Dr. Karam C. Mounzer, MD

  • Philadelphia, PA
  • Infectious disease specialist
NPI1265571152
Medicare services, 2019
33
Part D claims, 2024
6,802
Publications
123
Clinical trials
8
Industry payments
$1M
Practice address
1233 Locust Street, 4th And 5th Floors, Philadelphia, PA 19107
Practice phone
Call (215) 790-1788
Professional email
Get professional email
Personal email
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Mobile number
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Social profiles

Primary practice

Jonathan Lax Treatment Center

FQHC - Main Site · Philadelphia, Pennsylvania

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Dr. Karam C. Mounzer is an infectious disease specialist in Philadelphia, Pennsylvania

Dr. Mounzer practices at Jonathan Lax Treatment Center in Philadelphia, Pennsylvania.

Dr. Mounzer's NPI, 1265571152, was assigned on February 6, 2007. Dr. Mounzer graduated from St Joseph's University Medical School in 1992. Dr. Mounzer holds Pennsylvania license MD055419L.

NPI and contact details
NPI enumeration date
February 6, 2007
NPI status
Active
Practice phone
(215) 790-1788
Professional email
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Personal email
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Mobile number
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Sex
Male
Medical school graduation
1992

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

Dr. Karam C. Mounzer practices at Jonathan Lax Treatment Center in Philadelphia, Pennsylvania

Dr. Mounzer's primary practice is Jonathan Lax Treatment Center, at 1233 Locust Street, 4th And 5th Floors, Philadelphia, PA 19107 in Philadelphia County. The practice phone is (215) 790-1788.

  • Jonathan Lax Treatment Center
    1233 Locust Street, 4th And 5th Floors, Philadelphia, PA 19107 · Philadelphia CountyPhone(215) 790-1788

Source: Dmand AI Affiliation Data

Dr. Karam C. Mounzer is affiliated with 5 sites of care and 1 medical group

Dr. Mounzer's primary practice is Jonathan Lax Treatment Center in Philadelphia, Pennsylvania. The medical group on file is Penn Medicine Lancaster General Health. Dmand AI also links Dr. Mounzer to 3 more community health centers and 1 group practice or clinic, each named with a free account.

See all 6 affiliations for Dr. Mounzer

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

Dmand AI tracks the EHR system at Dr. Karam C. Mounzer's practice

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

EHR by site
SiteEHR vendor and product
Jonathan Lax Treatment CenterAvailable with a free account
+4 more affiliated sitesAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Karam C. Mounzer is one of 455 infectious disease specialists in Pennsylvania

Infectious disease is Dr. Mounzer's primary specialty in the NPI Registry, under taxonomy code 207RI0200X. Dr. Mounzer is board certified in infectious disease by the American Board of Internal Medicine. Dmand AI has Dr. Mounzer's licenses on file in 3 states: Pennsylvania, New Jersey and Delaware.

Specialties and state licenses

  • Infectious disease, PennsylvaniaPrimaryLicense MD055419L · 1995 to 2026 · taxonomy 207RI0200X
  • New Jersey license1995 to 2005
  • Delaware license1997 to 2003

Clinical focus

Dmand AI lists chronic diabetes, chronic hypertension, cirrhosis of the liver, hiv/aids, insomnia, obesity and tobacco use among the conditions Dr. Mounzer treats.

Infectious disease specialists near Dr. Mounzer

Counts of infectious disease specialists 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. Karam C. Mounzer billed Medicare for 33 services in 2019

CMS data shows 33 Medicare services from Dr. Mounzer across 1 procedure code in 2019. Medicare paid $2,047 for them. Every service was in a facility, such as a hospital, rather than an office.

Medicare services, 201933
Paid by Medicare$2,047
Procedure codes1

Dr. Mounzer's Medicare services by type, 2017 to 2019

  • 2017
  • 2019
Office and hospital visits
2017: 572019: 3342%

Dr. Mounzer compared with the Pennsylvania median for infectious disease specialists, 2019

  • Dr. Mounzer
  • Pennsylvania median
Medicare services
33vs 30289% below
Part D claims
6,348vs 15042.3 times

Medians across 430 infectious disease specialists in Pennsylvania with Dmand AI profiles that report each measure.

Dr. Mounzer's most billed Medicare procedure codes, 2019

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. Mounzer

Need commercial claims for Dr. Mounzer?

Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Mounzer and other infectious disease specialists in Pennsylvania.

