Dr. Jocelyn R. Farmer, MD, PhD

  • Burlington, MA
  • Allergist and immunologist
NPI1194162321PAC ID9335376623
Medicare services, 2024
219
Medicare patients, 2024
80
Part D claims, 2024
349
Publications
50
Hospital affiliations
1
Practice address
41 & 45 Mall Road, Burlington, MA 01803
Practice phone
Call (781) 744-5100
Professional email
Get professional email
Personal email
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Mobile number
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Social profiles

Primary practice

Lahey Clinic

Hospital · Burlington, Massachusetts

See all 9 affiliations

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Dr. Jocelyn R. Farmer is an allergist and immunologist in Burlington, Massachusetts

Dr. Farmer practices at Lahey Clinic in Burlington, Massachusetts, part of Beth Israel Lahey Health.

Dr. Farmer's NPI, 1194162321, was assigned on May 29, 2013. Dr. Farmer graduated from University of Michigan Medical School in 2013. Dr. Farmer holds Massachusetts license 270403.

NPI and contact details
Medicare PAC ID
9335376623
NPI enumeration date
May 29, 2013
NPI status
Active
Accepts Medicare assignment
Yes
Offers telehealth
Yes
Practice phone
(781) 744-5100
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. Jocelyn R. Farmer practices at Lahey Clinic in Burlington, Massachusetts

Dr. Farmer's primary practice is Lahey Clinic, at 41 & 45 Mall Road, Burlington, MA 01803 in Middlesex County. The practice phone is (781) 744-5100.

  • Lahey Clinic
    41 & 45 Mall Road, Burlington, MA 01803 · Middlesex CountyPhone(781) 744-5100

Source: Dmand AI Affiliation Data

Dr. Jocelyn R. Farmer is affiliated with 5 sites of care and 4 medical groups

Dr. Farmer's primary practice is Lahey Clinic in Burlington, Massachusetts, part of Beth Israel Lahey Health. The medical group on file is Lahey Clinic. Dmand AI also links Dr. Farmer to 4 more group practices and clinics and 3 medical groups, each named with a free account.

See all 9 affiliations for Dr. Farmer

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

Dmand AI tracks the EHR system at Dr. Jocelyn R. Farmer's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Farmer practices, 5 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Lahey ClinicAvailable with a free account
+4 more sites and 3 medical groupsAvailable with a free account

Source: Dmand AI Technology Install Data

For health IT teams

See the EHR and IT leaders at every hospital where Dr. Farmer practices

Dmand AI maps EHR vendors, IT decision makers and buying committees across Beth Israel Lahey Health and 6.2K+ hospitals, with verified contacts in the same login.

Dr. Jocelyn R. Farmer is one of 106 allergists and immunologists in Massachusetts

Allergy and immunology is Dr. Farmer's primary specialty in the NPI Registry, under taxonomy code 207K00000X. Dr. Farmer is licensed in Massachusetts.

Specialties and state licenses

  • Allergy and immunology, MassachusettsPrimaryLicense L-255467 · taxonomy 207K00000X

Allergists and immunologists near Dr. Farmer

Counts of allergists and immunologists 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. Jocelyn R. Farmer billed Medicare for 219 services in 2024

CMS data shows 219 Medicare services from Dr. Farmer across 3 procedure codes in 2024, for 80 Medicare patients. Medicare paid $12,616 for them.

Medicare services, 2024219
Medicare patients80
Paid by Medicare$12,616
Procedure codes3

Dr. Farmer's Medicare services by type, 2023 to 2024

  • 2023
  • 2024
Office and hospital visits
2023: 2062024: 11743%
Other services
2023: 02024: 102

Where Dr. Farmer's Medicare services took place, 2024

  • In an office6027%
  • In a facility15973%

Dr. Farmer compared with the Massachusetts median for allergists and immunologists, 2024

  • Dr. Farmer
  • Massachusetts median
Medicare services
219vs 1,07180% below
Medicare patients
80vs 12435% below
Part D claims
231vs 18922% above

Medians across 100 allergists and immunologists in Massachusetts with Dmand AI profiles that report each measure.

