Nadya Friedman
- Medicare services, 2020
- 56
- Part D claims, 2024
- 2,631
- Hospital affiliations
- 1
- Industry payments
- $2,573
- Medical groups
- 2
- Practice address
- 15230 Lakeshore Drive, Clearlake, CA 95422
- Practice phone
- Call (707) 994-0407
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Adventist Health Clear Lake - Clearlake
Rural Health Clinic - Hospital-Owned · Clearlake, California
Find Nadya Friedman'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.
Nadya Friedman is a psychiatrist in Clearlake, California
Nadya Friedman practices at Adventist Health Clear Lake - Clearlake in Clearlake, California.
Nadya Friedman's NPI, 1811048911, was assigned on January 15, 2007. Nadya Friedman graduated from East Tennessee State University/Quillen College of Medicine in 2005. Nadya Friedman holds California license C155143.
- NPI
- 1811048911NPI Registry (opens in a new tab)
- Medicare PAC ID
- 2163508896
- NPI enumeration date
- January 15, 2007
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (707) 994-0407
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 47
- Medical school graduation
- 2005
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Nadya Friedman practices at Adventist Health Clear Lake - Clearlake in Clearlake, California
Nadya Friedman's primary practice is Adventist Health Clear Lake - Clearlake, at 15230 Lakeshore Drive, Clearlake, CA 95422. The practice phone is (707) 994-0407.
- Adventist Health Clear Lake - Clearlake15230 Lakeshore Drive, Clearlake, CA 95422Phone(707) 994-0407
Source: Dmand AI Affiliation Data
Nadya Friedman is affiliated with 2 sites of care and 2 medical groups
Nadya Friedman's primary practice is Adventist Health Clear Lake - Clearlake in Clearlake, California. Nadya Friedman is also affiliated with Adventist Health Clear Lake. The medical group on file is Adventist Health Clear Lake. Dmand AI also links Nadya Friedman to 1 more medical group, named with a free account. Nadya Friedman's employer is on file too: a rural health clinic (rhc).
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Nadya Friedman's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Nadya Friedman practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Adventist Health Clear Lake - Clearlake | Available with a free account |
| +1 more site and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Nadya Friedman is one of 6,803 psychiatrists in California
Psychiatry is Nadya Friedman's primary specialty in the NPI Registry, under taxonomy code 2084P0800X. Nadya Friedman is board certified in psychiatry by the American Board of Psychiatry and Neurology. Dmand AI has Nadya Friedman's licenses on file in 2 states: California and New York.
Specialties and state licenses
- Psychiatry, CaliforniaPrimary
- New York license
Clinical focus
Dmand AI lists adjustment disease, anxiety, bipolar disorder, depression, insomnia and schizophrenia among the conditions Nadya Friedman treats.
Psychiatrists near Nadya Friedman
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
Nadya Friedman billed Medicare for 56 services in 2020
CMS data shows 56 Medicare services from Nadya Friedman across 2 procedure codes in 2020. Medicare paid $3,291 for them. Every service was in an office.
Nadya Friedman's Medicare services by type, 2019 to 2020
- 2019
- 2020
- Office and hospital visits
- 2019: 722020: 4538%
- Tests and treatments
- 2019: 372020: 1170%
Nadya Friedman compared with the California median for psychiatrists, 2020
- Nadya Friedman
- California median
- Medicare services
- 56vs 11953% below
- Part D claims
- 2,466vs 14417.1 times
Medians across 6,809 psychiatrists in California with Dmand AI profiles that report each measure.
Nadya Friedman's most billed Medicare procedure codes, 2020
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 Nadya Friedman and other psychiatrists in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Nadya Friedman's patients have a median age of 68
Across all payers, Dmand AI patient panel data puts Nadya Friedman's median patient age at 68, with 65% women.
Nadya Friedman's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 68
Patient panel by sex, all payers
- Women65%
- Men35%
Source: Dmand AI Patient Panel Data
Nadya Friedman wrote 2,631 Medicare Part D claims in 2024
In 2024, Nadya Friedman wrote 2,631 Medicare Part D claims for 141 patients. 97% of them were for generic drugs. CMS names the drug for 2,466 of them, across 40 drugs with 11 or more claims each, at $133,376 in total drug cost. In 2023, CMS named 1,106 claims across 25 drugs.
Nadya Friedman's Part D claims by kind of drug, 2024
- Generic2,539 claims97%
- Brand-name92 claims3%
Nadya Friedman'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 Nadya Friedman's Part D claims, 2024
- Antipsychotics, patients 65 and over11%300 of 2,631 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: 1,1062024: 2,466123%
Drugs named by CMS: 40 in 2024, 25 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
How Nadya Friedman takes part in Medicare
Nadya Friedman accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Nadya Friedman received $2,573 in industry payments from 2018 to 2022
CMS Open Payments shows 146 general payments to Nadya Friedman from 18 drug and device companies from 2018 to 2022. Food and beverage make up the largest share, 96% of the total. Allergan Inc. paid the most, $885.
