Dr. Howard J. Marcus, MD
- Medicare services, 2023
- 110
- Medicare patients, 2024
- 12
- Part D claims, 2024
- 111
- Hospital affiliations
- 3
- Industry payments
- $3,869
- Practice address
- 901 Macarthur Blvd, Munster, IN 46321
- Practice phone
- Call (219) 836-1600
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Marcus' professional email, personal email and mobile number
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Dr. Howard J. Marcus is an OB-GYN in Munster, Indiana
Dr. Marcus practices at Community Hospital in Munster, Indiana, part of Community Healthcare System.
Dr. Marcus' NPI, 1972585842, was assigned on November 16, 2005. Dr. Marcus graduated from R Franklin University of Med & Sci/Chicago Medical School in 1991. Dr. Marcus holds Indiana license 01044090A.
- NPI
- 1972585842NPI Registry (opens in a new tab)
- Medicare PAC ID
- 7810973716
- NPI enumeration date
- November 16, 2005
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (219) 836-1600
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 61
- Medical school graduation
- 1991
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Howard J. Marcus practices at Community Hospital in Munster, Indiana
Dr. Marcus' primary practice is Community Hospital, at 901 Macarthur Blvd, Munster, IN 46321 in Lake County. The practice phone is (219) 836-1600.
- Community Hospital901 Macarthur Blvd, Munster, IN 46321 · Lake CountyPhone(219) 836-1600
Source: Dmand AI Affiliation Data
Dr. Howard J. Marcus is affiliated with 5 sites of care and 2 medical groups
Dr. Marcus' primary practice is Community Hospital in Munster, Indiana, part of Community Healthcare System. Dr. Marcus is also affiliated with St. Mary Medical Center. The medical group on file is Powers Health Medical Group. Dmand AI also links Dr. Marcus to 1 more hospital, 1 physician office, 1 group practice or clinic and 1 medical group, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Howard J. Marcus' practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Marcus practices, 5 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Community Hospital | Available with a free account |
| +4 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Howard J. Marcus is one of 741 OB-GYNs in Indiana
Obstetrics and gynecology is Dr. Marcus' primary specialty in the NPI Registry, under taxonomy code 207V00000X. Dr. Marcus is licensed in Indiana.
Specialties and state licenses
- Obstetrics and gynecology, IndianaPrimary
OB-GYNs near Dr. Marcus
Counts of OB-GYNs 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. Howard J. Marcus billed Medicare for 110 services in 2023
CMS data shows 110 Medicare services from Dr. Marcus across 3 procedure codes in 2023, for 12 Medicare patients. Medicare paid $6,390 for them. Every service was in an office.
Dr. Marcus' Medicare services by type, 2022 to 2023
- 2022
- 2023
- Office and hospital visits
- 2022: 312023: 80158%
- Other services
- 2022: 392023: 3023%
Dr. Marcus compared with the Indiana median for OB-GYNs, 2023
- Dr. Marcus
- Indiana median
- Medicare services
- 110vs 412.7 times
- Medicare patients
- 12vs 3465% below
- Part D claims
- 35vs 35Close to median
Medians across 674 OB-GYNs in Indiana with Dmand AI profiles that report each measure.
Dr. Marcus' most billed Medicare procedure codes, 2023
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Marcus and other OB-GYNs in Indiana.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Howard J. Marcus treated 12 Medicare patients in 2024, average age 64
CMS counts 12 Medicare patients who saw Dr. Marcus in 2024. 75% of them have high blood pressure. Their average risk score is 1.02, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Marcus' median patient age at 47, with 100% women.
Chronic conditions among Dr. Marcus' Medicare patients, 2024
- High blood pressure75%
Share of Medicare patients with each condition. A patient can have several.
Dr. Marcus' patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 47
Patient panel by sex, all payers
- Women100%
- Men0%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Howard J. Marcus wrote 111 Medicare Part D claims in 2024
In 2024, Dr. Marcus wrote 111 Medicare Part D claims for 47 patients. 84% of them were for generic drugs. CMS names the drug for 35 of them, across 2 drugs with 11 or more claims each, at $420 in total drug cost. In 2023, CMS named 40 claims across 3 drugs.
