Dr. Richard Ambinder, MD

  • Baltimore, MD
  • Medical oncologist
NPI1528022407PAC ID9739371857
Medicare services, 2024
328
Medicare patients, 2024
133
Part D claims, 2024
159
Publications
288
Clinical trials
14
Practice address
600 N Wolfe St, Baltimore, MD 21287
Practice phone
Call (855) 662-3017
Professional email
Get professional email
Personal email
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Mobile number
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Social profiles

Primary practice

Johns Hopkins Hospital Nelson/Harvey Building

Baltimore, Maryland

See all 5 affiliations

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Dr. Richard Ambinder is a medical oncologist in Baltimore, Maryland

Dr. Ambinder practices at Johns Hopkins Hospital Nelson/Harvey Building in Baltimore, Maryland.

Dr. Ambinder's NPI, 1528022407, was assigned on April 17, 2006. Dr. Ambinder graduated from The Johns Hopkins University School of Medicine in 1979. Dr. Ambinder holds Maryland license D23887.

NPI and contact details
Medicare PAC ID
9739371857
NPI enumeration date
April 17, 2006
NPI status
Active
Offers telehealth
Yes
Practice phone
(855) 662-3017
Professional email
Get email
Personal email
Get email
Mobile number
Get number
Sex
Male
Estimated age
73
Medical school graduation
1979

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

Dr. Richard Ambinder practices at Johns Hopkins Hospital Nelson/Harvey Building in Baltimore, Maryland

Dr. Ambinder's primary practice is Johns Hopkins Hospital Nelson/Harvey Building, at 600 N Wolfe St, Baltimore, MD 21287 in Baltimore City. The practice phone is (855) 662-3017.

  • Johns Hopkins Hospital Nelson/Harvey Building
    600 N Wolfe St, Baltimore, MD 21287 · Baltimore CityPhone(855) 662-3017

Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data

Dr. Richard Ambinder is affiliated with 2 sites of care and 3 medical groups

Dr. Ambinder's primary practice is Johns Hopkins Hospital Nelson/Harvey Building in Baltimore, Maryland. Dr. Ambinder is also affiliated with The Johns Hopkins Hospital. The medical group on file is Johns Hopkins University. Dmand AI also links Dr. Ambinder to 2 more medical groups, each named with a free account.

See all 5 affiliations for Dr. Ambinder

Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data

Dmand AI tracks the EHR system at Dr. Richard Ambinder's practice

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

EHR by site
SiteEHR vendor and product
Johns Hopkins Hospital Nelson/Harvey BuildingAvailable 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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Dr. Richard Ambinder is one of 157 medical oncologists in Maryland

Medical oncology is Dr. Ambinder's primary specialty in the NPI Registry, under taxonomy code 207RX0202X. Dr. Ambinder is board certified in internal medicine by the American Board of Internal Medicine. Dmand AI has Dr. Ambinder's licenses on file in 4 states: Maryland, Virginia, Pennsylvania and Michigan.

Specialties and state licenses

  • Medical oncology, MarylandPrimaryLicense D23887 · 1979 to 2026 · taxonomy 207RX0202X
  • Virginia license2023 to 2026
  • Pennsylvania license2020 to 2022
  • Michigan license1980 to 1982

Clinical focus

Dmand AI lists chronic leukemia, colorectal cancer, lymphoma and multiple myeloma among the conditions Dr. Ambinder treats.

Medical oncologists near Dr. Ambinder

Counts of medical 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. Richard Ambinder billed Medicare for 328 services in 2024

CMS data shows 328 Medicare services from Dr. Ambinder across 5 procedure codes in 2024, for 133 Medicare patients. Medicare paid $23,282 for them. Every service was in a facility, such as a hospital, rather than an office.

