Acad Psychiatry
Foreign Medical GraduatesStudents, Medical
Dr. Karin Friederwitzer, MD
NPI1356497598PAC ID9830172790
- Medicare services, 2021
- 102
- Part D claims, 2024
- 838
- Publications
- 1
- MIPS score, 2024
- 100
- Industry payments
- $67
- Practice address
- 622 W 168th St, New York, NY 10032
- Practice phone
- Call (212) 305-2500
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Columbia University Irving Medical Center
New York, New York
Find Dr. Friederwitzer's professional email, personal email and mobile number
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Dr. Karin Friederwitzer is a geriatric psychiatry physician in New York, New York
Dr. Friederwitzer practices at Columbia University Irving Medical Center in New York, New York.
Dr. Friederwitzer's NPI, 1356497598, was assigned on January 27, 2007. Dr. Friederwitzer graduated from University of Buenos Aires in 1991. Dr. Friederwitzer holds New York license 213317.
NPI and contact details
- NPI
- 1356497598NPI Registry (opens in a new tab)
- Medicare PAC ID
- 9830172790
- NPI enumeration date
- January 27, 2007
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (212) 305-2500
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 62
- Medical school graduation
- 1991
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Karin Friederwitzer practices at Columbia University Irving Medical Center in New York, New York
Dr. Friederwitzer's primary practice is Columbia University Irving Medical Center, at 622 W 168th St, New York, NY 10032 in New York County. The practice phone is (212) 305-2500.
- Columbia University Irving Medical Center622 W 168th St, New York, NY 10032 · New York CountyPhone(212) 305-2500
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Karin Friederwitzer is affiliated with 1 site of care and 1 medical group
Dr. Friederwitzer's primary practice is Columbia University Irving Medical Center in New York, New York. The medical group on file is ColumbiaDoctors.
Columbia University Irving Medical CenterPrimary
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Karin Friederwitzer's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Friederwitzer practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Columbia University Irving Medical Center | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Karin Friederwitzer is one of 63 geriatric psychiatry physicians in New York
Geriatric psychiatry is Dr. Friederwitzer's primary specialty in the NPI Registry, under taxonomy code 2084P0805X. Dr. Friederwitzer is board certified in geriatric psychiatry by the American Board of Psychiatry and Neurology. Dmand AI has Dr. Friederwitzer's licenses on file in 2 states: New York and Connecticut.
Specialties and state licenses
- Geriatric psychiatry, New YorkPrimary
- Connecticut license
Clinical focus
Dmand AI lists anxiety, bipolar disorder, depression and schizophrenia among the conditions Dr. Friederwitzer treats.
Geriatric psychiatry physicians near Dr. Friederwitzer
Counts of geriatric psychiatry physicians 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. Karin Friederwitzer billed Medicare for 102 services in 2021
CMS data shows 102 Medicare services from Dr. Friederwitzer across 1 procedure code in 2021, all of them office visits. Medicare paid $6,308 for them. Every service was in a facility, such as a hospital, rather than an office.
Medicare services, 2021102
Paid by Medicare$6,308
Procedure codes1
Dr. Friederwitzer's Medicare services by type, 2020 to 2021
- 2020
- 2021
- Office and hospital visits
- 2020: 582021: 10276%
Dr. Friederwitzer compared with the New York median for geriatric psychiatry physicians, 2021
- Dr. Friederwitzer
- New York median
- Medicare services
- 102vs 23456% below
- Part D claims
- 798vs 2303.5 times
Medians across 68 geriatric psychiatry physicians in New York with Dmand AI profiles that report each measure.
Dr. Friederwitzer's most billed Medicare procedure codes, 2021
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. Friederwitzer and other geriatric psychiatry physicians in New York.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Karin Friederwitzer's patients have a median age of 72
Across all payers, Dmand AI patient panel data puts Dr. Friederwitzer's median patient age at 72, with 75% women.
Dr. Friederwitzer's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 72
Patient panel by sex, all payers
- Women75%
- Men25%
Source: Dmand AI Patient Panel Data
Dr. Karin Friederwitzer wrote 838 Medicare Part D claims in 2024
In 2024, Dr. Friederwitzer wrote 838 Medicare Part D claims for 35 patients. 97% of them were for generic drugs. CMS names the drug for 798 of them, across 22 drugs with 11 or more claims each, at $9,503 in total drug cost. In 2023, CMS named 837 claims across 24 drugs.
Part D claims, 2024838
Drugs named by CMS22
Total drug cost$9,503
Part D patients35
Dr. Friederwitzer's Part D claims by kind of drug, 2024
- Generic816 claims97%
- Brand-name22 claims3%
Dr. Friederwitzer'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. Friederwitzer's Part D claims, 2024
- Antipsychotics, patients 65 and over15%129 of 838 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: 8372024: 7985%
Drugs named by CMS: 22 in 2024, 24 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. Karin Friederwitzer 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. Friederwitzer for performance year 2024, reported through an alternative payment model (APM). Dr. Friederwitzer accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Friederwitzer as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Dr. Friederwitzer's MIPS scores, performance year 2024
- 100of 100Final score
- 85.3of 100Quality
- 100of 100Promoting Interoperability
- 40of 100Improvement Activities
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. Karin Friederwitzer has 1 publication on record
Dmand AI links 1 paper to Dr. Friederwitzer in 2022. Dr. Friederwitzer's most frequent co-authors are Melissa R. Arbuckle, MD, PhD, Renu Maria Culas, MD and Margaret Snyder Hamilton, MD.