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

Dr. Karam C. Mounzer's patients have a median age of 63

Across all payers, Dmand AI patient panel data puts Dr. Mounzer's median patient age at 63, with 21% women.

Dr. Mounzer's patients across all payers

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

Patient panel by age, all payers

Median age 63

Patient panel by sex, all payers

  • Women21%
  • Men79%

Source: Dmand AI Patient Panel Data

Dr. Karam C. Mounzer wrote 6,802 Medicare Part D claims in 2024

In 2024, Dr. Mounzer wrote 6,802 Medicare Part D claims for 186 patients. 65% of them were for generic drugs. CMS names the drug for 6,348 of them, across 145 drugs with 11 or more claims each, at $5,513,790 in total drug cost. In 2023, CMS named 6,881 claims across 152 drugs.

Part D claims, 20246,802
Drugs named by CMS145
Total drug cost$5.5M
Part D patients186

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

  • Generic4,411 claims65%
  • Brand-name2,315 claims34%
  • Other76 claims1%

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

  • Opioids1%77 of 6,802 claims
  • Antibiotics1%86 of 6,802 claims
  • Antipsychotics, patients 65 and over0%20 of 6,802 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: 6,8812024: 6,3488%

Drugs named by CMS: 145 in 2024, 152 in 2023.

See all prescribing by Dr. Mounzer

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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Dr. Karam C. Mounzer has 123 publications on record

Dmand AI links 123 papers to Dr. Mounzer, published from 2004 to 2025. 2020 was the busiest year, with 13. The most frequent topics are HIV Infections, HIV-1 and Anti-HIV Agents. Dr. Mounzer has published most often in AIDS. Dr. Mounzer's most frequent co-authors are Jay R. Kostman, MD, Pablo M. Tebas, MD and Ricky K. Hsu, MD.

Papers123
Years published2004 to 2025

Dr. Mounzer's papers by year, 2015 to 2025

Topics Dr. Mounzer writes about most

  • HIV Infections
  • HIV-1
  • Anti-HIV Agents
  • Viral Load
  • CD4-Positive T-Lymphocytes
  • Anti-Retroviral Agents
  • Antiretroviral Therapy, Highly Active
  • CD4 Lymphocyte Count

Dr. Mounzer's most frequent co-authors

Recent publications by Dr. Mounzer

See all 123 publications and co-authors

See who Dr. Mounzer researches with

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

How network discovery works

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

Dr. Karam C. Mounzer has worked on 8 clinical trials

Dmand AI links Dr. Mounzer to 8 clinical trials, 4 of them phase 2 studies. Conditions studied include HIV Infections, Lentivirus Infections and Acquired Immunodeficiency Syndrome. The Wistar Institute sponsors the most, 3.

Clinical trials with Dr. Mounzer by phase

  1. 1Phase 1: 1 trial
  2. 4Phase 2: 4 trials
  3. 3Phase 3: 3 trials
  4. NonePhase 4: no trials

Conditions in Dr. Mounzer's trials

  • HIV Infections
  • Lentivirus Infections
  • Acquired Immunodeficiency Syndrome
  • Slow Virus Diseases

Investigators on the most trials with Dr. Mounzer

Recent clinical trials with Dr. Mounzer

See all 8 clinical trials and co-investigators

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

Dr. Karam C. Mounzer received $1,015,465 in industry payments from 2016 to 2025

CMS Open Payments shows 1,494 general payments to Dr. Mounzer from 15 drug and device companies from 2016 to 2025. Speaker and faculty fees make up the largest share, 65% of the total. Gilead Sciences, Inc. paid the most, $377,311. It also lists 13 research payments totaling $25,159 from 2016 to 2018.

General payments to Dr. Mounzer by program year, 2016 to 2025

General payments to Dr. Mounzer by kind, 2016 to 2025

$1Min total
  • Speaker and faculty fees$658,82165%
  • Consulting fees$250,05525%
  • Travel and lodging$61,4976%
  • Food and beverage$36,1444%
  • Other$8,9481%

Companies that paid Dr. Mounzer the most, 2016 to 2025

Share is of all general payments to this clinician.

See all payments to Dr. Mounzer

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

Dr. Karam C. Mounzer graduated from St Joseph's University Medical School

Dr. Mounzer graduated from St Joseph's University Medical School in 1992.

