Academic Medical CentersLeadership
Dr. Alexandra Baker Columbus, MD
NPI1790128635PAC ID7113323015
- Medicare services, 2024
- 254
- Medicare patients, 2024
- 132
- Part D claims, 2024
- 35
- Publications
- 13
- Hospital affiliations
- 3
- Practice address
- 800 Washington Street, Boston, MA 02111
- Practice phone
- Call (617) 636-5000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Columbus' 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. Alexandra Baker Columbus is a general surgeon in Boston, Massachusetts
Dr. Columbus practices at Tufts Medical Center in Boston, Massachusetts, part of Tufts Medicine.
Dr. Columbus' NPI, 1790128635, was assigned on April 10, 2013. Dr. Columbus graduated from Jefferson Medical College of Thomas Jefferson University in 2013. Dr. Columbus holds Massachusetts license 262853.
NPI and contact details
- NPI
- 1790128635NPI Registry (opens in a new tab)
- Medicare PAC ID
- 7113323015
- NPI enumeration date
- April 10, 2013
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (617) 636-5000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- 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. Alexandra Baker Columbus practices at Tufts Medical Center in Boston, Massachusetts
Dr. Columbus' primary practice is Tufts Medical Center, at 800 Washington Street, Boston, MA 02111 in Suffolk County. The practice phone is (617) 636-5000.
- Tufts Medical Center800 Washington Street, Boston, MA 02111 · Suffolk CountyPhone(617) 636-5000
Source: Dmand AI Affiliation Data
Dr. Alexandra Baker Columbus is affiliated with 5 sites of care and 5 medical groups
Dr. Columbus' primary practice is Tufts Medical Center in Boston, Massachusetts, part of Tufts Medicine. Dr. Columbus is also affiliated with Brigham and Women's Hospital. The medical group on file is Massachusetts General Physicians Organization (MGPO). Dmand AI also links Dr. Columbus to 1 more hospital, 4 medical groups, 1 home health agency and 1 imaging center, each named with a free account.
Brigham and Women's HospitalMassachusetts General Physicians Organization (MGPO)1 hospitalName with a free account4 medical groupsNames with a free account1 home health agencyName with a free account1 imaging centerName with a free account
See all 10 affiliations for Dr. ColumbusSources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Alexandra Baker Columbus' practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Columbus practices, 5 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Tufts Medical Center | Available with a free account |
| +4 more sites and 4 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Alexandra Baker Columbus is one of 732 general surgeons in Massachusetts
Surgery is Dr. Columbus' primary specialty in the NPI Registry, under taxonomy code 208600000X. Dr. Columbus is licensed in Massachusetts.
Specialties and state licenses
- Surgery, MassachusettsPrimary
General surgeons near Dr. Columbus
Counts of general surgeons with a Dmand AI profile, by place and practice. Each opens the list.
732general surgeons in Massachusetts254general surgeons in Boston18general surgeons at Tufts Medical Center
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Alexandra Baker Columbus billed Medicare for 254 services in 2024
CMS data shows 254 Medicare services from Dr. Columbus across 8 procedure codes in 2024, for 132 Medicare patients. Medicare paid $26,419 for them.
Medicare services, 2024254
Medicare patients132
Paid by Medicare$26,419
Procedure codes8
Dr. Columbus' Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 2252024: 20310%
- Surgery
- 2023: 512024: 51No change
Where Dr. Columbus' Medicare services took place, 2024
- In an office15963%
- In a facility9537%
Dr. Columbus compared with the Massachusetts median for general surgeons, 2024
- Dr. Columbus
- Massachusetts median
- Medicare services
- 254vs 20027% above
- Medicare patients
- 132vs 15213% below
- Part D claims
- 12vs 2245% below
Medians across 688 general surgeons in Massachusetts with Dmand AI profiles that report each measure.
