Dr. Joerg Rathmann, MD

  • Lebanon, NH
  • Hematologist and oncologist
NPI1568465532PAC ID5991726960
Medicare services, 2024
14
Medicare patients, 2024
34
Part D claims, 2024
35
Publications
3
Hospital affiliations
2
Practice address
1 Medical Center Drive, Lebanon, NH 03756
Practice phone
Call (603) 650-5000
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Dartmouth Hitchcock Medical Center

Hospital · Lebanon, New Hampshire

See all 9 affiliations

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Dr. Joerg Rathmann is a hematologist and oncologist in Lebanon, New Hampshire

Dr. Rathmann practices at Dartmouth Hitchcock Medical Center in Lebanon, New Hampshire, part of Dartmouth-Hitchcock Health.

Dr. Rathmann's NPI, 1568465532, was assigned on May 24, 2005. Dr. Rathmann holds New Hampshire license 10433.

NPI and contact details
Medicare PAC ID
5991726960
NPI enumeration date
May 24, 2005
NPI status
Active
Accepts Medicare assignment
Yes
Offers telehealth
Yes
Practice phone
(603) 650-5000
Professional email
Get email
Personal email
Get email
Mobile number
Get number
Sex
Male
Estimated age
63
Medical school graduation
1989

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)

Dr. Joerg Rathmann practices at Dartmouth Hitchcock Medical Center in Lebanon, New Hampshire

Dr. Rathmann's primary practice is Dartmouth Hitchcock Medical Center, at 1 Medical Center Drive, Lebanon, NH 03756 in Grafton County. The practice phone is (603) 650-5000.

Source: Dmand AI Affiliation Data

Dr. Joerg Rathmann is affiliated with 2 sites of care and 7 medical groups

Dr. Rathmann's primary practice is Dartmouth Hitchcock Medical Center in Lebanon, New Hampshire, part of Dartmouth-Hitchcock Health. Dr. Rathmann is also affiliated with Northeastern Vermont Regional Hospital. The medical group on file is Dartmouth Hitchcock Medical Center. Dmand AI also links Dr. Rathmann to 6 more medical groups, each named with a free account. Dr. Rathmann's employer is on file too: a hospital.

See all 9 affiliations for Dr. Rathmann

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

Dmand AI tracks the EHR system at Dr. Joerg Rathmann's practice

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

EHR by site
SiteEHR vendor and product
Dartmouth Hitchcock Medical CenterAvailable with a free account
+1 more site and 6 medical groupsAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Joerg Rathmann is one of 67 hematologists and oncologists in New Hampshire

Hematology and oncology is Dr. Rathmann's primary specialty in the NPI Registry, under taxonomy code 207RH0003X. Dmand AI has Dr. Rathmann's licenses on file in 2 states: New Hampshire and Connecticut.

Specialties and state licenses

  • Hematology and oncology, New HampshirePrimaryLicense 10433 · taxonomy 207RH0003X
  • Hematology (internal medicine), ConnecticutLicense 040849 · taxonomy 207RH0000X

Hematologists and oncologists near Dr. Rathmann

Counts of hematologists and oncologists 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. Joerg Rathmann billed Medicare for 14 services in 2024

CMS data shows 14 Medicare services from Dr. Rathmann across 1 procedure code in 2024, all of them office visits, for 34 Medicare patients. Medicare paid $1,056 for them. Every service was in a facility, such as a hospital, rather than an office.

Medicare services, 202414
Medicare patients34
Paid by Medicare$1,056
Procedure codes1

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

  • 2023
  • 2024
Office and hospital visits
2023: 922024: 1485%

Dr. Rathmann compared with the New Hampshire median for hematologists and oncologists, 2024

  • Dr. Rathmann
  • New Hampshire median
Medicare services
14vs 57698% below
Medicare patients
34vs 24386% below
Part D claims
60vs 21372% below

Medians across 65 hematologists and oncologists in New Hampshire with Dmand AI profiles that report each measure.

Dr. Rathmann'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. Rathmann

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

Dr. Joerg Rathmann treated 34 Medicare patients in 2024, average age 75

CMS counts 34 Medicare patients who saw Dr. Rathmann in 2024. The largest group is 65 to 74, with 20 patients. 56% of them have high blood pressure, and 53% have high cholesterol. Their average risk score is 1.61, 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. Rathmann's median patient age at 66, with 36% women.

Medicare patients, 202434
Average age75
Average risk score1.61

Dr. Rathmann's Medicare patients by age, 2024

CMS leaves out age groups with fewer than 11 patients.

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

  1. High blood pressure56%
  2. High cholesterol53%
  3. Cancer44%
  4. Arthritis35%
  5. Diabetes32%

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

Dr. Rathmann's patients across all payers

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

Patient panel by age, all payers

Median age 66

Patient panel by sex, all payers

  • Women36%
  • Men64%

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

Dr. Joerg Rathmann wrote 35 Medicare Part D claims in 2024

In 2024, Dr. Rathmann wrote 35 Medicare Part D claims for 13 patients. 94% of them were for generic drugs. They cover 4 drugs, with $2,393 in total drug cost. In 2022, CMS named 111 claims across 7 drugs.

