Dr. Forrest Marc Stewart, MD

  • Duarte, CA
  • Hematology (internal medicine) physician
NPI1750436788PAC ID8426960329
Medicare services, 2024
119
Medicare patients, 2024
25
Publications
102
MIPS score, 2024
93
Industry payments
$374
Practice address
1500 Duarte Rd, Duarte, CA 91010
Practice phone
Call (800) 826-4673
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

City of Hope Comprehensive Cancer Center - Duarte

Duarte, California

See all 4 affiliations

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Dr. Forrest Marc Stewart is a hematology (internal medicine) physician in Duarte, California

Dr. Stewart practices at City of Hope Comprehensive Cancer Center - Duarte in Duarte, California.

Dr. Stewart's NPI, 1750436788, was assigned on January 23, 2007. Dr. Stewart graduated from Indiana University School Of Medicine in 1977. Dr. Stewart holds California license C169125.

NPI and contact details
Medicare PAC ID
8426960329
NPI enumeration date
January 23, 2007
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(800) 826-4673
Professional email
Get email
Personal email
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Mobile number
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Sex
Male
Estimated age
75
Medical school graduation
1977

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

Dr. Forrest Marc Stewart practices at City of Hope Comprehensive Cancer Center - Duarte in Duarte, California

Dr. Stewart's primary practice is City of Hope Comprehensive Cancer Center - Duarte, at 1500 Duarte Rd, Duarte, CA 91010 in Los Angeles County. The practice phone is (800) 826-4673.

  • City of Hope Comprehensive Cancer Center - Duarte
    1500 Duarte Rd, Duarte, CA 91010 · Los Angeles CountyPhone(800) 826-4673

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

Dr. Forrest Marc Stewart is affiliated with 2 sites of care and 2 medical groups

Dr. Stewart's primary practice is City of Hope Comprehensive Cancer Center - Duarte in Duarte, California. The medical group on file is City of Hope. Dmand AI also links Dr. Stewart to 1 more other site and 1 medical group, each named with a free account.

See all 4 affiliations for Dr. Stewart

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. Forrest Marc Stewart's practice

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

EHR by site
SiteEHR vendor and product
City of Hope Comprehensive Cancer Center - DuarteAvailable with a free account
+1 more site and 1 medical groupAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Forrest Marc Stewart is one of 153 hematology (internal medicine) physicians in California

Internal medicine is Dr. Stewart's primary specialty in the NPI Registry, under taxonomy code 207RH0000X. The record also lists hematology. Dr. Stewart is board certified in hematology by the American Board of Internal Medicine. Dmand AI has Dr. Stewart's licenses on file in 4 states: California, Illinois, Washington and Connecticut.

Specialties and state licenses

  • Hematology (internal medicine), CaliforniaPrimaryLicense C169125 · 2020 to 2026 · taxonomy 207RH0000X
  • Illinois license2024 to 2026
  • Hematology and oncology, WashingtonLicense MD00039212 · 2000 to 2023 · taxonomy 207RH0003X
  • Connecticut license1994 to 1996

Hematology (internal medicine) physicians near Dr. Stewart

Counts of hematology (internal medicine) physicians 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. Forrest Marc Stewart billed Medicare for 119 services in 2024

CMS data shows 119 Medicare services from Dr. Stewart across 2 procedure codes in 2024, for 25 Medicare patients. Medicare paid $9,328 for them. Every service was in a facility, such as a hospital, rather than an office.

Medicare services, 2024119
Medicare patients25
Paid by Medicare$9,328
Procedure codes2

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

  • 2023
  • 2024
Office and hospital visits
2023: 1932024: 11938%

Dr. Stewart compared with the California median for hematology (internal medicine) physicians, 2024

  • Dr. Stewart
  • California median
Medicare services
119vs 37368% below
Medicare patients
25vs 10977% below

Medians across 139 hematology (internal medicine) physicians in California with Dmand AI profiles that report each measure.

