Dr. Susan Lee Ahart, MA, MD
- Medicare services, 2024
- 339
- Medicare patients, 2024
- 39
- Part D claims, 2024
- 1,850
- Industry payments
- $137
- Affiliated sites
- 1
- Practice address
- 850 Sonoma Ave, Santa Rosa, CA 95404
- Practice phone
- Call (707) 544-7750
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Blue Oak Post-Acute
Skilled Nursing Facility · Santa Rosa, California
Find Dr. Ahart's professional email, personal email and mobile number
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Dr. Susan Lee Ahart is a psychiatrist in Santa Rosa, California
Dr. Ahart practices at Blue Oak Post-Acute in Santa Rosa, California.
Dr. Ahart's NPI, 1407924475, was assigned on November 30, 2006. Dr. Ahart graduated from University Of Cincinnati College Of Medicine in 1991. Dr. Ahart holds California license G80538.
- NPI
- 1407924475NPI Registry (opens in a new tab)
- Medicare PAC ID
- 8921268285
- NPI enumeration date
- November 30, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (707) 544-7750
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 61
- Medical school graduation
- 1991
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Susan Lee Ahart practices at Blue Oak Post-Acute in Santa Rosa, California
Dr. Ahart's primary practice is Blue Oak Post-Acute, at 850 Sonoma Ave, Santa Rosa, CA 95404 in Sonoma County. The practice phone is (707) 544-7750.
- Blue Oak Post-Acute850 Sonoma Ave, Santa Rosa, CA 95404 · Sonoma CountyPhone(707) 544-7750
Source: Dmand AI Affiliation Data
Dr. Susan Lee Ahart is affiliated with 1 site of care and 1 medical group
Dr. Ahart's primary practice is Blue Oak Post-Acute in Santa Rosa, California. The medical group on file is Cloverdale Community Mental Health Center (CMHC Cloverdale). Dr. Ahart's employer is on file too: a skilled nursing facility.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Susan Lee Ahart's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Ahart practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Blue Oak Post-Acute | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Susan Lee Ahart is one of 6,803 psychiatrists in California
Psychiatry is Dr. Ahart's primary specialty in the NPI Registry, under taxonomy code 2084P0800X. Dmand AI has Dr. Ahart's licenses on file in 2 states: California and Wisconsin.
Specialties and state licenses
- Psychiatry, CaliforniaPrimary
- Wisconsin license
Clinical focus
Dmand AI lists anxiety, bipolar disorder, depression and schizophrenia among the conditions Dr. Ahart treats.
Psychiatrists near Dr. Ahart
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. Susan Lee Ahart billed Medicare for 339 services in 2024
CMS data shows 339 Medicare services from Dr. Ahart across 2 procedure codes in 2024, for 39 Medicare patients. Medicare paid $35,084 for them.
Dr. Ahart's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Tests and treatments
- 2023: 2162024: 2093%
- Office and hospital visits
- 2023: 1192024: 1309%
Where Dr. Ahart's Medicare services took place, 2024
- In an office20962%
- In a facility13038%
Dr. Ahart compared with the California median for psychiatrists, 2024
- Dr. Ahart
- California median
- Medicare services
- 339vs 1192.8 times
- Medicare patients
- 39vs 41Close to median
- Part D claims
- 1,666vs 14411.6 times
Medians across 6,809 psychiatrists in California with Dmand AI profiles that report each measure.
Dr. Ahart'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. Ahart?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Ahart and other psychiatrists in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Susan Lee Ahart treated 39 Medicare patients in 2024, average age 61
CMS counts 39 Medicare patients who saw Dr. Ahart in 2024. The largest group is 65 to 74, with 19 patients. 59% of them have mood disorders, and 54% have anxiety. 49% are also on Medicaid. Their average risk score is 1.29, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Ahart's median patient age at 67, with 56% women.
Dr. Ahart's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Ahart's Medicare patients by sex, 2024
- Women2359%
- Men1641%
Chronic conditions among Dr. Ahart's Medicare patients, 2024
- Mood disorders59%
- Anxiety54%
- High cholesterol54%
- Depression49%
- Schizophrenia and other psychoses46%
- High blood pressure44%
- Bipolar disorder28%
Share of Medicare patients with each condition. A patient can have several.
Dr. Ahart's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 67
Patient panel by sex, all payers
- Women56%
- Men40%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Susan Lee Ahart wrote 1,850 Medicare Part D claims in 2024
In 2024, Dr. Ahart wrote 1,850 Medicare Part D claims for 49 patients. 90% of them were for generic drugs. CMS names the drug for 1,666 of them, across 48 drugs with 11 or more claims each, at $271,809 in total drug cost. In 2023, CMS named 1,937 claims across 48 drugs.