Dr. Columbus' 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. Columbus and other general surgeons in Massachusetts.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Alexandra Baker Columbus treated 132 Medicare patients in 2024, average age 75
CMS counts 132 Medicare patients who saw Dr. Columbus in 2024. The largest group is 65 to 74, with 61 patients. 70% of them have high cholesterol, and 68% have high blood pressure. 14% are also on Medicaid. Their average risk score is 1.25, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Columbus' median patient age at 53, with 57% women.
Medicare patients, 2024132
Average age75
Average risk score1.25
Also on Medicaid14%
Dr. Columbus' Medicare patients by age, 2024
Dr. Columbus' Medicare patients by sex, 2024
- Women9370%
- Men3930%
Chronic conditions among Dr. Columbus' Medicare patients, 2024
- High cholesterol70%
- High blood pressure68%
- Arthritis43%
- Anxiety38%
- Cancer29%
- Mood disorders25%
- Atrial fibrillation24%
- Ischemic heart disease23%
Share of Medicare patients with each condition. A patient can have several.
Dr. Columbus' patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 53
Patient panel by sex, all payers
- Women57%
- Men42%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Alexandra Baker Columbus wrote 35 Medicare Part D claims in 2024
In 2024, Dr. Columbus wrote 35 Medicare Part D claims for 25 patients. 71% of them were for generic drugs. CMS names the drug for 12 of them, across 1 drug with 11 or more claims each, at $73 in total drug cost.
Part D claims, 202435
Drugs named by CMS1
Total drug cost$73
Part D patients25
Dr. Columbus' Part D claims by kind of drug, 2024
- Generic25 claims71%
- Brand-name and other10 claims29%
Dr. Columbus' most prescribed drugs by claims, 2018
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
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. Alexandra Baker Columbus ranks in the 44th percentile for colonoscopy in Medicare
Dr. Columbus accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Columbus as offering telehealth. CMS counts 14 procedures of colonoscopy by Dr. Columbus, more than 44% of the clinicians it reports for that procedure.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Where Dr. Columbus ranks in Medicare procedure volume
- Colonoscopy
- 44th percentile14 procedures
CMS ranks each clinician against every clinician it reports for the same procedure category.
Sources: Doctors and Clinicians National Downloadable File (CMS); and Doctors and Clinicians Utilization Data (CMS)
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Dr. Alexandra Baker Columbus has 13 publications on record
Dmand AI links 13 papers to Dr. Columbus, published from 2015 to 2022. 2016 was the busiest year, with 3. The most frequent topics are General Surgery, Qualitative Research and Academic Medical Centers. Dr. Columbus has published most often in JAMA Surg. Dr. Columbus' most frequent co-authors are Joaquim Michael Havens, MD, Nelya Melnitchouk, MD and Olubode Olufajo.
Papers13
Years published2015 to 2022
Dr. Columbus' papers by year, 2015 to 2022
Topics Dr. Columbus writes about most
- General Surgery
- Qualitative Research
- Academic Medical Centers
- Clinical Competence
- Emergencies
- Faculty, Medical
- Focus Groups
- Grounded Theory
Dr. Columbus' most frequent co-authors
- Joaquim Michael Havens, MD7 shared papers
- Nelya Melnitchouk, MD3 shared papers
- Olubode Olufajo3 shared papers
Recent publications by Dr. Columbus
Burnout, ProfessionalFaculty, MedicalGrounded Theory
AnesthesiologistsAwarenessCommunication
Clinical CompetenceCultural CompetencyCulturally Competent Care
Elective Surgical ProceduresEmergenciesFocus Groups
See who Dr. Columbus researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Columbus works with, so you can find a warm path to the right general surgeons.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Alexandra Baker Columbus received $3,470 in industry payments from 2017 to 2024
CMS Open Payments shows 17 general payments to Dr. Columbus from 5 drug and device companies from 2017 to 2024. Travel and lodging make up the largest share, 59% of the total. Intuitive Surgical, Inc. paid the most, $2,561.
