Dr. Martin S. Fischer, MD
- Medicare services, 2023
- 194
- Part D claims, 2024
- 43
- Publications
- 5
- Industry payments
- $24
- Affiliated sites
- 1
- Practice address
- 4669 Arriba Dr, Tarzana, CA 91356
- Practice phone
- Call (818) 705-3635
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Martin S Fischer A Medical Corporation
Physician office · Tarzana, California
Find Dr. Fischer'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. Martin S. Fischer is a psychiatrist in Tarzana, California
Dr. Fischer practices at Martin S Fischer A Medical Corporation in Tarzana, California.
Dr. Fischer's NPI, 1801892799, was assigned on June 24, 2005. Dr. Fischer graduated from New York Medical College in 1957. Dr. Fischer's California license number on file is G6783.
- NPI
- 1801892799NPI Registry (opens in a new tab)
- NPI enumeration date
- June 24, 2005
- NPI status
- Active
- Practice phone
- (818) 705-3635
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 95
- Medical school graduation
- 1957
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data
Dr. Martin S. Fischer practices at Martin S Fischer A Medical Corporation in Tarzana, California
Dr. Fischer's primary practice is Martin S Fischer A Medical Corporation, at 4669 Arriba Dr, Tarzana, CA 91356. The practice phone is (818) 705-3635.
- Martin S Fischer A Medical Corporation4669 Arriba Dr, Tarzana, CA 91356Phone(818) 705-3635
Source: Dmand AI Affiliation Data
Dr. Martin S. Fischer is affiliated with 1 site of care
Dr. Fischer's primary practice is Martin S Fischer A Medical Corporation in Tarzana, California.
Source: Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Martin S. Fischer's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Fischer practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Martin S Fischer A Medical Corporation | 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 each health system and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Martin S. Fischer is one of 6,803 psychiatrists in California
Psychiatry is Dr. Fischer's primary specialty in the NPI Registry, under taxonomy code 2084P0800X. Dr. Fischer has a license on file in California.
Specialties and state licenses
- Psychiatry, CaliforniaPrimary
Clinical focus
Dmand AI lists anxiety, bipolar disorder, depression and schizophrenia among the conditions Dr. Fischer treats.
Psychiatrists near Dr. Fischer
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. Martin S. Fischer billed Medicare for 194 services in 2023
CMS data shows 194 Medicare services from Dr. Fischer across 2 procedure codes in 2023. Medicare paid $9,070 for them. Every service was in an office.
Dr. Fischer's Medicare services by type, 2022 to 2023
- 2022
- 2023
- Office and hospital visits
- 2022: 6652023: 10185%
- Tests and treatments
- 2022: 8132023: 9389%
Dr. Fischer compared with the California median for psychiatrists, 2023
- Dr. Fischer
- California median
- Medicare services
- 194vs 11963% above
- Part D claims
- 12vs 14492% below
Medians across 6,809 psychiatrists in California with Dmand AI profiles that report each measure.
Dr. Fischer's 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.
Need commercial claims for Dr. Fischer?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Fischer and other psychiatrists in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Martin S. Fischer's patients have a median age of 65
Across all payers, Dmand AI patient panel data puts Dr. Fischer's median patient age at 65, with 50% women.
Dr. Fischer's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 65
Patient panel by sex, all payers
- Women50%
- Men50%
Source: Dmand AI Patient Panel Data
Dr. Martin S. Fischer wrote 43 Medicare Part D claims in 2024
In 2024, Dr. Fischer wrote 43 Medicare Part D claims. 100% of them were for generic drugs. CMS names the drug for 12 of them, across 1 drug with 11 or more claims each, at $22 in total drug cost. In 2023, CMS named 789 claims across 22 drugs.
Dr. Fischer'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: 7892024: 1298%
Drugs named by CMS: 1 in 2024, 22 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
For MedTech and pharma teams
Filter 7.4M+ HCPs by Medicare procedures, Part D drugs and Open Payments history, then reach them with verified contacts in one login.
Dr. Martin S. Fischer has 5 publications on record
Dmand AI links 5 papers to Dr. Fischer, published from 2009 to 2019. The most frequent topics are Hindlimb, Biological Evolution and Biomechanical Phenomena.
Dr. Fischer's papers by year, 2009 to 2019
Topics Dr. Fischer writes about most
- Hindlimb
- Biological Evolution
- Biomechanical Phenomena
- Forelimb
- Gait
- Imaging, Three-Dimensional
- Locomotion
Recent publications by Dr. Fischer
Zoology (Jena)
J Exp Zool A Comp Exp Biol
Philos Trans A Math Phys Eng Sci
See who Dr. Fischer researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Fischer works with, so you can find a warm path to the right psychiatrists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Martin S. Fischer received $24 in industry payments in 2019
CMS Open Payments shows 2 general payments to Dr. Fischer from 1 drug or device company in 2019. Food and beverage make up the largest share, 100% of the total. Sunovion Pharmaceuticals Inc. paid the most, $24.
Companies that paid Dr. Fischer the most, 2019 to 2019
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Martin S. Fischer graduated from New York Medical College
Dr. Fischer graduated from New York Medical College in 1957.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Martin S. Fischer'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 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 Data |
| 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) |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| 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. Martin S. Fischer
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. Martin S. Fischer's NPI number?
Dr. Martin S. Fischer's NPI number is 1801892799. It was assigned on June 24, 2005, and it is active in the NPI Registry.
What kind of doctor is Dr. Martin S. Fischer?
Dr. Martin S. Fischer is a psychiatrist in Tarzana, California. The primary specialty in the NPI Registry is Psychiatry Physician (taxonomy code 2084P0800X).
Where does Dr. Martin S. Fischer practice?
Dr. Fischer practices at 4669 Arriba Dr, Tarzana, CA 91356. Dr. Fischer's primary practice is Martin S Fischer A Medical Corporation in Tarzana, California.
What is Dr. Martin S. Fischer's office phone number?
The practice phone on file for Dr. Fischer is (818) 705-3635.
What is Dr. Martin S. Fischer's medical license number?
Dr. Fischer's California license number on file is G6783.
Does Dr. Martin S. Fischer accept Medicare?
Yes. CMS data shows Dr. Fischer billed Medicare for 194 services in 2023.
What services does Dr. Martin S. Fischer bill to Medicare?
In 2023, Dr. Fischer's most billed Medicare services were home visit (99347) and psychiatric service (90832).
Where did Dr. Martin S. Fischer go to medical school?
Dr. Fischer graduated from New York Medical College in 1957.
What drugs does Dr. Martin S. Fischer prescribe most?
In 2024 Medicare Part D data, Dr. Fischer's most prescribed drugs by claims were Paroxetine HCl.
Has Dr. Martin S. Fischer received payments from drug or device companies?
CMS Open Payments shows $24 in general payments to Dr. Fischer from 1 company from 2019 to 2019. The largest total came from Sunovion Pharmaceuticals Inc.
How long has Dr. Martin S. Fischer been practicing?
Dr. Fischer graduated from medical school in 1957, 69 years ago.
Does Dr. Martin S. Fischer do research?
Dmand AI links 5 publications to Dr. Fischer, published from 2009 to 2019.
Selling to psychiatry practices?
See psychiatrists in California by site of care and group
Find the practices, groups and hospitals they work with, and the right people to contact at each.
- 30 days free
- Self-serve
- No credit card