AnaphylaxisDecontaminationEmergency Service, Hospital
Dr. Alexandria M. Gregory, MD
NPI1548720881PAC ID6002142155
- Medicare services, 2024
- 901
- Medicare patients, 2024
- 825
- Part D claims, 2024
- 204
- Publications
- 1
- MIPS score, 2024
- 94
- Practice address
- 14 Prospect Street, Milford, MA 01757
- Practice phone
- Call (508) 473-1190
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Find Dr. Gregory's professional email, personal email and mobile number
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Dr. Alexandria M. Gregory is an emergency medicine physician in Milford, Massachusetts
Dr. Gregory practices at UMass Memorial Health - Milford Regional Medical Center in Milford, Massachusetts, part of UMass Memorial Health Care.
Dr. Gregory's NPI, 1548720881, was assigned on March 22, 2019. Dr. Gregory graduated from Saint Louis University School of Medicine in 2019. Dr. Gregory holds Massachusetts license 290314.
NPI and contact details
- NPI
- 1548720881NPI Registry (opens in a new tab)
- Medicare PAC ID
- 6002142155
- NPI enumeration date
- March 22, 2019
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (508) 473-1190
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 33
- Medical school graduation
- 2019
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Alexandria M. Gregory practices at UMass Memorial Health - Milford Regional Medical Center in Milford, Massachusetts
Dr. Gregory's primary practice is UMass Memorial Health - Milford Regional Medical Center, at 14 Prospect Street, Milford, MA 01757 in Worcester County. The practice phone is (508) 473-1190.
- UMass Memorial Health - Milford Regional Medical Center14 Prospect Street, Milford, MA 01757 · Worcester CountyPhone(508) 473-1190
Source: Dmand AI Affiliation Data
Dr. Alexandria M. Gregory is affiliated with 2 sites of care and 2 medical groups
Dr. Gregory's primary practice is UMass Memorial Health - Milford Regional Medical Center in Milford, Massachusetts, part of UMass Memorial Health Care. The medical group on file is UMass Memorial Medical Group. Dmand AI also links Dr. Gregory to 1 more imaging center and 1 medical group, each named with a free account.
UMass Memorial Medical Group1 imaging centerName with a free account1 medical groupName with a free account
See all 4 affiliations for Dr. GregorySources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Alexandria M. Gregory's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Gregory practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| UMass Memorial Health - Milford Regional Medical Center | Available with a free account |
| +1 more site and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Alexandria M. Gregory is one of 1,483 emergency medicine physicians in Massachusetts
Emergency medicine is Dr. Gregory's primary specialty in the NPI Registry, under taxonomy code 207P00000X. Dr. Gregory is licensed in Massachusetts.
Specialties and state licenses
- Emergency medicine, MassachusettsPrimary
Emergency medicine physicians near Dr. Gregory
Counts of emergency medicine physicians with a Dmand AI profile, by place and practice. Each opens the list.
1,483emergency medicine physicians in Massachusetts32emergency medicine physicians in Milford30emergency medicine physicians at UMass Memorial Health - Milford Regional Medical Center
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Alexandria M. Gregory billed Medicare for 901 services in 2024
CMS data shows 901 Medicare services from Dr. Gregory across 6 procedure codes in 2024, for 825 Medicare patients. Medicare paid $112,754 for them. Every service was in a facility, such as a hospital, rather than an office.
Medicare services, 2024901
Medicare patients825
Paid by Medicare$112,754
Procedure codes6
Dr. Gregory's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 8552024: 9015%
Dr. Gregory compared with the Massachusetts median for emergency medicine physicians, 2024
- Dr. Gregory
- Massachusetts median
- Medicare services
- 901vs 3412.6 times
- Medicare patients
- 825vs 3372.4 times
- Part D claims
- 102vs 362.8 times
Medians across 1,477 emergency medicine physicians in Massachusetts with Dmand AI profiles that report each measure.
Dr. Gregory'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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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Alexandria M. Gregory treated 825 Medicare patients in 2024, average age 77
CMS counts 825 Medicare patients who saw Dr. Gregory in 2024. The largest group is 75 to 84, with 294 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 30% are also on Medicaid. Their average risk score is 1.95, 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. Gregory's median patient age at 60, with 56% women.
Medicare patients, 2024825
Average age77
Average risk score1.95
Also on Medicaid30%
Dr. Gregory's Medicare patients by age, 2024
Dr. Gregory's Medicare patients by sex, 2024
- Women48258%
- Men34342%
Chronic conditions among Dr. Gregory's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis61%
- Mood disorders46%
- Anxiety45%
- Depression40%
- Ischemic heart disease39%
- Chronic kidney disease38%
Share of Medicare patients with each condition. A patient can have several.
Dr. Gregory's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 60
Patient panel by sex, all payers
- Women56%
- Men43%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Alexandria M. Gregory wrote 204 Medicare Part D claims in 2024
In 2024, Dr. Gregory wrote 204 Medicare Part D claims for 146 patients. 87% of them were for generic drugs. CMS names the drug for 102 of them, across 6 drugs with 11 or more claims each, at $1,292 in total drug cost. In 2023, CMS named 73 claims across 4 drugs.