Dr. Farmer'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.

See all procedures by Dr. Farmer

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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks

Dr. Jocelyn R. Farmer treated 80 Medicare patients in 2024, average age 69

CMS counts 80 Medicare patients who saw Dr. Farmer in 2024. The largest group is 65 to 74, with 42 patients. 64% of them have high cholesterol, and 60% have arthritis. 18% are also on Medicaid. Their average risk score is 2.57, 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. Farmer's median patient age at 59, with 70% women.

Medicare patients, 202480
Average age69
Average risk score2.57
Also on Medicaid18%

Dr. Farmer's Medicare patients by age, 2024

CMS leaves out age groups with fewer than 11 patients.

Dr. Farmer's Medicare patients by sex, 2024

  • Women6784%
  • Men1316%

Chronic conditions among Dr. Farmer's Medicare patients, 2024

  1. High cholesterol64%
  2. Arthritis60%
  3. High blood pressure59%
  4. Asthma49%
  5. Osteoporosis45%
  6. Anxiety40%
  7. Mood disorders36%
  8. COPD34%

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

Dr. Farmer's patients across all payers

Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.

Patient panel by age, all payers

Median age 59

Patient panel by sex, all payers

  • Women70%
  • Men30%

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

Dr. Jocelyn R. Farmer wrote 349 Medicare Part D claims in 2024

In 2024, Dr. Farmer wrote 349 Medicare Part D claims for 56 patients. CMS names the drug for 231 of them, across 10 drugs with 11 or more claims each, at $370,277 in total drug cost. In 2023, CMS named 285 claims across 13 drugs.

Part D claims, 2024349
Drugs named by CMS10
Total drug cost$370,277
Part D patients56

Dr. Farmer'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. Farmer's Part D claims, 2024

  • Antibiotics15%51 of 349 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: 2852024: 23119%

Drugs named by CMS: 10 in 2024, 13 in 2023.

See all prescribing by Dr. Farmer

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. Jocelyn R. Farmer offers telehealth to Medicare patients

Dr. Farmer accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Farmer as offering telehealth.

Accepts Medicare assignment
Yes
Offers telehealth
Yes

Source: Doctors and Clinicians National Downloadable File (CMS)

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Dr. Jocelyn R. Farmer has 50 publications on record

Dmand AI links 50 papers to Dr. Farmer, published from 2014 to 2025. 2024 was the busiest year, with 7. The most frequent topics are COVID-19, Common Variable Immunodeficiency and SARS-CoV-2. Dr. Farmer has published most often in J Allergy Clin Immunol Pract. Dr. Farmer's most frequent co-authors are Jolan E. Walter, MD, Daniel Digiacomo and Naoki Kaneko, MD.

Papers50
Years published2014 to 2025

Dr. Farmer's papers by year, 2016 to 2025

Topics Dr. Farmer writes about most

  • COVID-19
  • Common Variable Immunodeficiency
  • SARS-CoV-2
  • Immunologic Deficiency Syndromes
  • COVID-19 Vaccines
  • B-Lymphocytes
  • Immune Checkpoint Inhibitors
  • Primary Immunodeficiency Diseases

Dr. Farmer's most frequent co-authors

Recent publications by Dr. Farmer

See all 50 publications and co-authors

See who Dr. Farmer researches with

Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Farmer works with, so you can find a warm path to the right allergists and immunologists.

How network discovery works

Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage

Dr. Jocelyn R. Farmer received $29,423 in industry payments from 2016 to 2024

CMS Open Payments shows 31 general payments to Dr. Farmer from 6 drug and device companies from 2016 to 2024. Consulting fees make up the largest share, 96% of the total. Bristol-Myers Squibb Company paid the most, $17,113.

General payments to Dr. Farmer by program year, 2016 to 2024

General payments to Dr. Farmer by kind, 2016 to 2024

$29.4Kin total
  • Consulting fees$28,20096%
  • Travel and lodging$8833%
  • Food and beverage$3391%
  • Education$10%

Companies that paid Dr. Farmer the most, 2016 to 2024

Share is of all general payments to this clinician.