Dr. Stewart'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. Stewart

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

Dr. Forrest Marc Stewart treated 25 Medicare patients in 2024, average age 70

CMS counts 25 Medicare patients who saw Dr. Stewart in 2024. 75% of them have high blood pressure, and 75% have high cholesterol. Their average risk score is 3.81, 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. Stewart's median patient age at 54, with 27% women.

Medicare patients, 202425
Average age70
Average risk score3.81

Dr. Stewart's Medicare patients by sex, 2024

  • Women1144%
  • Men1456%

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

  1. High blood pressure75%
  2. High cholesterol75%
  3. Anxiety56%
  4. Depression56%
  5. Mood disorders56%
  6. Ischemic heart disease52%
  7. Arthritis48%
  8. Chronic kidney disease48%

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

Dr. Stewart's patients across all payers

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

Patient panel by age, all payers

Median age 54

Patient panel by sex, all payers

  • Women27%
  • Men73%

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

Dr. Forrest Marc Stewart scored 93 out of 100 in Medicare's MIPS program for 2024

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 93 out of 100 for Dr. Stewart for performance year 2024, reported as part of a group. Dr. Stewart accepts Medicare assignment, so Medicare's approved amount is taken as full payment.

Accepts Medicare assignment
Yes

Dr. Stewart's MIPS scores, performance year 2024

  • 93of 100Final score
  • 78.5of 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

For MedTech and pharma teams

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Dr. Forrest Marc Stewart has 102 publications on record

Dmand AI links 102 papers to Dr. Stewart, published from 2010 to 2025. 2024 was the busiest year, with 5. The most frequent topics are Hematopoietic Stem Cell Transplantation, Bone Marrow Transplantation and Antineoplastic Combined Chemotherapy Protocols. Dr. Stewart has published most often in J Natl Compr Canc Netw. Dr. Stewart's most frequent co-authors are Guido Marcucci, MD, Haris Ali, MD and Shukaib Aaron Arslan, MD.

Papers102
Years published2010 to 2025

Dr. Stewart's papers by year, 2014 to 2025

Topics Dr. Stewart writes about most

  • Hematopoietic Stem Cell Transplantation
  • Bone Marrow Transplantation
  • Antineoplastic Combined Chemotherapy Protocols
  • Hematopoietic Stem Cells
  • Cyclophosphamide
  • Transplantation Conditioning
  • Whole-Body Irradiation
  • Bone Marrow

Dr. Stewart's most frequent co-authors

Recent publications by Dr. Stewart

See all 102 publications and co-authors

See who Dr. Stewart researches with

Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Stewart works with, so you can find a warm path to the right hematology (internal medicine) physicians.

How network discovery works

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

Dr. Forrest Marc Stewart received $374 in industry payments from 2017 to 2024

CMS Open Payments shows 4 general payments to Dr. Stewart from 2 drug and device companies from 2017 to 2024. Speaker and faculty fees make up the largest share, 53% of the total. Amgen Inc. paid the most, $347.

General payments to Dr. Stewart by program year, 2017 to 2024

General payments to Dr. Stewart by kind, 2017 to 2024

$374in total
  • Speaker and faculty fees$19853%
  • Travel and lodging$14940%
  • Food and beverage$277%

Companies that paid Dr. Stewart the most, 2017 to 2024

Share is of all general payments to this clinician.

See all payments to Dr. Stewart

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

Dr. Forrest Marc Stewart graduated from Indiana University School Of Medicine

Dr. Stewart graduated from Indiana University School Of Medicine in 1977.

  1. Medical schoolIndiana University School Of Medicine
  2. Board certified in hematologyAmerican Board of Internal Medicine
  3. Board certified in internal medicineAmerican Board of Internal Medicine
  4. Board certified in medical oncologyAmerican Board of Internal Medicine

Source: Dmand AI Professional Profile Data

Dr. Forrest Marc Stewart accepts plans from 17 insurance carriers

Dr. Stewart is in network with 17 carriers, including Aetna, Elevance and Blue Cross Blue Shield of Michigan. Medicare plans come from the most carriers, 9. Check the plan with the practice before a visit.