Papers1
Dr. Friederwitzer's most frequent co-authors
- Melissa R. Arbuckle, MD, PhD1 shared paper
- Renu Maria Culas, MD1 shared paper
- Margaret Snyder Hamilton, MD1 shared paper
Recent publications by Dr. Friederwitzer
See who Dr. Friederwitzer researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Friederwitzer works with, so you can find a warm path to the right geriatric psychiatry physicians.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Karin Friederwitzer received $67 in industry payments in 2016
CMS Open Payments shows 4 general payments to Dr. Friederwitzer from 3 drug and device companies in 2016. Food and beverage make up the largest share, 100% of the total. AstraZeneca Pharmaceuticals LP paid the most, $31.
Companies that paid Dr. Friederwitzer the most, 2016 to 2016
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Karin Friederwitzer graduated from University of Buenos Aires
Dr. Friederwitzer graduated from University of Buenos Aires in 1991. Dr. Friederwitzer is a member of APA.
- Medical school
- Board certified in geriatric psychiatry
- Board certified in psychiatry
Source: Dmand AI Professional Profile Data
Dr. Karin Friederwitzer accepts plans from 4 insurance carriers
Dr. Friederwitzer is in network with 4 carriers, including MVP Health Care, CMS Medicare and NY State Medicaid. Medicaid plans come from the most carriers, 2. Check the plan with the practice before a visit.
- MVP Health Care
- CMS Medicare
- NY State Medicaid
- RI State Medicaid
Plan types Dr. Friederwitzer accepts, by number of carriers
- Medicaid2
- EPO1
- Medicare1
- PPO1
Source: Dmand AI Insurance Network Data
Sources for Dr. Karin Friederwitzer'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 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) |
| 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) |
| 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 |
| 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. Karin Friederwitzer
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. Karin Friederwitzer's NPI number?
Dr. Karin Friederwitzer's NPI number is 1356497598. It was assigned on January 27, 2007, and it is active in the NPI Registry.
What kind of doctor is Dr. Karin Friederwitzer?
Dr. Karin Friederwitzer is a geriatric psychiatry physician in New York, New York. The primary specialty in the NPI Registry is Geriatric Psychiatry Physician (taxonomy code 2084P0805X).
Where does Dr. Karin Friederwitzer practice?
Dr. Friederwitzer practices at 622 W 168th St, New York, NY 10032. Dr. Friederwitzer's primary practice is Columbia University Irving Medical Center in New York, New York.
What is Dr. Karin Friederwitzer's office phone number?
The practice phone on file for Dr. Friederwitzer is (212) 305-2500.
What is Dr. Karin Friederwitzer's medical license number?
Dr. Friederwitzer holds New York license 213317, one of the licenses on file in 2 states.
Which states has Dr. Karin Friederwitzer been licensed in?
Dmand AI has state licenses on file for Dr. Friederwitzer in New York (1999 to 2026) and Connecticut (2001 to 2005).
What medical group is Dr. Karin Friederwitzer part of?
Dr. Friederwitzer is linked to ColumbiaDoctors.
Does Dr. Karin Friederwitzer accept Medicare?
Yes. CMS data shows Dr. Friederwitzer billed Medicare for 102 services in 2021, and Dr. Friederwitzer accepts Medicare assignment.
Does Dr. Karin Friederwitzer offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Friederwitzer as offering telehealth services.
What is Dr. Karin Friederwitzer's MIPS score?
Dr. Friederwitzer's MIPS final score for performance year 2024 is 100 out of 100, reported through an alternative payment model (APM).
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Is Dr. Karin Friederwitzer board certified?
Yes. Dr. Friederwitzer is board certified in geriatric psychiatry by the American Board of Psychiatry and Neurology.
What services does Dr. Karin Friederwitzer bill to Medicare?
In 2021, Dr. Friederwitzer's most billed Medicare services were office visit, established patient (99213).
Where did Dr. Karin Friederwitzer go to medical school?
Dr. Friederwitzer graduated from University of Buenos Aires in 1991.
What drugs does Dr. Karin Friederwitzer prescribe most?
In 2024 Medicare Part D data, Dr. Friederwitzer's most prescribed drugs by claims were Escitalopram Oxalate, Fluoxetine HCl and Risperidone.
Has Dr. Karin Friederwitzer received payments from drug or device companies?
CMS Open Payments shows $67 in general payments to Dr. Friederwitzer from 3 companies from 2016 to 2016. The largest total came from AstraZeneca Pharmaceuticals LP.
How long has Dr. Karin Friederwitzer been practicing?
Dr. Friederwitzer graduated from medical school in 1991, 35 years ago.
Does Dr. Karin Friederwitzer do research?
Dmand AI links 1 publication to Dr. Friederwitzer.
Who does Dr. Karin Friederwitzer publish with?
Dr. Friederwitzer's most frequent co-authors are Melissa R. Arbuckle, MD, PhD (1 shared paper), Renu Maria Culas, MD (1 shared paper) and Margaret Snyder Hamilton, MD (1 shared paper).
What insurance does Dr. Karin Friederwitzer accept?
Dr. Friederwitzer is in network with 4 carriers, including MVP Health Care, CMS Medicare and NY State Medicaid. Medicaid plans come from the most carriers, 2. Check the plan with the practice before a visit.
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