Katharine Cella Fash, FNP
- Medicare patients, 2024
- 173
- Part D claims, 2024
- 2,271
- MIPS score, 2024
- 84
- Affiliated sites
- 1
- Medical group
- 1
- Practice address
- 4921 Parkview Pl, Saint Louis, MO 63110
- Practice phone
- Call (314) 747-5192
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Washington University School of Medicine
Saint Louis, Missouri
Find Katharine Fash'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.
Katharine Cella Fash is a nurse practitioner in Saint Louis, Missouri
Katharine Fash practices at Washington University School of Medicine in Saint Louis, Missouri.
Katharine Fash's NPI, 1598238917, was assigned on January 8, 2019. Katharine Fash graduated from Vanderbilt University School of Medicine in 2018. Katharine Fash holds Missouri license 2019000563.
- NPI
- 1598238917NPI Registry (opens in a new tab)
- Medicare PAC ID
- 8820339377
- NPI enumeration date
- January 8, 2019
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (314) 747-5192
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 34
- Medical school graduation
- 2018
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Katharine Cella Fash practices at Washington University School of Medicine in Saint Louis, Missouri
Katharine Fash's primary practice is Washington University School of Medicine, at 4921 Parkview Pl, Saint Louis, MO 63110 in Saint Louis City. The practice phone is (314) 747-5192.
- Washington University School of Medicine4921 Parkview Pl, Saint Louis, MO 63110 · Saint Louis CityPhone(314) 747-5192
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Katharine Cella Fash is affiliated with 2 sites of care and 1 medical group
Katharine Fash's primary practice is Washington University School of Medicine in Saint Louis, Missouri. The medical group on file is WashU Medicine Psychiatry. Dmand AI also links Katharine Fash to 1 more group practice or clinic, named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Katharine Cella Fash's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Katharine Fash practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Washington University School of Medicine | Available with a free account |
| +1 more affiliated site | Available with a free account |
Source: Dmand AI Technology Install Data
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Katharine Cella Fash is one of 1,347 nurse practitioners in Missouri
Nurse practitioner is Katharine Fash's primary specialty in the NPI Registry, under taxonomy code 363L00000X. Katharine Fash is licensed in Missouri.
Specialties and state licenses
- Nurse practitioner, MissouriPrimary
Nurse practitioners near Katharine Fash
Counts of nurse practitioners 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
Katharine Cella Fash treated 173 Medicare patients in 2024, average age 71
CMS counts 173 Medicare patients who saw Katharine Fash in 2024. The largest group is 65 to 74, with 90 patients. 65% of them have high blood pressure, and 59% have high cholesterol. 13% are also on Medicaid. Their average risk score is 1.18, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Katharine Fash's median patient age at 44, with 74% women.
Katharine Fash's Medicare patients by age, 2024
Katharine Fash's Medicare patients by sex, 2024
- Women12069%
- Men5331%
Chronic conditions among Katharine Fash's Medicare patients, 2024
- High blood pressure65%
- High cholesterol59%
- Arthritis47%
- Anxiety32%
- Mood disorders27%
- Depression24%
- Diabetes20%
- Ischemic heart disease20%
Share of Medicare patients with each condition. A patient can have several.
Katharine Fash's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 44
Patient panel by sex, all payers
- Women74%
- Men25%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Katharine Cella Fash wrote 2,271 Medicare Part D claims in 2024
In 2024, Katharine Fash wrote 2,271 Medicare Part D claims for 262 patients. 84% of them were for generic drugs.
Katharine Fash's Part D claims by kind of drug, 2024
- Generic1,913 claims84%
- Brand-name and other358 claims16%
Drug classes CMS tracks in Katharine Fash's Part D claims, 2024
- Antibiotics4%86 of 2,271 claims
- Antipsychotics, patients 65 and over1%25 of 2,271 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data
Katharine Cella Fash scored 84 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 84 out of 100 for Katharine Fash for performance year 2024, reported as part of a group. Katharine Fash accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Katharine Fash as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Katharine Fash's MIPS scores, performance year 2024
- 84of 100Final score
- 71.6of 100Quality
- 100of 100Promoting Interoperability
- 40of 100Improvement Activities
- 76of 100Cost
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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Katharine Cella Fash graduated from Vanderbilt University School of Medicine
Katharine Fash graduated from Vanderbilt University School of Medicine in 2018.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Katharine Cella Fash'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 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 (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) |
| 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 Katharine Cella Fash
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Katharine Cella Fash's NPI number?
Katharine Cella Fash's NPI number is 1598238917. It was assigned on January 8, 2019, and it is active in the NPI Registry.
What does Katharine Cella Fash specialize in?
Katharine Cella Fash is a nurse practitioner in Saint Louis, Missouri. The primary specialty in the NPI Registry is Nurse Practitioner (taxonomy code 363L00000X).
Where does Katharine Cella Fash practice?
Katharine Fash practices at 4921 Parkview Pl, Saint Louis, MO 63110. Katharine Fash's primary practice is Washington University School of Medicine in Saint Louis, Missouri. Dmand AI also links Katharine Fash to 1 group practice or clinic.
What is Katharine Cella Fash's office phone number?
The practice phone on file for Katharine Fash is (314) 747-5192.
What is Katharine Cella Fash's medical license number?
Katharine Fash holds Missouri license 2019000563.
What medical group is Katharine Cella Fash part of?
Katharine Fash is linked to WashU Medicine Psychiatry.
Does Katharine Cella Fash accept Medicare?
Yes. CMS lists Katharine Fash as accepting Medicare assignment.
Does Katharine Cella Fash offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Katharine Fash as offering telehealth services.
What is Katharine Cella Fash's MIPS score?
Katharine Fash's MIPS final score for performance year 2024 is 84 out of 100, reported as part of a group.
How many Medicare patients does Katharine Cella Fash see?
CMS counts 173 Medicare patients who saw Katharine Fash in 2024, with an average age of 71.
Where did Katharine Cella Fash go to medical school?
Katharine Fash graduated from Vanderbilt University School of Medicine in 2018.
How long has Katharine Cella Fash been practicing?
Katharine Fash graduated from medical school in 2018, 8 years ago.
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