Dr. Steven M. Hassid, MD
- Medicare services, 2024
- 542
- Medicare patients, 2024
- 400
- Part D claims, 2024
- 2,354
- Hospital affiliations
- 2
- Industry payments
- $771
- Practice address
- 222 W 39th Ave, San Mateo, CA 94403
- Practice phone
- Call (650) 573-2222
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Hassid's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Dr. Steven M. Hassid is a cardiologist in San Mateo, California
Dr. Hassid practices at San Mateo Medical Center in San Mateo, California, part of County of San Mateo, California.
Dr. Hassid's NPI, 1528132248, was assigned on November 17, 2006. Dr. Hassid graduated from Chicago Medical School at Rosalind Franklin University of Medicine and Science in 1985. Dr. Hassid holds California license G62622.
- NPI
- 1528132248NPI Registry (opens in a new tab)
- Medicare PAC ID
- 2860661881
- NPI enumeration date
- November 17, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (650) 573-2222
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 67
- Medical school graduation
- 1985
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Steven M. Hassid practices at San Mateo Medical Center in San Mateo, California
Dr. Hassid's primary practice is San Mateo Medical Center, at 222 W 39th Ave, San Mateo, CA 94403 in San Mateo County. The practice phone is (650) 573-2222.
- San Mateo Medical Center222 W 39th Ave, San Mateo, CA 94403 · San Mateo CountyPhone(650) 573-2222
Source: Dmand AI Affiliation Data
Dr. Steven M. Hassid is affiliated with 3 sites of care and 1 medical group
Dr. Hassid's primary practice is San Mateo Medical Center in San Mateo, California, part of County of San Mateo, California. Dr. Hassid is also affiliated with Mills-Peninsula Medical Center. The medical group on file is San Mateo Medical Center. Dmand AI also links Dr. Hassid to 1 more skilled nursing facility, named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Steven M. Hassid's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Hassid practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| San Mateo Medical Center | Available with a free account |
| +2 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
Dmand AI maps EHR vendors, IT decision makers and buying committees across County of San Mateo, California and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Steven M. Hassid is one of 2,375 cardiologists in California
Cardiovascular disease is Dr. Hassid's primary specialty in the NPI Registry, under taxonomy code 207RC0000X. Dr. Hassid is board certified in cardiovascular disease by the American Board of Internal Medicine. Dr. Hassid is licensed in California.
Specialties and state licenses
- Cardiovascular disease, CaliforniaPrimary
Clinical focus
Dmand AI lists aneurysm, atrial fibrillation and flutter, cardiomyopathy, chronic hypertension, coronary artery disease, heart blockage, heart failure and heart valve disorders among the conditions Dr. Hassid treats.
Cardiologists near Dr. Hassid
Counts of cardiologists 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. Steven M. Hassid billed Medicare for 542 services in 2024
CMS data shows 542 Medicare services from Dr. Hassid across 4 procedure codes in 2024, for 400 Medicare patients. Medicare paid $13,377 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Hassid's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Tests and treatments
- 2023: 4262024: 49516%
- Office and hospital visits
- 2023: 662024: 4729%
Dr. Hassid compared with the California median for cardiologists, 2024
- Dr. Hassid
- California median
- Medicare services
- 542vs 1,56065% below
- Medicare patients
- 400vs 64438% below
- Part D claims
- 2,181vs 1,41055% above
Medians across 2,237 cardiologists in California with Dmand AI profiles that report each measure.
Dr. Hassid'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.
Need commercial claims for Dr. Hassid?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Hassid and other cardiologists in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Steven M. Hassid treated 400 Medicare patients in 2024, average age 70
CMS counts 400 Medicare patients who saw Dr. Hassid in 2024. The largest group is 65 to 74, with 206 patients. 75% of them have high blood pressure, and 65% have high cholesterol. 85% are also on Medicaid. Their average risk score is 1.47, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Hassid's median patient age at 57, with 53% women.
Dr. Hassid's Medicare patients by age, 2024
Dr. Hassid's Medicare patients by sex, 2024
- Women21253%
- Men18847%
Chronic conditions among Dr. Hassid's Medicare patients, 2024
- High blood pressure75%
- High cholesterol65%
- Diabetes40%
- Ischemic heart disease29%
- Arthritis27%
- Mood disorders25%
- Chronic kidney disease24%
- Heart failure23%
Share of Medicare patients with each condition. A patient can have several.
Dr. Hassid's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 57
Patient panel by sex, all payers
- Women53%
- Men46%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Steven M. Hassid wrote 2,354 Medicare Part D claims in 2024
In 2024, Dr. Hassid wrote 2,354 Medicare Part D claims for 220 patients. 82% of them were for generic drugs. CMS names the drug for 2,181 of them, across 35 drugs with 11 or more claims each, at $442,239 in total drug cost. In 2023, CMS named 1,846 claims across 32 drugs.
