabeth McAllister accept Medicare?
Yes. CMS data shows Dr. McAllister billed Medicare for 234 services in 2024, and Dr. McAllister accepts Medicare assignment.
What is Dr. Mary Elizabeth McAllister's MIPS score?
Dr. McAllister's MIPS final score for performance year 2024 is 15 out of 100, reported as part of a group.
How many Medicare patients does Dr. Mary Elizabeth McAllister see?
CMS counts 250 Medicare patients who saw Dr. McAllister in 2024, with an average age of 74.
What services does Dr. Mary Elizabeth McAllister bill to Medicare?
In 2024, Dr. McAllister's most billed Medicare services were anesthesia (00142), anesthesia (00811) and anesthesia (00812).
Has Dr. Mary Elizabeth McAllister received payments from drug or device companies?
CMS Open Payments shows $670 in general payments to Dr. McAllister from 17 companies from 2017 to 2024. The largest total came from Takeda Pharmaceuticals U.S.A., Inc.
How long has Dr. Mary Elizabeth McAllister been practicing?
Dr. McAllister graduated from medical school in 2001, 25 years ago.
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