Medicare services, 2024328
Medicare patients133
Paid by Medicare$23,282
Procedure codes5

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

  • 2023
  • 2024
Office and hospital visits
2023: 1972024: 2159%
Other services
2023: 02024: 113

Dr. Ambinder compared with the Maryland median for medical oncologists, 2024

  • Dr. Ambinder
  • Maryland median
Medicare services
328vs 42222% below
Medicare patients
133vs 1437% below
Part D claims
104vs 11812% below

Medians across 124 medical oncologists in Maryland with Dmand AI profiles that report each measure.

Dr. Ambinder'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. Ambinder

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

Dr. Richard Ambinder treated 133 Medicare patients in 2024, average age 73

CMS counts 133 Medicare patients who saw Dr. Ambinder in 2024. The largest group is 65 to 74, with 71 patients. 72% of them have high cholesterol, and 68% have high blood pressure. 11% are also on Medicaid. Their average risk score is 1.93, 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. Ambinder's median patient age at 72, with 40% women.

Medicare patients, 2024133
Average age73
Average risk score1.93
Also on Medicaid11%

Dr. Ambinder's Medicare patients by age, 2024

Dr. Ambinder's Medicare patients by sex, 2024

  • Women6247%
  • Men7153%

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

  1. High cholesterol72%
  2. High blood pressure68%
  3. Arthritis44%
  4. Ischemic heart disease32%
  5. Anxiety26%
  6. Chronic kidney disease26%
  7. Heart failure19%
  8. Mood disorders19%

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

Dr. Ambinder's patients across all payers

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

Patient panel by age, all payers

Median age 72

Patient panel by sex, all payers

  • Women40%
  • Men60%

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

Dr. Richard Ambinder wrote 159 Medicare Part D claims in 2024

In 2024, Dr. Ambinder wrote 159 Medicare Part D claims for 25 patients. 57% of them were for generic drugs. CMS names the drug for 104 of them, across 6 drugs with 11 or more claims each, at $908,495 in total drug cost. In 2023, CMS named 166 claims across 10 drugs.

Part D claims, 2024159
Drugs named by CMS6
Total drug cost$908,495
Part D patients25

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

  • Generic91 claims57%
  • Brand-name and other68 claims43%

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

  • Antibiotics9%15 of 159 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: 1662024: 10437%

Drugs named by CMS: 6 in 2024, 10 in 2023.

See all prescribing by Dr. Ambinder

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. Richard Ambinder scored 83 out of 100 in Medicare's MIPS program for 2024

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 83 out of 100 for Dr. Ambinder for performance year 2024, reported as part of a group. CMS lists Dr. Ambinder as offering telehealth.

Offers telehealth
Yes

Dr. Ambinder's MIPS scores, performance year 2024

  • 83of 100Final score
  • 73.9of 100Quality
  • 100of 100Promoting Interoperability
  • 40of 100Improvement Activities
  • 70of 100Cost

Each score is out of 100. The final score weighs the categories CMS scored for this clinician.

Sources: Doctors and Clinicians National Downloadable File (CMS); and Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026

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Dr. Richard Ambinder has 288 publications on record

Dmand AI links 288 papers to Dr. Ambinder, published from 2005 to 2025. 2017 was the busiest year, with 19. The most frequent topics are Herpesvirus 4, Human, Cyclophosphamide and Hodgkin Disease. Dr. Ambinder has published most often in Biol Blood Marrow Transplant. Dr. Ambinder's most frequent co-authors are Leonido Luznik, MD, Carol Ann Huff, MD and Robert A. Brodsky, MD.

Papers288
Years published2005 to 2025

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

Topics Dr. Ambinder writes about most

  • Herpesvirus 4, Human
  • Cyclophosphamide
  • Hodgkin Disease
  • Bone Marrow Transplantation
  • Graft vs Host Disease
  • Hematopoietic Stem Cell Transplantation
  • Transplantation Conditioning
  • Transplantation, Homologous

Dr. Ambinder's most frequent co-authors

Recent publications by Dr. Ambinder

See all 288 publications and co-authors

See who Dr. Ambinder researches with

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

How network discovery works

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

Dr. Richard Ambinder has worked on 14 clinical trials

Dmand AI links Dr. Ambinder to 14 clinical trials, 4 of them phase 1/2 studies. 3 are still active or recruiting. Conditions studied include Lymphoma, Primary Effusion, Sarcoma, Kaposi and Lymphoma. Sidney Kimmel Comprehensive Cancer Center at Johns Hopkins sponsors the most, 5.

