Genet Test Mol Biomarkers
GenotypeIntestinal MucosaIntestines
Dr. Tanaz Kahen, MD
NPI1679542898PAC ID3779567334
- Medicare services, 2024
- 758
- Medicare patients, 2024
- 302
- Part D claims, 2024
- 358
- Publications
- 2
- Industry payments
- $19,297
- Practice address
- 8403 N Fallbrook Ave, West Hills, CA 91304
- Practice phone
- Call (740) 289-3508
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Quest Diagnostics
West Hills, California
Find Dr. Kahen'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. Tanaz Kahen is an OB-GYN in West Hills, California
Dr. Kahen practices at Quest Diagnostics in West Hills, California.
Dr. Kahen's NPI, 1679542898, was assigned on March 17, 2006. Dr. Kahen graduated from Ross University School of Medicine in 1998. Dr. Kahen's California license number on file is A79336.
NPI and contact details
- NPI
- 1679542898NPI Registry (opens in a new tab)
- Medicare PAC ID
- 3779567334
- NPI enumeration date
- March 17, 2006
- NPI status
- Active
- Offers telehealth
- Yes
- Practice phone
- (740) 289-3508
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 59
- Medical school graduation
- 1998
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Tanaz Kahen practices at Quest Diagnostics in West Hills, California
Dr. Kahen's primary practice is Quest Diagnostics, at 8403 N Fallbrook Ave, West Hills, CA 91304 in Los Angeles County. The practice phone is (740) 289-3508.
- Quest Diagnostics8403 N Fallbrook Ave, West Hills, CA 91304 · Los Angeles CountyPhone(740) 289-3508
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Tanaz Kahen is affiliated with 4 sites of care and 3 medical groups
Dr. Kahen's primary practice is Quest Diagnostics in West Hills, California. The medical group on file is SoCal Community Health Center. Dmand AI also links Dr. Kahen to 3 more group practices and clinics and 2 medical groups, each named with a free account.
Quest DiagnosticsPrimary
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Tanaz Kahen's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Kahen practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Quest Diagnostics | Available with a free account |
| +3 more sites and 2 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
See the EHR and IT leaders at every site where Dr. Kahen practices
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. Tanaz Kahen is one of 4,642 OB-GYNs in California
Obstetrics and gynecology is Dr. Kahen's primary specialty in the NPI Registry, under taxonomy code 207V00000X. Dr. Kahen is board certified in obstetrics & gynecology by the American Board of Obstetrics and Gynecology. Dmand AI has Dr. Kahen's licenses on file in 2 states: California and Illinois.
Specialties and state licenses
- Obstetrics and gynecology, CaliforniaPrimary
- Illinois license
Clinical focus
Dmand AI lists menopause, ovarian cyst, UTI and vaginal infection among the conditions Dr. Kahen treats.
OB-GYNs near Dr. Kahen
Counts of OB-GYNs 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. Tanaz Kahen billed Medicare for 758 services in 2024
CMS data shows 758 Medicare services from Dr. Kahen across 9 procedure codes in 2024, for 302 Medicare patients. Medicare paid $57,278 for them. Every service was in an office.
Medicare services, 2024758
Medicare patients302
Paid by Medicare$57,278
Procedure codes9
Dr. Kahen's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Other services
- 2023: 2932024: 34217%
- Office and hospital visits
- 2023: 2592024: 32224%
- Tests and treatments
- 2023: 02024: 68
- Imaging
- 2023: 242024: 268%
- Lab and pathology
- 2023: 172024: 0100%
Dr. Kahen compared with the California median for OB-GYNs, 2024
- Dr. Kahen
- California median
- Medicare services
- 758vs 5813.1 times
- Medicare patients
- 302vs 525.8 times
- Part D claims
- 272vs 357.8 times
Medians across 3,823 OB-GYNs in California with Dmand AI profiles that report each measure.