Dr. Ahart's Part D claims by kind of drug, 2024
- Generic1,672 claims90%
- Brand-name178 claims10%
Dr. Ahart'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. Ahart's Part D claims, 2024
- Antipsychotics, patients 65 and over3%54 of 1,850 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: 1,9372024: 1,66614%
Drugs named by CMS: 48 in 2024, 48 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 Dr. Susan Lee Ahart takes part in Medicare
Dr. Ahart 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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Dr. Susan Lee Ahart received $137 in industry payments from 2023 to 2024
CMS Open Payments shows 6 general payments to Dr. Ahart from 5 drug and device companies from 2023 to 2024. Food and beverage make up the largest share, 100% of the total. Otsuka America Pharmaceutical, Inc. paid the most, $44.
General payments to Dr. Ahart by program year, 2023 to 2024
Companies that paid Dr. Ahart the most, 2023 to 2024
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Susan Lee Ahart has 1 award and honors on record
Dmand AI lists 1 award for Dr. Ahart, most recently CMS Stage 1 EHR in 2013.
Awards and honors for Dr. Ahart
- 2013
- CMS Stage 1 EHR
Source: Dmand AI Professional Profile Data
Dr. Susan Lee Ahart graduated from University Of Cincinnati College Of Medicine
Dr. Ahart graduated from University Of Cincinnati College Of Medicine in 1991.
- Medical school
Source: Dmand AI Professional Profile Data
Dr. Susan Lee Ahart accepts plans from 5 insurance carriers
Dr. Ahart is in network with 5 carriers, including Blue Cross Blue Shield of Michigan, Blue Cross Blue Shield of Massachusetts and HCSC. Medicare plans come from the most carriers, 5. Check the plan with the practice before a visit.
- Blue Cross Blue Shield of Michigan
- Blue Cross Blue Shield of Massachusetts
- HCSC
- Regence Health Plans
- CMS Medicare
Plan types Dr. Ahart accepts, by number of carriers
- Medicare5
- PPO4
- HMO1
- POS1
Source: Dmand AI Insurance Network Data
Sources for Dr. Susan Lee Ahart'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 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) |
| 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 Dr. Susan Lee Ahart
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. Susan Lee Ahart's NPI number?
Dr. Susan Lee Ahart's NPI number is 1407924475. It was assigned on November 30, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Susan Lee Ahart?
Dr. Susan Lee Ahart is a psychiatrist in Santa Rosa, California. The primary specialty in the NPI Registry is Psychiatry Physician (taxonomy code 2084P0800X).
Where does Dr. Susan Lee Ahart practice?
Dr. Ahart practices at 850 Sonoma Ave, Santa Rosa, CA 95404. Dr. Ahart's primary practice is Blue Oak Post-Acute in Santa Rosa, California.
What is Dr. Susan Lee Ahart's office phone number?
The practice phone on file for Dr. Ahart is (707) 544-7750.
What is Dr. Susan Lee Ahart's medical license number?
Dr. Ahart holds California license G80538, one of the licenses on file in 2 states.
Which states has Dr. Susan Lee Ahart been licensed in?
Dmand AI has state licenses on file for Dr. Ahart in California (1995 to 2027) and Wisconsin (1992 to 1995).
What medical group is Dr. Susan Lee Ahart part of?
Dr. Ahart is linked to Cloverdale Community Mental Health Center (CMHC Cloverdale).
Does Dr. Susan Lee Ahart accept Medicare?
Yes. CMS data shows Dr. Ahart billed Medicare for 339 services in 2024, and Dr. Ahart accepts Medicare assignment.
How many Medicare patients does Dr. Susan Lee Ahart see?
CMS counts 39 Medicare patients who saw Dr. Ahart in 2024, with an average age of 61.
What services does Dr. Susan Lee Ahart bill to Medicare?
In 2024, Dr. Ahart's most billed Medicare services were psychiatric service (90838) and nursing facility care (99310).
Show 5 more questionsShow fewer questions
Where did Dr. Susan Lee Ahart go to medical school?
Dr. Ahart graduated from University Of Cincinnati College Of Medicine in 1991.
What drugs does Dr. Susan Lee Ahart prescribe most?
In 2024 Medicare Part D data, Dr. Ahart's most prescribed drugs by claims were Olanzapine, Olanzapine ODT and Clonazepam.
Has Dr. Susan Lee Ahart received payments from drug or device companies?
CMS Open Payments shows $137 in general payments to Dr. Ahart from 5 companies from 2023 to 2024. The largest total came from Otsuka America Pharmaceutical, Inc.
How long has Dr. Susan Lee Ahart been practicing?
Dr. Ahart graduated from medical school in 1991, 35 years ago.
What insurance does Dr. Susan Lee Ahart accept?
Dr. Ahart is in network with 5 carriers, including Blue Cross Blue Shield of Michigan, Blue Cross Blue Shield of Massachusetts and HCSC. Medicare plans come from the most carriers, 5. Check the plan with the practice before a visit.
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