Dr. Marcus' Part D claims by kind of drug, 2024
- Generic93 claims84%
- Brand-name18 claims16%
Dr. Marcus' 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.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 402024: 3513%
Drugs named by CMS: 2 in 2024, 3 in 2023.
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
How Dr. Howard J. Marcus takes part in Medicare
Dr. Marcus accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. Howard J. Marcus received $3,869 in industry payments from 2016 to 2025
CMS Open Payments shows 105 general payments to Dr. Marcus from 31 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 58% of the total. Intuitive Surgical, Inc. paid the most, $2,152.
General payments to Dr. Marcus by program year, 2016 to 2025
General payments to Dr. Marcus by kind, 2016 to 2025
- Food and beverage$2,23558%
- Travel and lodging$1,58741%
- Education$471%
Companies that paid Dr. Marcus the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Howard J. Marcus graduated from R Franklin University of Med & Sci/Chicago Medical School
Dr. Marcus graduated from R Franklin University of Med & Sci/Chicago Medical School in 1991.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Howard J. Marcus's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare 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 percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Howard J. Marcus
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. Howard J. Marcus' NPI number?
Dr. Howard J. Marcus' NPI number is 1972585842. It was assigned on November 16, 2005, and it is active in the NPI Registry.
What kind of doctor is Dr. Howard J. Marcus?
Dr. Howard J. Marcus is an OB-GYN in Munster, Indiana. The primary specialty in the NPI Registry is Obstetrics & Gynecology Physician (taxonomy code 207V00000X).
Where does Dr. Howard J. Marcus practice?
Dr. Marcus practices at 901 Macarthur Blvd, Munster, IN 46321. Dr. Marcus' primary practice is Community Hospital in Munster, Indiana, part of Community Healthcare System. Dmand AI also links Dr. Marcus to 1 hospital, 1 physician office, 1 group practice or clinic and 1 medical group.
What is Dr. Howard J. Marcus' office phone number?
The practice phone on file for Dr. Marcus is (219) 836-1600.
What is Dr. Howard J. Marcus' medical license number?
Dr. Marcus holds Indiana license 01044090A.
Which hospitals is Dr. Howard J. Marcus affiliated with?
Dr. Marcus practices at Community Hospital in Munster, Indiana. Dr. Marcus is also affiliated with St. Mary Medical Center. Dmand AI links Dr. Marcus to 1 more hospital.
What medical group is Dr. Howard J. Marcus part of?
Dr. Marcus is linked to Powers Health Medical Group. Dmand AI links Dr. Marcus to 1 more medical group.
Does Dr. Howard J. Marcus accept Medicare?
Yes. CMS data shows Dr. Marcus billed Medicare for 110 services in 2023, and Dr. Marcus accepts Medicare assignment.
How many Medicare patients does Dr. Howard J. Marcus see?
CMS counts 12 Medicare patients who saw Dr. Marcus in 2024, with an average age of 64.
What services does Dr. Howard J. Marcus bill to Medicare?
In 2023, Dr. Marcus' most billed Medicare services were office visit, established patient (99213), medicare service (G0101) and office visit, new patient (99204).
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Where did Dr. Howard J. Marcus go to medical school?
Dr. Marcus graduated from R Franklin University of Med & Sci/Chicago Medical School in 1991.
What drugs does Dr. Howard J. Marcus prescribe most?
In 2024 Medicare Part D data, Dr. Marcus' most prescribed drugs by claims were Betamethasone Valerate and Fluconazole.
Has Dr. Howard J. Marcus received payments from drug or device companies?
CMS Open Payments shows $3,869 in general payments to Dr. Marcus from 31 companies from 2016 to 2025. The largest total came from Intuitive Surgical, Inc.
How long has Dr. Howard J. Marcus been practicing?
Dr. Marcus graduated from medical school in 1991, 35 years ago.
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