Dr. Kahen'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. Kahen?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Kahen and other OB-GYNs in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Tanaz Kahen treated 302 Medicare patients in 2024, average age 70
CMS counts 302 Medicare patients who saw Dr. Kahen in 2024. The largest group is 65 to 74, with 168 patients. 75% of them have high cholesterol, and 59% have high blood pressure. 34% are also on Medicaid. Their average risk score is 0.93, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Kahen's median patient age at 40, with 82% women.
Medicare patients, 2024302
Average age70
Average risk score0.93
Also on Medicaid34%
Dr. Kahen's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Kahen's Medicare patients by sex, 2024
- Women27992%
- Men238%
Chronic conditions among Dr. Kahen's Medicare patients, 2024
- High cholesterol75%
- High blood pressure59%
- Arthritis52%
- Diabetes37%
- Osteoporosis35%
- Anxiety34%
- Ischemic heart disease31%
- Mood disorders27%
Share of Medicare patients with each condition. A patient can have several.
Dr. Kahen's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 40
Patient panel by sex, all payers
- Women82%
- Men18%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Tanaz Kahen wrote 358 Medicare Part D claims in 2024
In 2024, Dr. Kahen wrote 358 Medicare Part D claims for 121 patients. 76% of them were for generic drugs. CMS names the drug for 272 of them, across 12 drugs with 11 or more claims each, at $31,024 in total drug cost. In 2023, CMS named 263 claims across 11 drugs.
Part D claims, 2024358
Drugs named by CMS12
Total drug cost$31,024
Part D patients121
Dr. Kahen's Part D claims by kind of drug, 2024
- Generic271 claims76%
- Brand-name87 claims24%
Dr. Kahen'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. Kahen's Part D claims, 2024
- Antibiotics9%32 of 358 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: 2632024: 2723%
Drugs named by CMS: 12 in 2024, 11 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. Tanaz Kahen offers telehealth to Medicare patients
CMS lists Dr. Kahen as offering telehealth.
- Offers telehealth
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
For MedTech and pharma teams
Find OB-GYNs like Dr. Kahen by procedure volume and prescribing
Filter 7.4M+ HCPs by Medicare procedures, Part D drugs and Open Payments history, then reach them with verified contacts in one login.
Dr. Tanaz Kahen has 2 publications on record
Dmand AI links 2 papers to Dr. Kahen in 2011. Dr. Kahen's most frequent co-authors are Daniel K. Darvish, MD and Pedram Sinai.
Papers2
Dr. Kahen's most frequent co-authors
Recent publications by Dr. Kahen
AgingDNA, MitochondrialEar, Inner
See who Dr. Kahen researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Kahen works with, so you can find a warm path to the right OB-GYNs.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Tanaz Kahen received $19,297 in industry payments from 2016 to 2025
CMS Open Payments shows 499 general payments to Dr. Kahen from 38 drug and device companies from 2016 to 2025. Consulting fees make up the largest share, 55% of the total. MIMEDX Group, Inc. paid the most, $10,624.
General payments to Dr. Kahen by program year, 2016 to 2025
General payments to Dr. Kahen by kind, 2016 to 2025
$19.3Kin total
- Consulting fees$10,70155%
- Food and beverage$7,15237%
- Honoraria$1,0005%
- Education$4442%
Companies that paid Dr. Kahen 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. Tanaz Kahen graduated from Ross University School of Medicine
Dr. Kahen graduated from Ross University School of Medicine in 1998.
- Medical school
- Board certified in obstetrics & gynecology
Source: Dmand AI Professional Profile Data
Dr. Tanaz Kahen accepts plans from 9 insurance carriers
Dr. Kahen is in network with 9 carriers, including Aetna, Blue Cross Blue Shield of Michigan and LA Care. Medicare plans come from the most carriers, 8. Check the plan with the practice before a visit.