General payments to Nadya Friedman by program year, 2018 to 2022
General payments to Nadya Friedman by kind, 2018 to 2022
- Food and beverage$2,48196%
- Education$914%
Companies that paid Nadya Friedman the most, 2018 to 2022
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Nadya Friedman has 1 award and honors on record
Dmand AI lists 1 award for Nadya Friedman, most recently Fellow in 2020.
Awards and honors for Nadya Friedman
- 2020
- Fellow
Source: Dmand AI Professional Profile Data
Nadya Friedman graduated from East Tennessee State University/Quillen College of Medicine
Nadya Friedman graduated from East Tennessee State University/Quillen College of Medicine in 2005. Nadya Friedman is a member of APA.
- Medical school
- Board certified in psychiatry
Source: Dmand AI Professional Profile Data
Nadya Friedman accepts plans from 9 insurance carriers
Nadya Friedman is in network with 9 carriers, including Aetna, Elevance and Blue Cross Blue Shield of Michigan. Medicare plans come from the most carriers, 7. Check the plan with the practice before a visit.
- Aetna
- Elevance
- Blue Cross Blue Shield of Michigan
- Blue Cross Blue Shield of Massachusetts
- HCSC
- MVP Health Care
- Regence Health Plans
- CMS Medicare
- +1 more carriersWith a free account
Plan types Nadya Friedman accepts, by number of carriers
- Medicare7
- PPO7
- EPO3
- HMO3
- POS3
- Medicaid1
Source: Dmand AI Insurance Network Data
Sources for Nadya Friedman'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 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 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) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Awards and committee roles | Dmand AI Professional Profile Data |
| 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 Nadya Friedman
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Nadya Friedman's NPI number?
Nadya Friedman's NPI number is 1811048911. It was assigned on January 15, 2007, and it is active in the NPI Registry.
What does Nadya Friedman specialize in?
Nadya Friedman is a psychiatrist in Clearlake, California. The primary specialty in the NPI Registry is Psychiatry Physician (taxonomy code 2084P0800X).
Where does Nadya Friedman practice?
Nadya Friedman practices at 15230 Lakeshore Drive, Clearlake, CA 95422. Nadya Friedman's primary practice is Adventist Health Clear Lake - Clearlake in Clearlake, California. Dmand AI also links Nadya Friedman to 1 medical group.
What is Nadya Friedman's office phone number?
The practice phone on file for Nadya Friedman is (707) 994-0407.
What is Nadya Friedman's medical license number?
Nadya Friedman holds California license C155143, one of the licenses on file in 2 states.
Which states has Nadya Friedman been licensed in?
Dmand AI has state licenses on file for Nadya Friedman in California (2018 to 2026) and New York (2006 to 2026).
Which hospitals is Nadya Friedman affiliated with?
Nadya Friedman is affiliated with Adventist Health Clear Lake.
What medical group is Nadya Friedman part of?
Nadya Friedman is linked to Adventist Health Clear Lake. Dmand AI links Nadya Friedman to 1 more medical group.
Does Nadya Friedman accept Medicare?
Yes. CMS data shows Nadya Friedman billed Medicare for 56 services in 2020, and Nadya Friedman accepts Medicare assignment.
Is Nadya Friedman board certified?
Yes. Nadya Friedman is board certified in psychiatry by the American Board of Psychiatry and Neurology.
Show 6 more questionsShow fewer questions
What services does Nadya Friedman bill to Medicare?
In 2020, Nadya Friedman's most billed Medicare services were office visit, established patient (99214) and psychiatric service (90792).
Where did Nadya Friedman go to medical school?
Nadya Friedman graduated from East Tennessee State University/Quillen College of Medicine in 2005.
What drugs does Nadya Friedman prescribe most?
In 2024 Medicare Part D data, Nadya Friedman's most prescribed drugs by claims were Quetiapine Fumarate, Trazodone HCl and Duloxetine HCl.
Has Nadya Friedman received payments from drug or device companies?
CMS Open Payments shows $2,573 in general payments to Nadya Friedman from 18 companies from 2018 to 2022. The largest total came from Allergan Inc.
How long has Nadya Friedman been practicing?
Nadya Friedman graduated from medical school in 2005, 21 years ago.
What insurance does Nadya Friedman accept?
Nadya Friedman is in network with 9 carriers, including Aetna, Elevance and Blue Cross Blue Shield of Michigan. Medicare plans come from the most carriers, 7. Check the plan with the practice before a visit.
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