See all payments to Dr. Farmer

Source: Open Payments (CMS), 2025 data, released July 7, 2026

Dr. Jocelyn R. Farmer graduated from University of Michigan Medical School

Dr. Farmer graduated from University of Michigan Medical School in 2013.

  1. Medical schoolUniversity of Michigan Medical School

Source: Dmand AI Professional Profile Data

Sources for Dr. Jocelyn R. Farmer'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)
MIPS scores, telehealth, assignment and procedure percentilesDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)
Publications, topics and co-authorsPubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage
Industry paymentsOpen Payments (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 Dr. Jocelyn R. Farmer

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. Jocelyn R. Farmer's NPI number?

Dr. Jocelyn R. Farmer's NPI number is 1194162321. It was assigned on May 29, 2013, and it is active in the NPI Registry.

What kind of doctor is Dr. Jocelyn R. Farmer?

Dr. Jocelyn R. Farmer is an allergist and immunologist in Burlington, Massachusetts. The primary specialty in the NPI Registry is Allergy & Immunology Physician (taxonomy code 207K00000X).

Where does Dr. Jocelyn R. Farmer practice?

Dr. Farmer practices at 41 & 45 Mall Road, Burlington, MA 01803. Dr. Farmer's primary practice is Lahey Clinic in Burlington, Massachusetts, part of Beth Israel Lahey Health. Dmand AI also links Dr. Farmer to 4 group practices and clinics and 3 medical groups.

What is Dr. Jocelyn R. Farmer's office phone number?

The practice phone on file for Dr. Farmer is (781) 744-5100.

What is Dr. Jocelyn R. Farmer's medical license number?

Dr. Farmer holds Massachusetts license 270403.

Which hospitals is Dr. Jocelyn R. Farmer affiliated with?

Dr. Farmer practices at Lahey Clinic in Burlington, Massachusetts.

What medical group is Dr. Jocelyn R. Farmer part of?

Dr. Farmer is linked to Lahey Clinic. Dmand AI links Dr. Farmer to 3 more medical groups.

Does Dr. Jocelyn R. Farmer accept Medicare?

Yes. CMS data shows Dr. Farmer billed Medicare for 219 services in 2024, and Dr. Farmer accepts Medicare assignment.

Does Dr. Jocelyn R. Farmer offer telehealth?

Yes. The CMS Doctors and Clinicians file lists Dr. Farmer as offering telehealth services.

How many Medicare patients does Dr. Jocelyn R. Farmer see?

CMS counts 80 Medicare patients who saw Dr. Farmer in 2024, with an average age of 69.

Show 7 more questionsShow fewer questions

What services does Dr. Jocelyn R. Farmer bill to Medicare?

In 2024, Dr. Farmer's most billed Medicare services were medicare service (G2211), office visit, established patient (99214) and office visit, established patient (99215).

Where did Dr. Jocelyn R. Farmer go to medical school?

Dr. Farmer graduated from University of Michigan Medical School in 2013.

What drugs does Dr. Jocelyn R. Farmer prescribe most?

In 2024 Medicare Part D data, Dr. Farmer's most prescribed drugs by claims were Xolair, Montelukast Sodium and Dupixent Pen.

Has Dr. Jocelyn R. Farmer received payments from drug or device companies?

CMS Open Payments shows $29,423 in general payments to Dr. Farmer from 6 companies from 2016 to 2024. The largest total came from Bristol-Myers Squibb Company.

How long has Dr. Jocelyn R. Farmer been practicing?

Dr. Farmer graduated from medical school in 2013, 13 years ago.

Does Dr. Jocelyn R. Farmer do research?

Dmand AI links 50 publications to Dr. Farmer, published from 2014 to 2025.

Who does Dr. Jocelyn R. Farmer publish with?

Dr. Farmer's most frequent co-authors are Jolan E. Walter, MD (13 shared papers), Daniel Digiacomo (11 shared papers) and Naoki Kaneko, MD (6 shared papers).

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