Clinical trials with Dr. Ambinder by phase

  1. 1Early phase 1: 1 trial
  2. 2Phase 1: 2 trials
  3. 4Phase 1/2: 4 trials
  4. 4Phase 2: 4 trials
  5. 1Phase 3: 1 trial
  6. NonePhase 4: no trials

Conditions in Dr. Ambinder's trials

  • Lymphoma, Primary Effusion
  • Sarcoma, Kaposi
  • Lymphoma
  • Lymphoma, B-Cell
  • AIDS-related Kaposi sarcoma

Investigators on the most trials with Dr. Ambinder

Recent clinical trials with Dr. Ambinder

See all 14 clinical trials and co-investigators

Sources: Dmand AI Research Linkage; and ClinicalTrials.gov (National Library of Medicine)

Dr. Richard Ambinder received $1,500 in industry payments in 2017

CMS Open Payments shows 1 general payment to Dr. Ambinder from 1 drug or device company in 2017. Consulting fees make up the largest share, 100% of the total. Celgene Corporation paid the most, $1,500.

Companies that paid Dr. Ambinder the most, 2017 to 2017

Share is of all general payments to this clinician.

See all payments to Dr. Ambinder

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

Dr. Richard Ambinder has 7 awards and honors on record

Dmand AI lists 7 awards for Dr. Ambinder, most recently America's Top Doctors in 2014.

Awards and honors for Dr. Ambinder

  1. 2014
    • America's Top Doctors
    • CMS Stage 1 EHR
  2. 2013
    • America's Top Doctors for Cancer
  3. 2012
    • Top Doctors:Baltimore Area
    • Top Doctors:Washington-Baltimore
  4. 1999
    • ASCI Member
See all 7 awards

Source: Dmand AI Professional Profile Data

Dr. Richard Ambinder graduated from The Johns Hopkins University School of Medicine

Dr. Ambinder graduated from The Johns Hopkins University School of Medicine in 1979.

  1. Medical schoolThe Johns Hopkins University School of Medicine
  2. Board certified in internal medicineAmerican Board of Internal Medicine
  3. Board certified in medical oncologyAmerican Board of Internal Medicine

Source: Dmand AI Professional Profile Data

Dr. Richard Ambinder accepts plans from 8 insurance carriers

Dr. Ambinder is in network with 8 carriers, including Aetna, Elevance and Blue Cross Blue Shield of Michigan. HMO plans come from the most carriers, 5. Check the plan with the practice before a visit.

  • Aetna
  • Elevance
  • Blue Cross Blue Shield of Michigan
  • United Healthcare
  • CareFirst BlueCross BlueShield
  • Blue Cross and Blue Shield of Kansas City
  • CMS Medicare
  • DE State Medicaid

Plan types Dr. Ambinder accepts, by number of carriers

  1. HMO5
  2. Medicare4
  3. POS4
  4. PPO4
  5. EPO3
  6. Medicaid1

Source: Dmand AI Insurance Network Data

Sources for Dr. Richard Ambinder'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 phoneNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data
Primary practice, affiliations and health systemNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand 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)Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab)
Publications, topics and co-authorsPubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage
Clinical trials and co-investigatorsDmand AI Research LinkageClinicalTrials.gov (National Library of Medicine) (opens in a new tab)
Industry paymentsOpen Payments (CMS) (opens in a new tab)
Awards and committee rolesDmand AI Professional Profile Data
Training, board certification and membershipsDmand AI Professional Profile Data
Insurance carriers and plan typesDmand AI Insurance Network 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. Richard Ambinder

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. Richard Ambinder's NPI number?

