Dr. Erika Nielsen Santoro, MD
- Medicare services, 2024
- 1,225
- Medicare patients, 2024
- 159
- Part D claims, 2024
- 3,580
- Hospital affiliations
- 5
- Medical groups
- 2
- Practice address
- 111 Grossman Dr, Braintree, MA 02184-4997
- Practice phone
- Call (781) 849-1000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Harvard Vanguard Medical Associates
Multi-specialty group site · Braintree, Massachusetts
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Dr. Erika Nielsen Santoro is an internist in Braintree, Massachusetts
Dr. Santoro practices at Harvard Vanguard Medical Associates in Braintree, Massachusetts.
Dr. Santoro's NPI, 1497913438, was assigned on May 27, 2008. Dr. Santoro graduated from University of Virginia School of Medicine in 2007. Dr. Santoro holds Massachusetts license 232829.
- NPI
- 1497913438NPI Registry (opens in a new tab)
- Medicare PAC ID
- 2365575370
- NPI enumeration date
- May 27, 2008
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (781) 849-1000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 45
- Medical school graduation
- 2007
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Erika Nielsen Santoro practices at Harvard Vanguard Medical Associates in Braintree, Massachusetts
Dr. Santoro's primary practice is Harvard Vanguard Medical Associates, at 111 Grossman Dr, Braintree, MA 02184-4997. The practice phone is (781) 849-1000.
- Harvard Vanguard Medical Associates111 Grossman Dr, Braintree, MA 02184-4997Phone(781) 849-1000
Source: Dmand AI Affiliation Data
Dr. Erika Nielsen Santoro is affiliated with 7 sites of care and 2 medical groups
Dr. Santoro's primary practice is Harvard Vanguard Medical Associates in Braintree, Massachusetts. Dr. Santoro is also affiliated with Massachusetts General Hospital. The medical group on file is Atrius Health. Dmand AI also links Dr. Santoro to 4 more hospitals, 1 group practice or clinic and 1 medical group, each named with a free account.
Source: Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Erika Nielsen Santoro's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Santoro practices, 7 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Harvard Vanguard Medical Associates | Available with a free account |
| +6 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Erika Nielsen Santoro is one of 5,528 internists in Massachusetts
Internal medicine is Dr. Santoro's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Santoro is licensed in Massachusetts.
Specialties and state licenses
- Internal medicine, MassachusettsPrimary
Internists near Dr. Santoro
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. Erika Nielsen Santoro billed Medicare for 1,225 services in 2024
CMS data shows 1,225 Medicare services from Dr. Santoro across 23 procedure codes in 2024, for 159 Medicare patients. Medicare paid $31,097 for them. Every service was in an office.
Dr. Santoro's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Lab and pathology
- 2023: 5912024: 52611%
- Office and hospital visits
- 2023: 3632024: 31413%
- Surgery
- 2023: 2932024: 2679%
- Other services
- 2023: 852024: 779%
- Tests and treatments
- 2023: 192024: 41116%
Dr. Santoro compared with the Massachusetts median for internists, 2024
- Dr. Santoro
- Massachusetts median
- Medicare services
- 1,225vs 4312.8 times
- Medicare patients
- 159vs 19418% below
- Part D claims
- 3,130vs 4027.8 times
Medians across 5,369 internists in Massachusetts with Dmand AI profiles that report each measure.
Dr. Santoro'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. Erika Nielsen Santoro treated 159 Medicare patients in 2024, average age 72
CMS counts 159 Medicare patients who saw Dr. Santoro in 2024. The largest group is 65 to 74, with 79 patients. 63% of them have high blood pressure, and 57% have high cholesterol. 13% are also on Medicaid. Their average risk score is 1.08, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Santoro's median patient age at 62, with 73% women.
Dr. Santoro's Medicare patients by age, 2024
Dr. Santoro's Medicare patients by sex, 2024
- Women11371%
- Men4629%
Chronic conditions among Dr. Santoro's Medicare patients, 2024
- High blood pressure63%
- High cholesterol57%
- Arthritis35%
- Mood disorders28%
- Anxiety26%
- Diabetes26%
- Chronic kidney disease23%
- Depression23%
Share of Medicare patients with each condition. A patient can have several.
