Dr. Michael H. Tolwin, MD
- Medicare services, 2024
- 3,189
- Medicare patients, 2024
- 470
- Part D claims, 2024
- 3,632
- MIPS score, 2024
- 77
- Hospital affiliations
- 5
- Practice address
- 5000 Overland Ave, Culver City, CA 90230
- Practice phone
- Call (310) 280-9670
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Tolwin Psychiatric Medical Group Inc
Culver City, California
Find Dr. Tolwin'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. Michael H. Tolwin is a psychiatrist in Culver City, California
Dr. Tolwin practices at Tolwin Psychiatric Medical Group Inc in Culver City, California.
Dr. Tolwin's NPI, 1497797427, was assigned on June 12, 2006. Dr. Tolwin graduated from University of Wisconsin-Madison in 1981. Dr. Tolwin holds California license G48816.
- NPI
- 1497797427NPI Registry (opens in a new tab)
- Medicare PAC ID
- 3072543917
- NPI enumeration date
- June 12, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (310) 280-9670
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 71
- Medical school graduation
- 1981
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Michael H. Tolwin practices at Tolwin Psychiatric Medical Group Inc in Culver City, California
Dr. Tolwin's primary practice is Tolwin Psychiatric Medical Group Inc, at 5000 Overland Ave, Culver City, CA 90230 in Los Angeles County. The practice phone is (310) 280-9670.
- Tolwin Psychiatric Medical Group Inc5000 Overland Ave, Culver City, CA 90230 · Los Angeles CountyPhone(310) 280-9670
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Michael H. Tolwin is affiliated with 7 sites of care and 1 medical group
Dr. Tolwin's primary practice is Tolwin Psychiatric Medical Group Inc in Culver City, California. Dr. Tolwin is also affiliated with Southern California Hospital at Hollywood. The medical group on file is Tolwin Psychiatric Medical Group. Dmand AI also links Dr. Tolwin to 4 more hospitals and 1 group practice or clinic, each named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Michael H. Tolwin's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Tolwin practices, 6 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Tolwin Psychiatric Medical Group Inc | Available with a free account |
| +6 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Michael H. Tolwin is one of 6,803 psychiatrists in California
Psychiatry is Dr. Tolwin's primary specialty in the NPI Registry, under taxonomy code 2084P0800X. Dr. Tolwin is licensed in California.
Specialties and state licenses
- Psychiatry, CaliforniaPrimary
Clinical focus
Dmand AI lists anxiety, bipolar disorder, dementia, depression, psychological distress, psychoses, schizophrenia and substance abuse among the conditions Dr. Tolwin treats.
Psychiatrists near Dr. Tolwin
Counts of psychiatrists 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. Michael H. Tolwin billed Medicare for 3,189 services in 2024
CMS data shows 3,189 Medicare services from Dr. Tolwin across 10 procedure codes in 2024, for 470 Medicare patients. Medicare paid $210,824 for them.
Dr. Tolwin's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 2,6352024: 1,68936%
- Tests and treatments
- 2023: 2,4492024: 1,50039%
Where Dr. Tolwin's Medicare services took place, 2024
- In an office1424%
- In a facility3,04796%
Dr. Tolwin compared with the California median for psychiatrists, 2024
- Dr. Tolwin
- California median
- Medicare services
- 3,189vs 11926.8 times
- Medicare patients
- 470vs 4111.5 times
- Part D claims
- 3,445vs 14423.9 times
Medians across 6,809 psychiatrists in California with Dmand AI profiles that report each measure.
Dr. Tolwin'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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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Tolwin and other psychiatrists in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Michael H. Tolwin treated 470 Medicare patients in 2024, average age 60
CMS counts 470 Medicare patients who saw Dr. Tolwin in 2024. The largest group is under 65, with 260 patients. 75% of them have anxiety, and 75% have depression. 96% are also on Medicaid. Their average risk score is 2.32, 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. Tolwin's median patient age at 61, with 44% women.
Dr. Tolwin's Medicare patients by age, 2024
Dr. Tolwin's Medicare patients by sex, 2024
- Women18640%
- Men28460%
Chronic conditions among Dr. Tolwin's Medicare patients, 2024
- Anxiety75%
- Depression75%
- High blood pressure75%
- Mood disorders75%
- Schizophrenia and other psychoses75%
- High cholesterol70%
- Tobacco use70%
- Bipolar disorder68%
Share of Medicare patients with each condition. A patient can have several.
Dr. Tolwin's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 61
Patient panel by sex, all payers
- Women44%
- Men55%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Michael H. Tolwin wrote 3,632 Medicare Part D claims in 2024
In 2024, Dr. Tolwin wrote 3,632 Medicare Part D claims for 355 patients. 95% of them were for generic drugs. CMS names the drug for 3,445 of them, across 51 drugs with 11 or more claims each, at $389,044 in total drug cost. In 2023, CMS named 5,097 claims across 65 drugs.
