Sarah E. Kler

  • Boston, MA
  • Internist
NPI1366028409
Medicare services, 2024
125
Medicare patients, 2024
63
Part D claims, 2024
129
Hospital affiliations
1
Medical groups
3
Practice address
55 Fruit Street, Boston, MA 02114
Practice phone
Call (617) 726-2000
Professional email
Get professional email
Personal email
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Mobile number
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Social profiles

Primary practice

Massachusetts General Hospital

Hospital · Boston, Massachusetts

See all 5 affiliations

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Sarah E. Kler is an internist in Boston, Massachusetts

Sarah Kler practices at Massachusetts General Hospital in Boston, Massachusetts, part of Mass General Brigham.

Sarah Kler's NPI, 1366028409, was assigned on March 19, 2021. Sarah Kler graduated from Warren Alpert Medical School of Brown University in 2021. Sarah Kler holds Massachusetts license 1017688.

NPI and contact details
NPI enumeration date
March 19, 2021
NPI status
Active
Practice phone
(617) 726-2000
Professional email
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Personal email
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Mobile number
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Sex
Female
Estimated age
31
Medical school graduation
2021

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data

Sarah E. Kler practices at Massachusetts General Hospital in Boston, Massachusetts

Sarah Kler's primary practice is Massachusetts General Hospital, at 55 Fruit Street, Boston, MA 02114 in Suffolk County. The practice phone is (617) 726-2000.

Source: Dmand AI Affiliation Data

Sarah E. Kler is affiliated with 2 sites of care and 3 medical groups

Sarah Kler's primary practice is Massachusetts General Hospital in Boston, Massachusetts, part of Mass General Brigham. The medical group on file is Massachusetts General Hospital. Dmand AI also links Sarah Kler to 2 more medical groups and 1 community health center, each named with a free account. Sarah Kler's employer is on file too: a hospital.

See all 5 affiliations for Sarah Kler

Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data

Dmand AI tracks the EHR system at Sarah E. Kler's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Sarah Kler practices, 2 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Massachusetts General HospitalAvailable with a free account
+1 more site and 2 medical groupsAvailable with a free account

Source: Dmand AI Technology Install Data

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Sarah E. Kler is one of 5,528 internists in Massachusetts

Internal medicine is Sarah Kler's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Sarah Kler is licensed in Massachusetts.

Specialties and state licenses

  • Internal medicine, MassachusettsPrimaryLicense 1017688 · taxonomy 207R00000X

Internists near Sarah Kler

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

Sarah E. Kler billed Medicare for 125 services in 2024

CMS data shows 125 Medicare services from Sarah Kler across 4 procedure codes in 2024, for 63 Medicare patients. Medicare paid $8,718 for them. Every service was in a facility, such as a hospital, rather than an office.

Medicare services, 2024125
Medicare patients63
Paid by Medicare$8,718
Procedure codes4

Sarah Kler compared with the Massachusetts median for internists, 2024

  • Sarah Kler
  • Massachusetts median
Medicare services
125vs 43171% below
Medicare patients
63vs 19468% below
Part D claims
11vs 40297% below

Medians across 5,369 internists in Massachusetts with Dmand AI profiles that report each measure.

Sarah Kler'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

Sarah E. Kler treated 63 Medicare patients in 2024, average age 77

CMS counts 63 Medicare patients who saw Sarah Kler in 2024. The largest group is 75 to 84, with 24 patients. 75% of them have high blood pressure, and 68% have high cholesterol. 40% are also on Medicaid. Their average risk score is 2.47, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.

Across all payers, Dmand AI patient panel data puts Sarah Kler's median patient age at 69, with 68% women.

Medicare patients, 202463
Average age77
Average risk score2.47
Also on Medicaid40%

Sarah Kler's Medicare patients by age, 2024

CMS leaves out age groups with fewer than 11 patients.