Part D claims, 2024204
Drugs named by CMS6
Total drug cost$1,292
Part D patients146
Dr. Gregory's Part D claims by kind of drug, 2024
- Generic178 claims87%
- Brand-name26 claims13%
Dr. Gregory'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. Gregory's Part D claims, 2024
- Opioids20%40 of 204 claims
- Antibiotics36%74 of 204 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: 732024: 10240%
Drugs named by CMS: 6 in 2024, 4 in 2023.
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. Alexandria M. Gregory scored 94 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 94 out of 100 for Dr. Gregory for performance year 2024, reported as part of a group. Dr. Gregory accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Dr. Gregory's MIPS scores, performance year 2024
- 94of 100Final score
- 85.2of 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. Alexandria M. Gregory has 1 publication on record
Dmand AI links 1 paper to Dr. Gregory in 2021. Dr. Gregory's most frequent co-author is Cassandra N. Mackey, MD.
Papers1
Dr. Gregory's most frequent co-authors
Recent publications by Dr. Gregory
See who Dr. Gregory researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Gregory works with, so you can find a warm path to the right emergency medicine physicians.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Alexandria M. Gregory received $33 in industry payments in 2023
CMS Open Payments shows 1 general payment to Dr. Gregory from 1 drug or device company in 2023. Food and beverage make up the largest share, 100% of the total. AstraZeneca Pharmaceuticals LP paid the most, $33.
Companies that paid Dr. Gregory the most, 2023 to 2023
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Alexandria M. Gregory graduated from Saint Louis University School of Medicine
Dr. Gregory graduated from Saint Louis University School of Medicine in 2019.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Alexandria M. Gregory'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) |
| Part D prescribing | Medicare 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 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) |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| 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. Alexandria M. Gregory
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. Alexandria M. Gregory's NPI number?
Dr. Alexandria M. Gregory's NPI number is 1548720881. It was assigned on March 22, 2019, and it is active in the NPI Registry.
What kind of doctor is Dr. Alexandria M. Gregory?
Dr. Alexandria M. Gregory is an emergency medicine physician in Milford, Massachusetts. The primary specialty in the NPI Registry is Emergency Medicine Physician (taxonomy code 207P00000X).
Where does Dr. Alexandria M. Gregory practice?
Dr. Gregory practices at 14 Prospect Street, Milford, MA 01757. Dr. Gregory's primary practice is UMass Memorial Health - Milford Regional Medical Center in Milford, Massachusetts, part of UMass Memorial Health Care. Dmand AI also links Dr. Gregory to 1 imaging center and 1 medical group.
What is Dr. Alexandria M. Gregory's office phone number?
The practice phone on file for Dr. Gregory is (508) 473-1190.
What is Dr. Alexandria M. Gregory's medical license number?
Dr. Gregory holds Massachusetts license 290314.
Which hospitals is Dr. Alexandria M. Gregory affiliated with?
Dr. Gregory practices at UMass Memorial Health - Milford Regional Medical Center in Milford, Massachusetts.
What medical group is Dr. Alexandria M. Gregory part of?
Dr. Gregory is linked to UMass Memorial Medical Group. Dmand AI links Dr. Gregory to 1 more medical group.
Does Dr. Alexandria M. Gregory accept Medicare?
Yes. CMS data shows Dr. Gregory billed Medicare for 901 services in 2024, and Dr. Gregory accepts Medicare assignment.
What is Dr. Alexandria M. Gregory's MIPS score?
Dr. Gregory's MIPS final score for performance year 2024 is 94 out of 100, reported as part of a group.
How many Medicare patients does Dr. Alexandria M. Gregory see?
CMS counts 825 Medicare patients who saw Dr. Gregory in 2024, with an average age of 77.
Show 7 more questionsShow fewer questions
What services does Dr. Alexandria M. Gregory bill to Medicare?
In 2024, Dr. Gregory's most billed Medicare services were emergency department visit (99285), emergency department visit (99284) and critical care (99291).
Where did Dr. Alexandria M. Gregory go to medical school?
Dr. Gregory graduated from Saint Louis University School of Medicine in 2019.
What drugs does Dr. Alexandria M. Gregory prescribe most?
In 2024 Medicare Part D data, Dr. Gregory's most prescribed drugs by claims were Cefpodoxime Proxetil, Oxycodone HCl and Prednisone.
Has Dr. Alexandria M. Gregory received payments from drug or device companies?
CMS Open Payments shows $33 in general payments to Dr. Gregory from 1 company from 2023 to 2023. The largest total came from AstraZeneca Pharmaceuticals LP.
How long has Dr. Alexandria M. Gregory been practicing?
Dr. Gregory graduated from medical school in 2019, 7 years ago.
Does Dr. Alexandria M. Gregory do research?
Dmand AI links 1 publication to Dr. Gregory.
Who does Dr. Alexandria M. Gregory publish with?
Dr. Gregory's most frequent co-authors are Cassandra N. Mackey, MD (1 shared paper).
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