  • Aetna
  • Elevance
  • Blue Cross Blue Shield of Michigan
  • United Healthcare
  • HCSC
  • Blue Cross Blue Shield of Massachusetts
  • Regence Health Plans
  • AK State Medicaid
  • +9 more carriersWith a free account

Plan types Dr. Stewart accepts, by number of carriers

  1. Medicare9
  2. PPO9
  3. HMO7
  4. EPO4
  5. POS4
  6. Medicaid2

Source: Dmand AI Insurance Network Data

Sources for Dr. Forrest Marc Stewart'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)
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
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. Forrest Marc Stewart

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. Forrest Marc Stewart's NPI number?

Dr. Forrest Marc Stewart's NPI number is 1750436788. It was assigned on January 23, 2007, and it is active in the NPI Registry.

What kind of doctor is Dr. Forrest Marc Stewart?

Dr. Forrest Marc Stewart is a hematology (internal medicine) physician in Duarte, California. The primary specialty in the NPI Registry is Hematology (Internal Medicine) Physician (taxonomy code 207RH0000X).

Where does Dr. Forrest Marc Stewart practice?

Dr. Stewart practices at 1500 Duarte Rd, Duarte, CA 91010. Dr. Stewart's primary practice is City of Hope Comprehensive Cancer Center - Duarte in Duarte, California. Dmand AI also links Dr. Stewart to 1 other site and 1 medical group.

What is Dr. Forrest Marc Stewart's office phone number?

The practice phone on file for Dr. Stewart is (800) 826-4673.

What is Dr. Forrest Marc Stewart's medical license number?

Dr. Stewart holds California license C169125, one of the licenses on file in 4 states.

Which states has Dr. Forrest Marc Stewart been licensed in?

Dmand AI has state licenses on file for Dr. Stewart in California (2020 to 2026), Illinois (2024 to 2026), Washington (2000 to 2023) and Connecticut (1994 to 1996).

What medical group is Dr. Forrest Marc Stewart part of?

Dr. Stewart is linked to City of Hope. Dmand AI links Dr. Stewart to 1 more medical group.

Does Dr. Forrest Marc Stewart accept Medicare?

Yes. CMS data shows Dr. Stewart billed Medicare for 119 services in 2024, and Dr. Stewart accepts Medicare assignment.

What is Dr. Forrest Marc Stewart's MIPS score?

Dr. Stewart's MIPS final score for performance year 2024 is 93 out of 100, reported as part of a group.

How many Medicare patients does Dr. Forrest Marc Stewart see?

CMS counts 25 Medicare patients who saw Dr. Stewart in 2024, with an average age of 70.

Show 8 more questionsShow fewer questions

Is Dr. Forrest Marc Stewart board certified?

Yes. Dr. Stewart is board certified in hematology by the American Board of Internal Medicine.

What services does Dr. Forrest Marc Stewart bill to Medicare?

In 2024, Dr. Stewart's most billed Medicare services were hospital inpatient care (99232) and hospital inpatient care (99233).

Where did Dr. Forrest Marc Stewart go to medical school?

Dr. Stewart graduated from Indiana University School Of Medicine in 1977.

Has Dr. Forrest Marc Stewart received payments from drug or device companies?

CMS Open Payments shows $374 in general payments to Dr. Stewart from 2 companies from 2017 to 2024. The largest total came from Amgen Inc.

How long has Dr. Forrest Marc Stewart been practicing?

Dr. Stewart graduated from medical school in 1977, 49 years ago.

Does Dr. Forrest Marc Stewart do research?

Dmand AI links 102 publications to Dr. Stewart, published from 2010 to 2025.

Who does Dr. Forrest Marc Stewart publish with?

Dr. Stewart's most frequent co-authors are Guido Marcucci, MD (11 shared papers), Haris Ali, MD (10 shared papers) and Shukaib Aaron Arslan, MD (10 shared papers).

What insurance does Dr. Forrest Marc Stewart accept?

Dr. Stewart is in network with 17 carriers, including Aetna, Elevance and Blue Cross Blue Shield of Michigan. Medicare plans come from the most carriers, 9. Check the plan with the practice before a visit.

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