Dr. Tolwin's Part D claims by kind of drug, 2024
- Generic3,435 claims95%
- Brand-name197 claims5%
Dr. Tolwin'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. Tolwin's Part D claims, 2024
- Antipsychotics, patients 65 and over25%924 of 3,632 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: 5,0972024: 3,44532%
Drugs named by CMS: 51 in 2024, 65 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
Dr. Michael H. Tolwin scored 77 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 77 out of 100 for Dr. Tolwin for performance year 2024, reported as part of a group. Dr. Tolwin accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Dr. Tolwin's MIPS scores, performance year 2024
- 77of 100Final score
- 53.3of 100Quality
- 40of 100Improvement Activities
- 53of 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. Michael H. Tolwin received $20,937 in industry payments from 2016 to 2025
CMS Open Payments shows 1,210 general payments to Dr. Tolwin from 23 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 100% of the total. Sunovion Pharmaceuticals Inc. paid the most, $2,921.
General payments to Dr. Tolwin by program year, 2016 to 2025
General payments to Dr. Tolwin by kind, 2016 to 2025
- Food and beverage$20,838100%
- Education$990%
Companies that paid Dr. Tolwin 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. Michael H. Tolwin graduated from University of Wisconsin-Madison
Dr. Tolwin graduated from University of Wisconsin-Madison in 1981.
- Medical school
Source: Dmand AI Professional Profile Data
Dr. Michael H. Tolwin accepts plans from 11 insurance carriers
Dr. Tolwin is in network with 11 carriers, including Elevance, Aetna and Blue Cross Blue Shield of Michigan. Medicare plans come from the most carriers, 9. Check the plan with the practice before a visit.
- Elevance
- Aetna
- Blue Cross Blue Shield of Michigan
- LA Care
- Blue Cross Blue Shield of Massachusetts
- HCSC
- Regence Health Plans
- CMS Medicare
- +3 more carriersWith a free account
Plan types Dr. Tolwin accepts, by number of carriers
- Medicare9
- HMO5
- PPO5
- POS3
- EPO1
- Medicaid1
Source: Dmand AI Insurance Network Data
Sources for Dr. Michael H. Tolwin'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 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)Clinician Public Reporting: Overall MIPS Performance (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. Michael H. Tolwin
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. Michael H. Tolwin's NPI number?
Dr. Michael H. Tolwin's NPI number is 1497797427. It was assigned on June 12, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Michael H. Tolwin?
Dr. Michael H. Tolwin is a psychiatrist in Culver City, California. The primary specialty in the NPI Registry is Psychiatry Physician (taxonomy code 2084P0800X).
Where does Dr. Michael H. Tolwin practice?
Dr. Tolwin practices at 5000 Overland Ave, Culver City, CA 90230. Dr. Tolwin's primary practice is Tolwin Psychiatric Medical Group Inc in Culver City, California. Dmand AI also links Dr. Tolwin to 4 hospitals and 1 group practice or clinic.
What is Dr. Michael H. Tolwin's office phone number?
The practice phone on file for Dr. Tolwin is (310) 280-9670.
What is Dr. Michael H. Tolwin's medical license number?
Dr. Tolwin holds California license G48816.
Which hospitals is Dr. Michael H. Tolwin affiliated with?
Dr. Tolwin is affiliated with Southern California Hospital at Hollywood. Dmand AI links Dr. Tolwin to 4 more hospitals.
What medical group is Dr. Michael H. Tolwin part of?
Dr. Tolwin is linked to Tolwin Psychiatric Medical Group.
Does Dr. Michael H. Tolwin accept Medicare?
Yes. CMS data shows Dr. Tolwin billed Medicare for 3,189 services in 2024, and Dr. Tolwin accepts Medicare assignment.
What is Dr. Michael H. Tolwin's MIPS score?
Dr. Tolwin's MIPS final score for performance year 2024 is 77 out of 100, reported as part of a group.
How many Medicare patients does Dr. Michael H. Tolwin see?
CMS counts 470 Medicare patients who saw Dr. Tolwin in 2024, with an average age of 60.
Show 6 more questionsShow fewer questions
What services does Dr. Michael H. Tolwin bill to Medicare?
In 2024, Dr. Tolwin's most billed Medicare services were psychiatric service (90833), hospital inpatient care (99232) and hospital inpatient care (99233).
Where did Dr. Michael H. Tolwin go to medical school?
Dr. Tolwin graduated from University of Wisconsin-Madison in 1981.
What drugs does Dr. Michael H. Tolwin prescribe most?
In 2024 Medicare Part D data, Dr. Tolwin's most prescribed drugs by claims were Quetiapine Fumarate, Clozapine and Olanzapine.
Has Dr. Michael H. Tolwin received payments from drug or device companies?
CMS Open Payments shows $20,937 in general payments to Dr. Tolwin from 23 companies from 2016 to 2025. The largest total came from Sunovion Pharmaceuticals Inc.
How long has Dr. Michael H. Tolwin been practicing?
Dr. Tolwin graduated from medical school in 1981, 45 years ago.
What insurance does Dr. Michael H. Tolwin accept?
Dr. Tolwin is in network with 11 carriers, including Elevance, Aetna 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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