Dr. Patrick Fleming, MD

  • Plainsboro, NJ
  • Hematologist and oncologist
NPI1538615794PAC ID1557690237
Medicare services, 2024
1,088
Medicare patients, 2024
229
Part D claims, 2024
269
Hospital affiliations
4
Industry payments
$235
Practice address
One-Five Plainsboro Road, Plainsboro, NJ 08536
Practice phone
Call (609) 853-6500
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Princeton Medical Center

Hospital · Plainsboro, New Jersey

See all 14 affiliations

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Dr. Patrick Fleming is a hematologist and oncologist in Plainsboro, New Jersey

Dr. Fleming practices at Princeton Medical Center in Plainsboro, New Jersey, part of University of Pennsylvania.

Dr. Fleming's NPI, 1538615794, was assigned on August 28, 2016. Dr. Fleming holds Pennsylvania license 25MA10612200.

NPI and contact details
Medicare PAC ID
1557690237
NPI enumeration date
August 28, 2016
NPI status
Active
Accepts Medicare assignment
Yes
Offers telehealth
Yes
Practice phone
(609) 853-6500
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. Patrick Fleming practices at 2 locations in Plainsboro, New Jersey

Dr. Fleming's primary practice is Princeton Medical Center, at One-Five Plainsboro Road, Plainsboro, NJ 08536 in Middlesex County. The practice phone is (609) 853-6500. Dr. Fleming also practices at Princeton Medical Center, 1 Plainsboro Rd, Plainsboro, NJ 08536.

  • Princeton Medical CenterPrimary
    One-Five Plainsboro Road, Plainsboro, NJ 08536 · Middlesex CountyPhone(609) 853-6500
  • Princeton Medical Center
    1 Plainsboro Rd, Plainsboro, NJ 08536 · Middlesex CountyPhone(609) 853-7000

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

Dr. Patrick Fleming is affiliated with 9 sites of care and 5 medical groups

Dr. Fleming's primary practice is Princeton Medical Center in Plainsboro, New Jersey, part of University of Pennsylvania. Dr. Fleming is also affiliated with Hospital of the University of Pennsylvania. The medical group on file is Penn Medicine Lancaster General Health. Dmand AI also links Dr. Fleming to 2 more hospitals, 4 group practices and clinics, 4 medical groups and 1 home health agency, each named with a free account.

See all 14 affiliations for Dr. Fleming

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

Dmand AI tracks the EHR system at Dr. Patrick Fleming's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Fleming practices, 9 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Princeton Medical CenterAvailable with a free account
+8 more sites and 4 medical groupsAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Patrick Fleming is one of 364 hematologists and oncologists in New Jersey

Hematology and oncology is Dr. Fleming's primary specialty in the NPI Registry, under taxonomy code 207RH0003X. Dr. Fleming is licensed in Pennsylvania.

Specialties and state licenses

  • Hematology and oncology, PennsylvaniaPrimaryLicense 25MA10612200 · taxonomy 207RH0003X

Hematologists and oncologists near Dr. Fleming

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. Patrick Fleming billed Medicare for 1,088 services in 2024

CMS data shows 1,088 Medicare services from Dr. Fleming across 9 procedure codes in 2024, for 229 Medicare patients. Medicare paid $71,277 for them.

Medicare services, 20241,088
Medicare patients229
Paid by Medicare$71,277
Procedure codes9

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

  • 2023
  • 2024
Office and hospital visits
2023: 982024: 557468%
Other services
2023: 02024: 184
Surgery
2023: 232024: 180683%
Lab and pathology
2023: 212024: 167695%

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

  • In an office90984%
  • In a facility17916%

Dr. Fleming compared with the New Jersey median for hematologists and oncologists, 2024

  • Dr. Fleming
  • New Jersey median
Medicare services
1,088vs 1,51528% below
Medicare patients
229vs 33732% below
Part D claims
106vs 37872% below

Medians across 349 hematologists and oncologists in New Jersey with Dmand AI profiles that report each measure.

Dr. Fleming'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. Fleming

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

Dr. Patrick Fleming treated 229 Medicare patients in 2024, average age 75

CMS counts 229 Medicare patients who saw Dr. Fleming in 2024. The largest group is 75 to 84, with 91 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 10% are also on Medicaid. Their average risk score is 1.80, 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. Fleming's median patient age at 68, with 57% women.