- Aetna
- Blue Cross Blue Shield of Michigan
- LA Care
- Blue Cross Blue Shield of Massachusetts
- HCSC
- Regence Health Plans
- CMS Medicare
- Humana
- +1 more carriersWith a free account
Plan types Dr. Kahen accepts, by number of carriers
- Medicare8
- PPO5
- HMO4
- POS2
- EPO1
- Medicaid1
Source: Dmand AI Insurance Network Data
Sources for Dr. Tanaz Kahen'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) |
| 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. Tanaz Kahen
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. Tanaz Kahen's NPI number?
Dr. Tanaz Kahen's NPI number is 1679542898. It was assigned on March 17, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Tanaz Kahen?
Dr. Tanaz Kahen is an OB-GYN in West Hills, California. The primary specialty in the NPI Registry is Obstetrics & Gynecology Physician (taxonomy code 207V00000X).
Where does Dr. Tanaz Kahen practice?
Dr. Kahen practices at 8403 N Fallbrook Ave, West Hills, CA 91304. Dr. Kahen's primary practice is Quest Diagnostics in West Hills, California. Dmand AI also links Dr. Kahen to 3 group practices and clinics and 2 medical groups.
What is Dr. Tanaz Kahen's office phone number?
The practice phone on file for Dr. Kahen is (740) 289-3508.
What is Dr. Tanaz Kahen's medical license number?
Dr. Kahen's California license number on file is A79336, one of the licenses on file in 2 states.
Which states has Dr. Tanaz Kahen been licensed in?
Dmand AI has state licenses on file for Dr. Kahen in California (2002 to 2025) and Illinois (2000 to 2003).
What medical group is Dr. Tanaz Kahen part of?
Dr. Kahen is linked to SoCal Community Health Center. Dmand AI links Dr. Kahen to 2 more medical groups.
Does Dr. Tanaz Kahen accept Medicare?
Yes. CMS data shows Dr. Kahen billed Medicare for 758 services in 2024.
Does Dr. Tanaz Kahen offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Kahen as offering telehealth services.
How many Medicare patients does Dr. Tanaz Kahen see?
CMS counts 302 Medicare patients who saw Dr. Kahen in 2024, with an average age of 70.
Show 9 more questionsShow fewer questions
Is Dr. Tanaz Kahen board certified?
Yes. Dr. Kahen is board certified in obstetrics & gynecology by the American Board of Obstetrics and Gynecology.
What services does Dr. Tanaz Kahen bill to Medicare?
In 2024, Dr. Kahen's most billed Medicare services were office visit, established patient (99214), medicare temporary code (Q0091) and medicare service (G0101).
Where did Dr. Tanaz Kahen go to medical school?
Dr. Kahen graduated from Ross University School of Medicine in 1998.
What drugs does Dr. Tanaz Kahen prescribe most?
In 2024 Medicare Part D data, Dr. Kahen's most prescribed drugs by claims were Estradiol, Prempro and Premarin.
Has Dr. Tanaz Kahen received payments from drug or device companies?
CMS Open Payments shows $19,297 in general payments to Dr. Kahen from 38 companies from 2016 to 2025. The largest total came from MIMEDX Group, Inc.
How long has Dr. Tanaz Kahen been practicing?
Dr. Kahen graduated from medical school in 1998, 28 years ago.
Does Dr. Tanaz Kahen do research?
Dmand AI links 2 publications to Dr. Kahen.
Who does Dr. Tanaz Kahen publish with?
Dr. Kahen's most frequent co-authors are Daniel K. Darvish, MD (1 shared paper) and Pedram Sinai (1 shared paper).
What insurance does Dr. Tanaz Kahen accept?
Dr. Kahen is in network with 9 carriers, including Aetna, Blue Cross Blue Shield of Michigan and LA Care. Medicare plans come from the most carriers, 8. Check the plan with the practice before a visit.
Selling to obstetrics and gynecology practices?
See OB-GYNs 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