Dr. Richard Ambinder's NPI number is 1528022407. It was assigned on April 17, 2006, and it is active in the NPI Registry.

What kind of doctor is Dr. Richard Ambinder?

Dr. Richard Ambinder is a medical oncologist in Baltimore, Maryland. The primary specialty in the NPI Registry is Medical Oncology Physician (taxonomy code 207RX0202X).

Where does Dr. Richard Ambinder practice?

Dr. Ambinder practices at 600 N Wolfe St, Baltimore, MD 21287. Dr. Ambinder's primary practice is Johns Hopkins Hospital Nelson/Harvey Building in Baltimore, Maryland. Dmand AI also links Dr. Ambinder to 2 medical groups.

What is Dr. Richard Ambinder's office phone number?

The practice phone on file for Dr. Ambinder is (855) 662-3017.

What is Dr. Richard Ambinder's medical license number?

Dr. Ambinder holds Maryland license D23887, one of the licenses on file in 4 states.

Which states has Dr. Richard Ambinder been licensed in?

Dmand AI has state licenses on file for Dr. Ambinder in Maryland (1979 to 2026), Virginia (2023 to 2026), Pennsylvania (2020 to 2022) and Michigan (1980 to 1982).

Which hospitals is Dr. Richard Ambinder affiliated with?

Dr. Ambinder is affiliated with The Johns Hopkins Hospital.

What medical group is Dr. Richard Ambinder part of?

Dr. Ambinder is linked to Johns Hopkins University. Dmand AI links Dr. Ambinder to 2 more medical groups.

Does Dr. Richard Ambinder accept Medicare?

Yes. CMS data shows Dr. Ambinder billed Medicare for 328 services in 2024.

Does Dr. Richard Ambinder offer telehealth?

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

Show 11 more questionsShow fewer questions

What is Dr. Richard Ambinder's MIPS score?

Dr. Ambinder's MIPS final score for performance year 2024 is 83 out of 100, reported as part of a group.

How many Medicare patients does Dr. Richard Ambinder see?

CMS counts 133 Medicare patients who saw Dr. Ambinder in 2024, with an average age of 73.

Is Dr. Richard Ambinder board certified?

Yes. Dr. Ambinder is board certified in internal medicine by the American Board of Internal Medicine.

What services does Dr. Richard Ambinder bill to Medicare?

In 2024, Dr. Ambinder's most billed Medicare services were office visit, established patient (99215), medicare service (G2211) and hospital inpatient care (99233).

Where did Dr. Richard Ambinder go to medical school?

Dr. Ambinder graduated from The Johns Hopkins University School of Medicine in 1979.

What drugs does Dr. Richard Ambinder prescribe most?

In 2024 Medicare Part D data, Dr. Ambinder's most prescribed drugs by claims were Brukinsa, Valacyclovir and Revlimid.

Has Dr. Richard Ambinder received payments from drug or device companies?

CMS Open Payments shows $1,500 in general payments to Dr. Ambinder from 1 company from 2017 to 2017. The largest total came from Celgene Corporation.

How long has Dr. Richard Ambinder been practicing?

Dr. Ambinder graduated from medical school in 1979, 47 years ago.

Does Dr. Richard Ambinder do research?

Dmand AI links 288 publications to Dr. Ambinder, published from 2005 to 2025. Dr. Ambinder has worked on 14 clinical trials.

Who does Dr. Richard Ambinder publish with?

Dr. Ambinder's most frequent co-authors are Leonido Luznik, MD (51 shared papers), Carol Ann Huff, MD (48 shared papers) and Robert A. Brodsky, MD (40 shared papers).

What insurance does Dr. Richard Ambinder accept?

Dr. Ambinder is in network with 8 carriers, including Aetna, Elevance and Blue Cross Blue Shield of Michigan. HMO plans come from the most carriers, 5. Check the plan with the practice before a visit.

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