Medicare patients, 2024229
Average age75
Average risk score1.80
Also on Medicaid10%

Dr. Fleming's Medicare patients by age, 2024

Dr. Fleming's Medicare patients by sex, 2024

  • Women12655%
  • Men10345%

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

  1. High blood pressure75%
  2. High cholesterol75%
  3. Arthritis46%
  4. Cancer37%
  5. Ischemic heart disease37%
  6. Diabetes35%
  7. Chronic kidney disease33%
  8. Anxiety28%

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

Dr. Fleming's patients across all payers

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

Patient panel by age, all payers

Median age 68

Patient panel by sex, all payers

  • Women57%
  • Men41%

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

Dr. Patrick Fleming wrote 269 Medicare Part D claims in 2024

In 2024, Dr. Fleming wrote 269 Medicare Part D claims for 62 patients. 75% of them were for generic drugs. CMS names the drug for 106 of them, across 6 drugs with 11 or more claims each, at $18,884 in total drug cost. In 2021, CMS named 12 claims across 1 drug.

Part D claims, 2024269
Drugs named by CMS6
Total drug cost$18,884
Part D patients62

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

  • Generic201 claims75%
  • Brand-name and other68 claims25%

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

  • Opioids16%44 of 269 claims
  • Antibiotics4%11 of 269 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, 2021 to 2024

  • 2021
  • 2024
Claims for drugs CMS names
2021: 122024: 106783%

Drugs named by CMS: 6 in 2024, 1 in 2021.

See all prescribing by Dr. Fleming

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. Patrick Fleming offers telehealth to Medicare patients

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

Accepts Medicare assignment
Yes
Offers telehealth
Yes

Source: Doctors and Clinicians National Downloadable File (CMS)

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Dr. Patrick Fleming received $235 in industry payments from 2022 to 2024

CMS Open Payments shows 5 general payments to Dr. Fleming from 3 drug and device companies from 2022 to 2024. Education make up the largest share, 78% of the total. Abbvie Inc. paid the most, $116.

General payments to Dr. Fleming by program year, 2022 to 2024

General payments to Dr. Fleming by kind, 2022 to 2024

$235in total
  • Education$18378%
  • Food and beverage$5222%

Companies that paid Dr. Fleming the most, 2022 to 2024

Share is of all general payments to this clinician.

See all payments to Dr. Fleming

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

Sources for Dr. Patrick Fleming'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 Affiliation DataDmand AI Practice 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)
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. Patrick Fleming

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. Patrick Fleming's NPI number?

Dr. Patrick Fleming's NPI number is 1538615794. It was assigned on August 28, 2016, and it is active in the NPI Registry.

What kind of doctor is Dr. Patrick Fleming?

Dr. Patrick Fleming is a hematologist and oncologist in Plainsboro, New Jersey. The primary specialty in the NPI Registry is Hematology & Oncology Physician (taxonomy code 207RH0003X).

Where does Dr. Patrick Fleming practice?

Dr. Fleming practices at One-Five Plainsboro Road, Plainsboro, NJ 08536. Dr. Fleming also practices at 1 Plainsboro Rd, Plainsboro, NJ 08536. Dr. Fleming's primary practice is Princeton Medical Center in Plainsboro, New Jersey, part of University of Pennsylvania. Dmand AI also links Dr. Fleming to 2 hospitals, 4 group practices and clinics, 4 medical groups and 1 home health agency.

What is Dr. Patrick Fleming's office phone number?

The practice phone on file for Dr. Fleming is (609) 853-6500.

What is Dr. Patrick Fleming's medical license number?

Dr. Fleming holds Pennsylvania license 25MA10612200.

Which hospitals is Dr. Patrick Fleming affiliated with?

Dr. Fleming practices at Princeton Medical Center in Plainsboro, New Jersey. Dr. Fleming is also affiliated with Hospital of the University of Pennsylvania. Dmand AI links Dr. Fleming to 2 more hospitals.

What medical group is Dr. Patrick Fleming part of?

Dr. Fleming is linked to Penn Medicine Lancaster General Health. Dmand AI links Dr. Fleming to 4 more medical groups.

Does Dr. Patrick Fleming accept Medicare?

Yes. CMS data shows Dr. Fleming billed Medicare for 1,088 services in 2024, and Dr. Fleming accepts Medicare assignment.

Does Dr. Patrick Fleming offer telehealth?

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

How many Medicare patients does Dr. Patrick Fleming see?

CMS counts 229 Medicare patients who saw Dr. Fleming in 2024, with an average age of 75.

Show 4 more questionsShow fewer questions

What services does Dr. Patrick Fleming bill to Medicare?

In 2024, Dr. Fleming's most billed Medicare services were medicare service (G2211), surgery: heart and blood vessels (36415) and lab and pathology test (85025).

What drugs does Dr. Patrick Fleming prescribe most?

In 2024 Medicare Part D data, Dr. Fleming's most prescribed drugs by claims were Eliquis, Oxycodone HCl and Sodium Chloride.

Has Dr. Patrick Fleming received payments from drug or device companies?

CMS Open Payments shows $235 in general payments to Dr. Fleming from 3 companies from 2022 to 2024. The largest total came from Abbvie Inc.

How long has Dr. Patrick Fleming been practicing?

Dr. Fleming graduated from medical school in 2016, 10 years ago.

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