Sarah Kler's Medicare patients by sex, 2024

  • Women3556%
  • Men2844%

Chronic conditions among Sarah Kler's Medicare patients, 2024

  1. High blood pressure75%
  2. High cholesterol68%
  3. Arthritis54%
  4. Diabetes51%
  5. Heart failure49%
  6. Chronic kidney disease48%
  7. Ischemic heart disease44%
  8. Atrial fibrillation41%

Share of Medicare patients with each condition. A patient can have several.

Sarah Kler'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

  • Women68%
  • Men32%

Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data

Sarah E. Kler wrote 129 Medicare Part D claims in 2024

In 2024, Sarah Kler wrote 129 Medicare Part D claims for 36 patients. 80% of them were for generic drugs. CMS names the drug for 11 of them, across 1 drug with 11 or more claims each, at $472 in total drug cost. In 2023, CMS named 50 claims across 2 drugs.

Part D claims, 2024129
Drugs named by CMS1
Total drug cost$472
Part D patients36

Sarah Kler's Part D claims by kind of drug, 2024

  • Generic103 claims80%
  • Brand-name and other26 claims20%

Sarah Kler'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 Sarah Kler's Part D claims, 2024

  • Antibiotics11%14 of 129 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: 502024: 1178%

Drugs named by CMS: 1 in 2024, 2 in 2023.

See all prescribing by Sarah Kler

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

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Sarah E. Kler graduated from Warren Alpert Medical School of Brown University

Sarah Kler graduated from Warren Alpert Medical School of Brown University in 2021.

  1. Medical schoolWarren Alpert Medical School of Brown University

Source: Dmand AI Professional Profile Data

Sources for Sarah E. Kler's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneDmand AI Affiliation Data
Primary practice, affiliations and health systemDmand AI Affiliation DataDmand AI Org Hierarchy Data
Medicare services and procedure codesMedicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab)
State medians for the same specialtyDmand AI Peer Benchmarks
Medicare patients and the all-payer patient panelDmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab)
Part D prescribingMedicare 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)
Training, board certification and membershipsDmand AI Professional Profile Data
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand AI Affiliation Data

Data last refreshed October 2026Report an inaccuracyRemove my information

FAQ

Frequently asked questions about Sarah E. Kler

Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.

What is Sarah E. Kler's NPI number?

Sarah E. Kler's NPI number is 1366028409. It was assigned on March 19, 2021, and it is active in the NPI Registry.

What does Sarah E. Kler specialize in?

Sarah E. Kler is an internist in Boston, Massachusetts. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).

Where does Sarah E. Kler practice?

Sarah Kler practices at 55 Fruit Street, Boston, MA 02114. Sarah Kler's primary practice is Massachusetts General Hospital in Boston, Massachusetts, part of Mass General Brigham. Dmand AI also links Sarah Kler to 2 medical groups and 1 community health center.

What is Sarah E. Kler's office phone number?

The practice phone on file for Sarah Kler is (617) 726-2000.

What is Sarah E. Kler's medical license number?

Sarah Kler holds Massachusetts license 1017688.

Which hospitals is Sarah E. Kler affiliated with?

Sarah Kler practices at Massachusetts General Hospital in Boston, Massachusetts.

What medical group is Sarah E. Kler part of?

Sarah Kler is linked to Massachusetts General Hospital. Dmand AI links Sarah Kler to 2 more medical groups.

Does Sarah E. Kler accept Medicare?

Yes. CMS data shows Sarah Kler billed Medicare for 125 services in 2024.

How many Medicare patients does Sarah E. Kler see?

CMS counts 63 Medicare patients who saw Sarah Kler in 2024, with an average age of 77.

What services does Sarah E. Kler bill to Medicare?

In 2024, Sarah Kler's most billed Medicare services were hospital inpatient care (99232), office visit, established patient (99214) and hospital inpatient care (99239).

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Where did Sarah E. Kler go to medical school?

Sarah Kler graduated from Warren Alpert Medical School of Brown University in 2021.

What drugs does Sarah E. Kler prescribe most?

In 2024 Medicare Part D data, Sarah Kler's most prescribed drugs by claims were Ceftriaxone.

How long has Sarah E. Kler been practicing?

Sarah Kler graduated from medical school in 2021, 5 years ago.

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