Dr. Cristina B. Alexander, MD
- Medicare services, 2024
- 85
- Medicare patients, 2024
- 36
- Part D claims, 2024
- 1,875
- Publications
- 1
- Hospital affiliations
- 2
- Practice address
- 75 Francis Street, Boston, MA 02115
- Practice phone
- Call (617) 732-5500
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Alexander's professional email, personal email and mobile number
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Dr. Cristina B. Alexander is an internist in Boston, Massachusetts
Dr. Alexander practices at Brigham and Women's Hospital in Boston, Massachusetts, part of Mass General Brigham.
Dr. Alexander's NPI, 1326182718, was assigned on February 18, 2007. Dr. Alexander graduated from Yale University School of Medicine in 2005. Dr. Alexander holds Massachusetts license 224945.
- NPI
- 1326182718NPI Registry (opens in a new tab)
- Medicare PAC ID
- 8325101629
- NPI enumeration date
- February 18, 2007
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (617) 732-5500
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 47
- Medical school graduation
- 2005
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Cristina B. Alexander practices at Brigham and Women's Hospital in Boston, Massachusetts
Dr. Alexander's primary practice is Brigham and Women's Hospital, at 75 Francis Street, Boston, MA 02115 in Suffolk County. The practice phone is (617) 732-5500.
- Brigham and Women's Hospital75 Francis Street, Boston, MA 02115 · Suffolk CountyPhone(617) 732-5500
Source: Dmand AI Affiliation Data
Dr. Cristina B. Alexander is affiliated with 3 sites of care and 1 medical group
Dr. Alexander's primary practice is Brigham and Women's Hospital in Boston, Massachusetts, part of Mass General Brigham. Dr. Alexander is also affiliated with Brigham and Women's Faulkner Hospital. The medical group on file is Brigham and Women's Hospital. Dmand AI also links Dr. Alexander to 1 more hospital outpatient department, named with a free account. Dr. Alexander's employer is on file too: a hospital.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Cristina B. Alexander's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Alexander practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Brigham and Women's Hospital | Available with a free account |
| +2 more affiliated sites | 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 Mass General Brigham and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Cristina B. Alexander is one of 5,528 internists in Massachusetts
Internal medicine is Dr. Alexander's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Alexander is licensed in Massachusetts.
Specialties and state licenses
- Internal medicine, MassachusettsPrimary
Internists near Dr. Alexander
Counts of internists 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. Cristina B. Alexander billed Medicare for 85 services in 2024
CMS data shows 85 Medicare services from Dr. Alexander across 2 procedure codes in 2024, for 36 Medicare patients. Medicare paid $4,003 for them. Every service was in an office.
Dr. Alexander's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 432024: 5221%
- Other services
- 2023: 02024: 33
Dr. Alexander compared with the Massachusetts median for internists, 2024
- Dr. Alexander
- Massachusetts median
- Medicare services
- 85vs 43180% below
- Medicare patients
- 36vs 19481% below
- Part D claims
- 1,437vs 4023.6 times
Medians across 5,369 internists in Massachusetts with Dmand AI profiles that report each measure.
Dr. Alexander'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. Alexander and other internists in Massachusetts.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Cristina B. Alexander treated 36 Medicare patients in 2024, average age 68
CMS counts 36 Medicare patients who saw Dr. Alexander in 2024. The largest group is 65 to 74, with 21 patients. 67% of them have high blood pressure, and 53% have high cholesterol. 56% are also on Medicaid. Their average risk score is 0.87, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Alexander's median patient age at 69, with 85% women.
Dr. Alexander's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Chronic conditions among Dr. Alexander's Medicare patients, 2024
- High blood pressure67%
- High cholesterol53%
- Arthritis42%
- Diabetes39%
- Mood disorders31%
Share of Medicare patients with each condition. A patient can have several.