Dr. Santoro's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 62
Patient panel by sex, all payers
- Women73%
- Men26%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Erika Nielsen Santoro wrote 3,580 Medicare Part D claims in 2024
In 2024, Dr. Santoro wrote 3,580 Medicare Part D claims for 306 patients. 91% of them were for generic drugs. CMS names the drug for 3,130 of them, across 74 drugs with 11 or more claims each, at $210,549 in total drug cost. In 2023, CMS named 3,229 claims across 74 drugs.
Dr. Santoro's Part D claims by kind of drug, 2024
- Generic3,253 claims91%
- Brand-name312 claims9%
- Other15 claims0%
Dr. Santoro'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. Santoro's Part D claims, 2024
- Opioids1%27 of 3,580 claims
- Antibiotics1%47 of 3,580 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: 3,2292024: 3,1303%
Drugs named by CMS: 74 in 2024, 74 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. Erika Nielsen Santoro offers telehealth to Medicare patients
Dr. Santoro accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Santoro as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. Erika Nielsen Santoro graduated from University of Virginia School of Medicine
Dr. Santoro graduated from University of Virginia School of Medicine in 2007.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Erika Nielsen Santoro'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 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) |
| 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. Erika Nielsen Santoro
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. Erika Nielsen Santoro's NPI number?
Dr. Erika Nielsen Santoro's NPI number is 1497913438. It was assigned on May 27, 2008, and it is active in the NPI Registry.
What kind of doctor is Dr. Erika Nielsen Santoro?
Dr. Erika Nielsen Santoro is an internist in Braintree, Massachusetts. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Erika Nielsen Santoro practice?
Dr. Santoro practices at 111 Grossman Dr, Braintree, MA 02184-4997. Dr. Santoro's primary practice is Harvard Vanguard Medical Associates in Braintree, Massachusetts. Dmand AI also links Dr. Santoro to 4 hospitals, 1 group practice or clinic and 1 medical group.
What is Dr. Erika Nielsen Santoro's office phone number?
The practice phone on file for Dr. Santoro is (781) 849-1000.
What is Dr. Erika Nielsen Santoro's medical license number?
Dr. Santoro holds Massachusetts license 232829.
Which hospitals is Dr. Erika Nielsen Santoro affiliated with?
Dr. Santoro is affiliated with Massachusetts General Hospital. Dmand AI links Dr. Santoro to 4 more hospitals.
What medical group is Dr. Erika Nielsen Santoro part of?
Dr. Santoro is linked to Atrius Health. Dmand AI links Dr. Santoro to 1 more medical group.
Does Dr. Erika Nielsen Santoro accept Medicare?
Yes. CMS data shows Dr. Santoro billed Medicare for 1,225 services in 2024, and Dr. Santoro accepts Medicare assignment.
Does Dr. Erika Nielsen Santoro offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Santoro as offering telehealth services.
How many Medicare patients does Dr. Erika Nielsen Santoro see?
CMS counts 159 Medicare patients who saw Dr. Santoro in 2024, with an average age of 72.
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What services does Dr. Erika Nielsen Santoro bill to Medicare?
In 2024, Dr. Santoro's most billed Medicare services were surgery: heart and blood vessels (36415), office visit, established patient (99214) and lab and pathology test (83036).
Where did Dr. Erika Nielsen Santoro go to medical school?
Dr. Santoro graduated from University of Virginia School of Medicine in 2007.
What drugs does Dr. Erika Nielsen Santoro prescribe most?
In 2024 Medicare Part D data, Dr. Santoro's most prescribed drugs by claims were Atorvastatin Calcium, Hydrochlorothiazide and Lisinopril.
How long has Dr. Erika Nielsen Santoro been practicing?
Dr. Santoro graduated from medical school in 2007, 19 years ago.
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