  1. Medical schoolSt Joseph's University Medical School
  2. Board certified in infectious diseaseAmerican Board of Internal Medicine
  3. Board certified in internal medicineAmerican Board of Internal Medicine

Source: Dmand AI Professional Profile Data

Dr. Karam C. Mounzer accepts plans from 14 insurance carriers

Dr. Mounzer is in network with 14 carriers, including Elevance, Aetna and Highmark. Medicare plans come from the most carriers, 11. Check the plan with the practice before a visit.

  • Elevance
  • Aetna
  • Highmark
  • United Healthcare
  • Cigna
  • Horizon Blue Cross Blue Shield of New Jersey
  • Blue Cross Blue Shield of Massachusetts
  • Blue Cross Blue Shield of Michigan
  • +6 more carriersWith a free account

Plan types Dr. Mounzer accepts, by number of carriers

  1. Medicare11
  2. PPO11
  3. HMO8
  4. EPO3
  5. POS3
  6. Medicaid2

Source: Dmand AI Insurance Network Data

Sources for Dr. Karam C. Mounzer'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 Data
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)
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)
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. Karam C. Mounzer

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. Karam C. Mounzer's NPI number?

Dr. Karam C. Mounzer's NPI number is 1265571152. It was assigned on February 6, 2007, and it is active in the NPI Registry.

What kind of doctor is Dr. Karam C. Mounzer?

Dr. Karam C. Mounzer is an infectious disease specialist in Philadelphia, Pennsylvania. The primary specialty in the NPI Registry is Infectious Disease Physician (taxonomy code 207RI0200X).

Where does Dr. Karam C. Mounzer practice?

Dr. Mounzer practices at 1233 Locust Street, 4th And 5th Floors, Philadelphia, PA 19107. Dr. Mounzer's primary practice is Jonathan Lax Treatment Center in Philadelphia, Pennsylvania. Dmand AI also links Dr. Mounzer to 3 community health centers and 1 group practice or clinic.

What is Dr. Karam C. Mounzer's office phone number?

The practice phone on file for Dr. Mounzer is (215) 790-1788.

What is Dr. Karam C. Mounzer's medical license number?

Dr. Mounzer holds Pennsylvania license MD055419L, one of the licenses on file in 3 states.

Which states has Dr. Karam C. Mounzer been licensed in?

Dmand AI has state licenses on file for Dr. Mounzer in Pennsylvania (1995 to 2026), New Jersey (1995 to 2005) and Delaware (1997 to 2003).

What medical group is Dr. Karam C. Mounzer part of?

Dr. Mounzer is linked to Penn Medicine Lancaster General Health.

Does Dr. Karam C. Mounzer accept Medicare?

Yes. CMS data shows Dr. Mounzer billed Medicare for 33 services in 2019.

Is Dr. Karam C. Mounzer board certified?

Yes. Dr. Mounzer is board certified in infectious disease by the American Board of Internal Medicine.

What services does Dr. Karam C. Mounzer bill to Medicare?

In 2019, Dr. Mounzer's most billed Medicare services were hospital inpatient care (99232).

Show 7 more questionsShow fewer questions

Where did Dr. Karam C. Mounzer go to medical school?

Dr. Mounzer graduated from St Joseph's University Medical School in 1992.

What drugs does Dr. Karam C. Mounzer prescribe most?

In 2024 Medicare Part D data, Dr. Mounzer's most prescribed drugs by claims were Biktarvy, Tivicay and Atorvastatin Calcium.

Has Dr. Karam C. Mounzer received payments from drug or device companies?

CMS Open Payments shows $1,015,465 in general payments to Dr. Mounzer from 15 companies from 2016 to 2025. The largest total came from Gilead Sciences, Inc.

How long has Dr. Karam C. Mounzer been practicing?

Dr. Mounzer graduated from medical school in 1992, 34 years ago.

Does Dr. Karam C. Mounzer do research?

Dmand AI links 123 publications to Dr. Mounzer, published from 2004 to 2025. Dr. Mounzer has worked on 8 clinical trials.

Who does Dr. Karam C. Mounzer publish with?

Dr. Mounzer's most frequent co-authors are Jay R. Kostman, MD (43 shared papers), Pablo M. Tebas, MD (19 shared papers) and Ricky K. Hsu, MD (10 shared papers).

What insurance does Dr. Karam C. Mounzer accept?

Dr. Mounzer is in network with 14 carriers, including Elevance, Aetna and Highmark. Medicare plans come from the most carriers, 11. Check the plan with the practice before a visit.

Selling to infectious disease practices?

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