Part D claims, 202435
Drugs named by CMS4
Total drug cost$2,393
Part D patients13

Dr. Rathmann's Part D claims by kind of drug, 2024

  • Generic33 claims94%
  • Brand-name and other2 claims6%

Dr. Rathmann's most prescribed drugs by claims, 2023

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 2023

  • 2022
  • 2023
Claims for drugs CMS names
2022: 1112023: 6046%

Drugs named by CMS: 4 in 2023, 7 in 2022.

See all prescribing by Dr. Rathmann

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. Joerg Rathmann offers telehealth to Medicare patients

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

Accepts Medicare assignment
Yes
Offers telehealth
Yes

Source: Doctors and Clinicians National Downloadable File (CMS)

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Dr. Joerg Rathmann has 3 publications on record

Dmand AI links 3 papers to Dr. Rathmann, published from 2020 to 2021. The most frequent topics are Diagnosis, Differential and Fatal Outcome. Dr. Rathmann's most frequent co-authors are Nausheen Ahmed, MD, Nerea Lopetegui-Lia, MD and Arish Noor.

Papers3
Years published2020 to 2021

Topics Dr. Rathmann writes about most

  • Diagnosis, Differential
  • Fatal Outcome

Dr. Rathmann's most frequent co-authors

Recent publications by Dr. Rathmann

See all 3 publications and co-authors

See who Dr. Rathmann researches with

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

How network discovery works

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

Dr. Joerg Rathmann received $14,082 in industry payments from 2016 to 2019

CMS Open Payments shows 42 general payments to Dr. Rathmann from 12 drug and device companies from 2016 to 2019. Consulting fees make up the largest share, 83% of the total. AstraZeneca Pharmaceuticals LP paid the most, $13,404.

General payments to Dr. Rathmann by program year, 2016 to 2019

General payments to Dr. Rathmann by kind, 2016 to 2019

$14.1Kin total
  • Consulting fees$11,65083%
  • Food and beverage$1,2339%
  • Travel and lodging$1,1878%
  • Education$120%

Companies that paid Dr. Rathmann the most, 2016 to 2019

Share is of all general payments to this clinician.

See all payments to Dr. Rathmann

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

Sources for Dr. Joerg Rathmann'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)
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. Joerg Rathmann

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. Joerg Rathmann's NPI number?

Dr. Joerg Rathmann's NPI number is 1568465532. It was assigned on May 24, 2005, and it is active in the NPI Registry.

What kind of doctor is Dr. Joerg Rathmann?

Dr. Joerg Rathmann is a hematologist and oncologist in Lebanon, New Hampshire. The primary specialty in the NPI Registry is Hematology & Oncology Physician (taxonomy code 207RH0003X).

Where does Dr. Joerg Rathmann practice?

Dr. Rathmann practices at 1 Medical Center Drive, Lebanon, NH 03756. Dr. Rathmann's primary practice is Dartmouth Hitchcock Medical Center in Lebanon, New Hampshire, part of Dartmouth-Hitchcock Health. Dmand AI also links Dr. Rathmann to 6 medical groups.

What is Dr. Joerg Rathmann's office phone number?

The practice phone on file for Dr. Rathmann is (603) 650-5000.

What is Dr. Joerg Rathmann's medical license number?

Dr. Rathmann holds New Hampshire license 10433, one of the licenses on file in 2 states.

Which states has Dr. Joerg Rathmann been licensed in?

Dmand AI has state licenses on file for Dr. Rathmann in New Hampshire and Connecticut.

Which hospitals is Dr. Joerg Rathmann affiliated with?

Dr. Rathmann practices at Dartmouth Hitchcock Medical Center in Lebanon, New Hampshire. Dr. Rathmann is also affiliated with Northeastern Vermont Regional Hospital.

What medical group is Dr. Joerg Rathmann part of?

Dr. Rathmann is linked to Dartmouth Hitchcock Medical Center. Dmand AI links Dr. Rathmann to 6 more medical groups.

Does Dr. Joerg Rathmann accept Medicare?

Yes. CMS data shows Dr. Rathmann billed Medicare for 14 services in 2024, and Dr. Rathmann accepts Medicare assignment.

Does Dr. Joerg Rathmann offer telehealth?

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

Show 7 more questionsShow fewer questions

How many Medicare patients does Dr. Joerg Rathmann see?

CMS counts 34 Medicare patients who saw Dr. Rathmann in 2024, with an average age of 75.

What services does Dr. Joerg Rathmann bill to Medicare?

In 2024, Dr. Rathmann's most billed Medicare services were office visit, established patient (99214).

What drugs does Dr. Joerg Rathmann prescribe most?

In 2023 Medicare Part D data, Dr. Rathmann's most prescribed drugs by claims were Letrozole, Potassium Chloride and Anastrozole.

Has Dr. Joerg Rathmann received payments from drug or device companies?

CMS Open Payments shows $14,082 in general payments to Dr. Rathmann from 12 companies from 2016 to 2019. The largest total came from AstraZeneca Pharmaceuticals LP.

How long has Dr. Joerg Rathmann been practicing?

Dr. Rathmann graduated from medical school in 1989, 37 years ago.

Does Dr. Joerg Rathmann do research?

Dmand AI links 3 publications to Dr. Rathmann, published from 2020 to 2021.

Who does Dr. Joerg Rathmann publish with?

Dr. Rathmann's most frequent co-authors are Nausheen Ahmed, MD (1 shared paper), Nerea Lopetegui-Lia, MD (1 shared paper) and Arish Noor (1 shared paper).

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