Dr. Erin Flanagin, MD
- Medicare services, 2024
- 583
- Medicare patients, 2024
- 205
- Part D claims, 2024
- 543
- Hospital affiliations
- 4
- Industry payments
- $16
- 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
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Dr. Erin Flanagin is an internist in Boston, Massachusetts
Dr. Flanagin practices at Tufts Medical Center in Boston, Massachusetts, part of Tufts Medicine.
Dr. Flanagin's NPI, 1144670753, was assigned on June 14, 2016. Dr. Flanagin graduated from Clvlnd Clinic Lerner College of Med of Case Wstn Rsv University in 2016. Dr. Flanagin holds Massachusetts license 267904.
- NPI
- 1144670753NPI Registry (opens in a new tab)
- Medicare PAC ID
- 0547556375
- NPI enumeration date
- June 14, 2016
- 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
- Male
- Estimated age
- 36
- Medical school graduation
- 2016
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Erin Flanagin practices at Tufts Medical Center in Boston, Massachusetts
Dr. Flanagin's 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. Erin Flanagin is affiliated with 7 sites of care and 1 medical group
Dr. Flanagin's primary practice is Tufts Medical Center in Boston, Massachusetts, part of Tufts Medicine. Dr. Flanagin is also affiliated with CHA Cambridge Hospital. The medical group on file is Pratt Medical Group, Inc. - General Medical Associates (General Internal Medicine). Dmand AI also links Dr. Flanagin to 2 more hospitals, 2 dialysis centers and 1 imaging center, 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. Erin Flanagin's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Flanagin practices, 7 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 |
| +6 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 Tufts Medicine and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Erin Flanagin is one of 5,528 internists in Massachusetts
Internal medicine is Dr. Flanagin's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Flanagin is licensed in Massachusetts.
Specialties and state licenses
- Internal medicine, MassachusettsPrimary
Internists near Dr. Flanagin
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. Erin Flanagin billed Medicare for 583 services in 2024
CMS data shows 583 Medicare services from Dr. Flanagin across 8 procedure codes in 2024, for 205 Medicare patients. Medicare paid $35,787 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Flanagin's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 272024: 3701270%
- Other services
- 2023: 02024: 213
Dr. Flanagin compared with the Massachusetts median for internists, 2024
- Dr. Flanagin
- Massachusetts median
- Medicare services
- 583vs 43135% above
- Medicare patients
- 205vs 1946% above
- Part D claims
- 417vs 402Close to median
Medians across 5,369 internists in Massachusetts with Dmand AI profiles that report each measure.
Dr. Flanagin'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. Erin Flanagin treated 205 Medicare patients in 2024, average age 77
CMS counts 205 Medicare patients who saw Dr. Flanagin in 2024. The largest group is 75 to 84, with 87 patients. 75% of them have chronic kidney disease, and 75% have high blood pressure. 18% are also on Medicaid. Their average risk score is 2.14, 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. Flanagin's median patient age at 74, with 48% women.
Dr. Flanagin's Medicare patients by age, 2024
Dr. Flanagin's Medicare patients by sex, 2024
- Women10350%
- Men10250%
Chronic conditions among Dr. Flanagin's Medicare patients, 2024
- Chronic kidney disease75%
- High blood pressure75%
- High cholesterol75%
- Diabetes49%
- Arthritis44%
- Ischemic heart disease39%
- Heart failure35%
- Anxiety31%
Share of Medicare patients with each condition. A patient can have several.
Dr. Flanagin's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 74
Patient panel by sex, all payers
- Women48%
- Men52%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Erin Flanagin wrote 543 Medicare Part D claims in 2024
In 2024, Dr. Flanagin wrote 543 Medicare Part D claims for 126 patients. 88% of them were for generic drugs. CMS names the drug for 417 of them, across 12 drugs with 11 or more claims each, at $51,640 in total drug cost. In 2022, CMS named 157 claims across 9 drugs.