General payments to Dr. Columbus by program year, 2017 to 2024
General payments to Dr. Columbus by kind, 2017 to 2024
$3.5Kin total
- Travel and lodging$2,03059%
- Education$1,00029%
- Food and beverage$44013%
Companies that paid Dr. Columbus the most, 2017 to 2024
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Alexandra Baker Columbus graduated from Jefferson Medical College of Thomas Jefferson University
Dr. Columbus graduated from Jefferson Medical College of Thomas Jefferson University in 2013.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Alexandra Baker Columbus'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)Doctors and Clinicians Utilization Data (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. Alexandra Baker Columbus
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. Alexandra Baker Columbus' NPI number?
Dr. Alexandra Baker Columbus' NPI number is 1790128635. It was assigned on April 10, 2013, and it is active in the NPI Registry.
What kind of doctor is Dr. Alexandra Baker Columbus?
Dr. Alexandra Baker Columbus is a general surgeon in Boston, Massachusetts. The primary specialty in the NPI Registry is Surgery Physician (taxonomy code 208600000X).
Where does Dr. Alexandra Baker Columbus practice?
Dr. Columbus practices at 800 Washington Street, Boston, MA 02111. Dr. Columbus' primary practice is Tufts Medical Center in Boston, Massachusetts, part of Tufts Medicine. Dmand AI also links Dr. Columbus to 1 hospital, 4 medical groups, 1 home health agency and 1 imaging center.
What is Dr. Alexandra Baker Columbus' office phone number?
The practice phone on file for Dr. Columbus is (617) 636-5000.
What is Dr. Alexandra Baker Columbus' medical license number?
Dr. Columbus holds Massachusetts license 262853.
Which hospitals is Dr. Alexandra Baker Columbus affiliated with?
Dr. Columbus practices at Tufts Medical Center in Boston, Massachusetts. Dr. Columbus is also affiliated with Brigham and Women's Hospital. Dmand AI links Dr. Columbus to 1 more hospital.
What medical group is Dr. Alexandra Baker Columbus part of?
Dr. Columbus is linked to Massachusetts General Physicians Organization (MGPO). Dmand AI links Dr. Columbus to 4 more medical groups.
Does Dr. Alexandra Baker Columbus accept Medicare?
Yes. CMS data shows Dr. Columbus billed Medicare for 254 services in 2024, and Dr. Columbus accepts Medicare assignment.
Does Dr. Alexandra Baker Columbus offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Columbus as offering telehealth services.
How many Medicare patients does Dr. Alexandra Baker Columbus see?
CMS counts 132 Medicare patients who saw Dr. Columbus in 2024, with an average age of 75.
Show 7 more questionsShow fewer questions
What services does Dr. Alexandra Baker Columbus bill to Medicare?
In 2024, Dr. Columbus' most billed Medicare services were hospital inpatient care (99232), office visit, established patient (99214) and surgery: digestive system (46600).
Where did Dr. Alexandra Baker Columbus go to medical school?
Dr. Columbus graduated from Jefferson Medical College of Thomas Jefferson University in 2013.
What drugs does Dr. Alexandra Baker Columbus prescribe most?
In 2018 Medicare Part D data, Dr. Columbus' most prescribed drugs by claims were Oxycodone HCl.
Has Dr. Alexandra Baker Columbus received payments from drug or device companies?
CMS Open Payments shows $3,470 in general payments to Dr. Columbus from 5 companies from 2017 to 2024. The largest total came from Intuitive Surgical, Inc.
How long has Dr. Alexandra Baker Columbus been practicing?
Dr. Columbus graduated from medical school in 2013, 13 years ago.
Does Dr. Alexandra Baker Columbus do research?
Dmand AI links 13 publications to Dr. Columbus, published from 2015 to 2022.
Who does Dr. Alexandra Baker Columbus publish with?
Dr. Columbus' most frequent co-authors are Joaquim Michael Havens, MD (7 shared papers), Nelya Melnitchouk, MD (3 shared papers) and Olubode Olufajo (3 shared papers).
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