Dr. Steven M. Ludwin, MD
- Medicare services, 2024
- 405
- Medicare patients, 2024
- 135
- Part D claims, 2024
- 86
- MIPS score, 2024
- 100
- Hospital affiliations
- 2
- Practice address
- 450 Stanyan St, San Francisco, CA 94117
- Practice phone
- Call (415) 353-4739
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
UCSF St Mary's Hospital
San Francisco, California
Find Dr. Ludwin's professional email, personal email and mobile number
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Dr. Steven M. Ludwin is an internist in San Francisco, California
Dr. Ludwin practices at UCSF St Mary's Hospital in San Francisco, California.
Dr. Ludwin's NPI, 1013196609, was assigned on October 30, 2007. Dr. Ludwin graduated from Tulane University School of Medicine in 2007. Dr. Ludwin holds Pennsylvania license MT190809.
- NPI
- 1013196609NPI Registry (opens in a new tab)
- Medicare PAC ID
- 2769650324
- NPI enumeration date
- October 30, 2007
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (415) 353-4739
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 45
- Medical school graduation
- 2007
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Steven M. Ludwin practices at UCSF St Mary's Hospital in San Francisco, California
Dr. Ludwin's primary practice is UCSF St Mary's Hospital, at 450 Stanyan St, San Francisco, CA 94117 in San Francisco County. The practice phone is (415) 353-4739.
- UCSF St Mary's Hospital450 Stanyan St, San Francisco, CA 94117 · San Francisco CountyPhone(415) 353-4739
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Steven M. Ludwin is affiliated with 3 sites of care and 3 medical groups
Dr. Ludwin's primary practice is UCSF St Mary's Hospital in San Francisco, California. Dr. Ludwin is also affiliated with UCSF Helen Diller Medical Center at Parnassus Heights. The medical group on file is UCSF Pediatrics. Dmand AI also links Dr. Ludwin to 1 more hospital and 2 medical groups, each named with a free account.
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. Steven M. Ludwin's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Ludwin practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| UCSF St Mary's Hospital | Available with a free account |
| +2 more sites and 2 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Steven M. Ludwin is one of 16,751 internists in California
Internal medicine is Dr. Ludwin's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Ludwin is licensed in Pennsylvania.
Specialties and state licenses
- Internal medicine, PennsylvaniaPrimary
Internists near Dr. Ludwin
Counts of internists 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. Ludwin billed Medicare for 405 services in 2024
CMS data shows 405 Medicare services from Dr. Ludwin across 5 procedure codes in 2024, for 135 Medicare patients. Medicare paid $38,006 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Ludwin's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 2902024: 40540%
Dr. Ludwin compared with the California median for internists, 2024
- Dr. Ludwin
- California median
- Medicare services
- 405vs 36112% above
- Medicare patients
- 135vs 15111% below
Medians across 15,815 internists in California with Dmand AI profiles that report each measure.
Dr. Ludwin'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.
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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Steven M. Ludwin treated 135 Medicare patients in 2024, average age 76
CMS counts 135 Medicare patients who saw Dr. Ludwin in 2024. The largest group is 65 to 74, with 51 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 57% are also on Medicaid. Their average risk score is 2.90, 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. Ludwin's median patient age at 73, with 49% women.
Dr. Ludwin's Medicare patients by age, 2024
Dr. Ludwin's Medicare patients by sex, 2024
- Women6246%
- Men7354%
Chronic conditions among Dr. Ludwin's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis54%
- Diabetes54%
- Chronic kidney disease48%
- Ischemic heart disease44%
- Heart failure41%
- Mood disorders39%
Share of Medicare patients with each condition. A patient can have several.
Dr. Ludwin's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 73
Patient panel by sex, all payers
- Women49%
- Men39%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Steven M. Ludwin wrote 86 Medicare Part D claims in 2024
In 2024, Dr. Ludwin wrote 86 Medicare Part D claims for 29 patients. 88% of them were for generic drugs.
Dr. Ludwin's Part D claims by kind of drug, 2024
- Generic76 claims88%
- Brand-name and other10 claims12%
Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data
Dr. Steven M. Ludwin scored 100 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 100 out of 100 for Dr. Ludwin for performance year 2024, reported as part of a group. Dr. Ludwin accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Dr. Ludwin's MIPS scores, performance year 2024
- 100of 100Final score
- 95of 100Quality
- 40of 100Improvement Activities
- 81of 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
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Dr. Steven M. Ludwin graduated from Tulane University School of Medicine
Dr. Ludwin graduated from Tulane University School of Medicine in 2007.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Steven M. Ludwin'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 | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand 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 (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)Clinician Public Reporting: Overall MIPS Performance (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. Steven M. Ludwin
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. Ludwin's NPI number?
Dr. Steven M. Ludwin's NPI number is 1013196609. It was assigned on October 30, 2007, and it is active in the NPI Registry.
What kind of doctor is Dr. Steven M. Ludwin?
Dr. Steven M. Ludwin is an internist in San Francisco, California. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Steven M. Ludwin practice?
Dr. Ludwin practices at 450 Stanyan St, San Francisco, CA 94117. Dr. Ludwin's primary practice is UCSF St Mary's Hospital in San Francisco, California. Dmand AI also links Dr. Ludwin to 1 hospital and 2 medical groups.
What is Dr. Steven M. Ludwin's office phone number?
The practice phone on file for Dr. Ludwin is (415) 353-4739.
What is Dr. Steven M. Ludwin's medical license number?
Dr. Ludwin holds Pennsylvania license MT190809.
Which hospitals is Dr. Steven M. Ludwin affiliated with?
Dr. Ludwin is affiliated with UCSF Helen Diller Medical Center at Parnassus Heights. Dmand AI links Dr. Ludwin to 1 more hospital.
What medical group is Dr. Steven M. Ludwin part of?
Dr. Ludwin is linked to UCSF Pediatrics. Dmand AI links Dr. Ludwin to 2 more medical groups.
Does Dr. Steven M. Ludwin accept Medicare?
Yes. CMS data shows Dr. Ludwin billed Medicare for 405 services in 2024, and Dr. Ludwin accepts Medicare assignment.
What is Dr. Steven M. Ludwin's MIPS score?
Dr. Ludwin's MIPS final score for performance year 2024 is 100 out of 100, reported as part of a group.
How many Medicare patients does Dr. Steven M. Ludwin see?
CMS counts 135 Medicare patients who saw Dr. Ludwin in 2024, with an average age of 76.
Show 3 more questionsShow fewer questions
What services does Dr. Steven M. Ludwin bill to Medicare?
In 2024, Dr. Ludwin's most billed Medicare services were hospital inpatient care (99232), hospital inpatient care (99233) and hospital inpatient care (99239).
Where did Dr. Steven M. Ludwin go to medical school?
Dr. Ludwin graduated from Tulane University School of Medicine in 2007.
How long has Dr. Steven M. Ludwin been practicing?
Dr. Ludwin graduated from medical school in 2007, 19 years ago.
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