Dr. Flanagin's Part D claims by kind of drug, 2024
- Generic477 claims88%
- Brand-name66 claims12%
Dr. Flanagin'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.
Part D claims for drugs CMS names, 2022 to 2024
- 2022
- 2024
- Claims for drugs CMS names
- 2022: 1572024: 417166%
Drugs named by CMS: 12 in 2024, 9 in 2022.
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. Erin Flanagin offers telehealth to Medicare patients
Dr. Flanagin accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Flanagin as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. Erin Flanagin received $16 in industry payments in 2019
CMS Open Payments shows 1 general payment to Dr. Flanagin from 1 drug or device company in 2019. Food and beverage make up the largest share, 100% of the total. Allergan Inc. paid the most, $16.
Companies that paid Dr. Flanagin the most, 2019 to 2019
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Erin Flanagin graduated from Clvlnd Clinic Lerner College of Med of Case Wstn Rsv University
Dr. Flanagin graduated from Clvlnd Clinic Lerner College of Med of Case Wstn Rsv University in 2016.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Erin Flanagin'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) |
| 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. Erin Flanagin
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. Erin Flanagin's NPI number?
Dr. Erin Flanagin's NPI number is 1144670753. It was assigned on June 14, 2016, and it is active in the NPI Registry.
What kind of doctor is Dr. Erin Flanagin?
Dr. Erin Flanagin is an internist in Boston, Massachusetts. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Erin Flanagin practice?
Dr. Flanagin practices at 800 Washington Street, Boston, MA 02111. Dr. Flanagin's primary practice is Tufts Medical Center in Boston, Massachusetts, part of Tufts Medicine. Dmand AI also links Dr. Flanagin to 2 hospitals, 2 dialysis centers and 1 imaging center.
What is Dr. Erin Flanagin's office phone number?
The practice phone on file for Dr. Flanagin is (617) 636-5000.
What is Dr. Erin Flanagin's medical license number?
Dr. Flanagin holds Massachusetts license 267904.
Which hospitals is Dr. Erin Flanagin affiliated with?
Dr. Flanagin practices at Tufts Medical Center in Boston, Massachusetts. Dr. Flanagin is also affiliated with CHA Cambridge Hospital. Dmand AI links Dr. Flanagin to 2 more hospitals.
What medical group is Dr. Erin Flanagin part of?
Dr. Flanagin is linked to Pratt Medical Group, Inc. - General Medical Associates (General Internal Medicine).
Does Dr. Erin Flanagin accept Medicare?
Yes. CMS data shows Dr. Flanagin billed Medicare for 583 services in 2024, and Dr. Flanagin accepts Medicare assignment.
Does Dr. Erin Flanagin offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Flanagin as offering telehealth services.
How many Medicare patients does Dr. Erin Flanagin see?
CMS counts 205 Medicare patients who saw Dr. Flanagin in 2024, with an average age of 77.
Show 5 more questionsShow fewer questions
What services does Dr. Erin Flanagin bill to Medicare?
In 2024, Dr. Flanagin's most billed Medicare services were medicare service (G2211), office visit, established patient (99214) and office visit, new patient (99204).
Where did Dr. Erin Flanagin go to medical school?
Dr. Flanagin graduated from Clvlnd Clinic Lerner College of Med of Case Wstn Rsv University in 2016.
What drugs does Dr. Erin Flanagin prescribe most?
In 2024 Medicare Part D data, Dr. Flanagin's most prescribed drugs by claims were Amlodipine Besylate, Lisinopril and Losartan Potassium.
Has Dr. Erin Flanagin received payments from drug or device companies?
CMS Open Payments shows $16 in general payments to Dr. Flanagin from 1 company from 2019 to 2019. The largest total came from Allergan Inc.
How long has Dr. Erin Flanagin been practicing?
Dr. Flanagin graduated from medical school in 2016, 10 years ago.
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