Dr. Alexander's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 69
Patient panel by sex, all payers
- Women85%
- Men15%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Cristina B. Alexander wrote 1,875 Medicare Part D claims in 2024
In 2024, Dr. Alexander wrote 1,875 Medicare Part D claims for 107 patients. 82% of them were for generic drugs. CMS names the drug for 1,437 of them, across 46 drugs with 11 or more claims each, at $167,508 in total drug cost. In 2023, CMS named 1,426 claims across 47 drugs.
Dr. Alexander's Part D claims by kind of drug, 2024
- Generic1,529 claims82%
- Brand-name308 claims16%
- Other38 claims2%
Dr. Alexander'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. Alexander's Part D claims, 2024
- Opioids4%71 of 1,875 claims
- Antibiotics1%13 of 1,875 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: 1,4262024: 1,4371%
Drugs named by CMS: 46 in 2024, 47 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. Cristina B. Alexander offers telehealth to Medicare patients
Dr. Alexander accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Alexander as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. Cristina B. Alexander has 1 publication on record
Dmand AI links 1 paper to Dr. Alexander in 2019. Dr. Alexander's most frequent co-author is Helen M. Shields, MD.
Dr. Alexander's most frequent co-authors
Recent publications by Dr. Alexander
See who Dr. Alexander researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Alexander works with, so you can find a warm path to the right internists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Cristina B. Alexander graduated from Yale University School of Medicine
Dr. Alexander graduated from Yale University School of Medicine in 2005.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Cristina B. Alexander'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) |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| 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. Cristina B. Alexander
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. Cristina B. Alexander's NPI number?
Dr. Cristina B. Alexander's NPI number is 1326182718. It was assigned on February 18, 2007, and it is active in the NPI Registry.
What kind of doctor is Dr. Cristina B. Alexander?
Dr. Cristina B. Alexander is an internist in Boston, Massachusetts. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Cristina B. Alexander practice?
Dr. Alexander practices at 75 Francis Street, Boston, MA 02115. Dr. Alexander's primary practice is Brigham and Women's Hospital in Boston, Massachusetts, part of Mass General Brigham. Dmand AI also links Dr. Alexander to 1 hospital outpatient department.
What is Dr. Cristina B. Alexander's office phone number?
The practice phone on file for Dr. Alexander is (617) 732-5500.
What is Dr. Cristina B. Alexander's medical license number?
Dr. Alexander holds Massachusetts license 224945.
Which hospitals is Dr. Cristina B. Alexander affiliated with?
Dr. Alexander practices at Brigham and Women's Hospital in Boston, Massachusetts. Dr. Alexander is also affiliated with Brigham and Women's Faulkner Hospital.
What medical group is Dr. Cristina B. Alexander part of?
Dr. Alexander is linked to Brigham and Women's Hospital.
Does Dr. Cristina B. Alexander accept Medicare?
Yes. CMS data shows Dr. Alexander billed Medicare for 85 services in 2024, and Dr. Alexander accepts Medicare assignment.
Does Dr. Cristina B. Alexander offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Alexander as offering telehealth services.
How many Medicare patients does Dr. Cristina B. Alexander see?
CMS counts 36 Medicare patients who saw Dr. Alexander in 2024, with an average age of 68.
Show 6 more questionsShow fewer questions
What services does Dr. Cristina B. Alexander bill to Medicare?
In 2024, Dr. Alexander's most billed Medicare services were office visit, established patient (99214) and medicare service (G2211).
Where did Dr. Cristina B. Alexander go to medical school?
Dr. Alexander graduated from Yale University School of Medicine in 2005.
What drugs does Dr. Cristina B. Alexander prescribe most?
In 2024 Medicare Part D data, Dr. Alexander's most prescribed drugs by claims were Rosuvastatin Calcium, Amlodipine Besylate and Atorvastatin Calcium.
How long has Dr. Cristina B. Alexander been practicing?
Dr. Alexander graduated from medical school in 2005, 21 years ago.
Does Dr. Cristina B. Alexander do research?
Dmand AI links 1 publication to Dr. Alexander.
Who does Dr. Cristina B. Alexander publish with?
Dr. Alexander's most frequent co-authors are Helen M. Shields, MD (1 shared paper).
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