Dr. Hassid's Part D claims by kind of drug, 2024
- Generic1,925 claims82%
- Brand-name and other429 claims18%
Dr. Hassid'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.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 1,8462024: 2,18118%
Drugs named by CMS: 35 in 2024, 32 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. Steven M. Hassid takes part in Medicare
Dr. Hassid 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. Steven M. Hassid received $771 in industry payments from 2016 to 2025
CMS Open Payments shows 20 general payments to Dr. Hassid from 8 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 99% of the total. Janssen Pharmaceuticals, Inc paid the most, $354.
General payments to Dr. Hassid by program year, 2016 to 2025
General payments to Dr. Hassid by kind, 2016 to 2025
- Food and beverage$76499%
- Education$71%
Companies that paid Dr. Hassid 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. Steven M. Hassid graduated from Chicago Medical School at Rosalind Franklin University of Medicine and Science
Dr. Hassid graduated from Chicago Medical School at Rosalind Franklin University of Medicine and Science in 1985.
- Medical school
- Board certified in cardiovascular disease
- Board certified in internal medicine
Source: Dmand AI Professional Profile Data
Dr. Steven M. Hassid accepts plans from 2 insurance carriers
Dr. Hassid is in network with 2 carriers, including Blue Cross Blue Shield of Michigan and CMS Medicare. HMO plans come from the most carriers, 1. Check the plan with the practice before a visit.
- Blue Cross Blue Shield of Michigan
- CMS Medicare
Plan types Dr. Hassid accepts, by number of carriers
- HMO1
- Medicare1
- POS1
- PPO1
Source: Dmand AI Insurance Network Data
Sources for Dr. Steven M. Hassid'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 |
| Insurance carriers and plan types | Dmand AI Insurance Network 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. Steven M. Hassid
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. Steven M. Hassid's NPI number?
Dr. Steven M. Hassid's NPI number is 1528132248. It was assigned on November 17, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Steven M. Hassid?
Dr. Steven M. Hassid is a cardiologist in San Mateo, California. The primary specialty in the NPI Registry is Cardiovascular Disease Physician (taxonomy code 207RC0000X).
Where does Dr. Steven M. Hassid practice?
Dr. Hassid practices at 222 W 39th Ave, San Mateo, CA 94403. Dr. Hassid's primary practice is San Mateo Medical Center in San Mateo, California, part of County of San Mateo, California. Dmand AI also links Dr. Hassid to 1 skilled nursing facility.
What is Dr. Steven M. Hassid's office phone number?
The practice phone on file for Dr. Hassid is (650) 573-2222.
What is Dr. Steven M. Hassid's medical license number?
Dr. Hassid holds California license G62622.
Which hospitals is Dr. Steven M. Hassid affiliated with?
Dr. Hassid practices at San Mateo Medical Center in San Mateo, California. Dr. Hassid is also affiliated with Mills-Peninsula Medical Center.
What medical group is Dr. Steven M. Hassid part of?
Dr. Hassid is linked to San Mateo Medical Center.
Does Dr. Steven M. Hassid accept Medicare?
Yes. CMS data shows Dr. Hassid billed Medicare for 542 services in 2024, and Dr. Hassid accepts Medicare assignment.
How many Medicare patients does Dr. Steven M. Hassid see?
CMS counts 400 Medicare patients who saw Dr. Hassid in 2024, with an average age of 70.
Is Dr. Steven M. Hassid board certified?
Yes. Dr. Hassid is board certified in cardiovascular disease by the American Board of Internal Medicine.
Show 6 more questionsShow fewer questions
What services does Dr. Steven M. Hassid bill to Medicare?
In 2024, Dr. Hassid's most billed Medicare services were heart test or procedure (93010), heart test or procedure (93306) and hospital inpatient care (99232).
Where did Dr. Steven M. Hassid go to medical school?
Dr. Hassid graduated from Chicago Medical School at Rosalind Franklin University of Medicine and Science in 1985.
What drugs does Dr. Steven M. Hassid prescribe most?
In 2024 Medicare Part D data, Dr. Hassid's most prescribed drugs by claims were Atorvastatin Calcium, Jardiance and Metoprolol Succinate.
Has Dr. Steven M. Hassid received payments from drug or device companies?
CMS Open Payments shows $771 in general payments to Dr. Hassid from 8 companies from 2016 to 2025. The largest total came from Janssen Pharmaceuticals, Inc.
How long has Dr. Steven M. Hassid been practicing?
Dr. Hassid graduated from medical school in 1985, 41 years ago.
What insurance does Dr. Steven M. Hassid accept?
Dr. Hassid is in network with 2 carriers, including Blue Cross Blue Shield of Michigan and CMS Medicare. HMO plans come from the most carriers, 1. Check the plan with the practice before a visit.
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