Jillian Durrell Geissler, NP

  • Petaluma, CA
  • Family nurse practitioner
NPI1780132324PAC ID3072801190
Part D claims, 2024
406
Affiliated sites
1
Medical groups
2
State license
1
Year NPI issued
2016
Practice address
1179 N McDowell Blvd, Petaluma, CA 94954
Practice phone
Call (707) 559-7500
Professional email
Get professional email
Personal email
Get personal email
Mobile number
Get mobile number
Social profiles

Primary practice

Rohnert Park Health Center

Petaluma, California

See all 4 affiliations

Find Jillian Geissler'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.

View contacts for free

Jillian Durrell Geissler is a family nurse practitioner in Petaluma, California

Jillian Geissler practices at Rohnert Park Health Center in Petaluma, California.

Jillian Geissler's NPI, 1780132324, was assigned on September 12, 2016. Jillian Geissler holds California license 95004952.

NPI and contact details
Medicare PAC ID
3072801190
NPI enumeration date
September 12, 2016
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(707) 559-7500
Professional email
Get email
Personal email
Get email
Mobile number
Get number
Sex
Female
Estimated age
36
Medical school graduation
2016

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)

Jillian Durrell Geissler practices at Rohnert Park Health Center in Petaluma, California

Jillian Geissler's primary practice is Rohnert Park Health Center, at 1179 N McDowell Blvd, Petaluma, CA 94954 in Sonoma County. The practice phone is (707) 559-7500.

  • Rohnert Park Health Center
    1179 N McDowell Blvd, Petaluma, CA 94954 · Sonoma CountyPhone(707) 559-7500

Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data

Jillian Durrell Geissler is affiliated with 2 sites of care and 2 medical groups

Jillian Geissler's primary practice is Rohnert Park Health Center in Petaluma, California. The medical group on file is Petaluma Health Center. Dmand AI also links Jillian Geissler to 1 more community health center and 1 medical group, each named with a free account.

See all 4 affiliations for Jillian Geissler

Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data

Dmand AI tracks the EHR system at Jillian Durrell Geissler's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Jillian Geissler practices. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Rohnert Park Health CenterAvailable with a free account
+1 more site and 1 medical groupAvailable with a free account

Source: Dmand AI Technology Install Data

For health IT teams

See the EHR and IT leaders at every site where Jillian Geissler 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.

Jillian Durrell Geissler is one of 13,532 family nurse practitioners in California

Family is Jillian Geissler's primary specialty in the NPI Registry, under taxonomy code 363LF0000X. Jillian Geissler is licensed in California.

Specialties and state licenses

  • Family nurse practitioner, CaliforniaPrimaryLicense 95039705 · taxonomy 363LF0000X

Family nurse practitioners near Jillian Geissler

Counts of family 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

Jillian Durrell Geissler's patients have a median age of 44

Across all payers, Dmand AI patient panel data puts Jillian Geissler's median patient age at 44, with 78% women.

Jillian Geissler'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

  • Women78%
  • Men22%

Source: Dmand AI Patient Panel Data

Jillian Durrell Geissler wrote 406 Medicare Part D claims in 2024

In 2024, Jillian Geissler wrote 406 Medicare Part D claims for 84 patients. 89% of them were for generic drugs. CMS names the drug for 149 of them, across 7 drugs with 11 or more claims each, at $1,019 in total drug cost.

Part D claims, 2024406
Drugs named by CMS7
Total drug cost$1,019
Part D patients84

Jillian Geissler's Part D claims by kind of drug, 2024

  • Generic363 claims89%
  • Brand-name and other43 claims11%

Jillian Geissler'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.

See all prescribing by Jillian Geissler

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 Jillian Durrell Geissler takes part in Medicare

Jillian Geissler 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)

For MedTech and pharma teams

Find family nurse practitioners like Jillian Geissler 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.

Sources for Jillian Durrell Geissler's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data
Primary practice, affiliations and health systemNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation DataDmand AI Org Hierarchy Data
Medicare patients and the all-payer patient panelDmand AI Patient Panel Data
Part D prescribingMedicare 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 percentilesDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand AI Affiliation Data

Data last refreshed October 2026Report an inaccuracyRemove my information

FAQ

Frequently asked questions about Jillian Durrell Geissler

Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.

What is Jillian Durrell Geissler's NPI number?

Jillian Durrell Geissler's NPI number is 1780132324. It was assigned on September 12, 2016, and it is active in the NPI Registry.

What does Jillian Durrell Geissler specialize in?

Jillian Durrell Geissler is a family nurse practitioner in Petaluma, California. The primary specialty in the NPI Registry is Family Nurse Practitioner (taxonomy code 363LF0000X).

Where does Jillian Durrell Geissler practice?

Jillian Geissler practices at 1179 N McDowell Blvd, Petaluma, CA 94954. Jillian Geissler's primary practice is Rohnert Park Health Center in Petaluma, California. Dmand AI also links Jillian Geissler to 1 community health center and 1 medical group.

What is Jillian Durrell Geissler's office phone number?

The practice phone on file for Jillian Geissler is (707) 559-7500.

What is Jillian Durrell Geissler's medical license number?

Jillian Geissler holds California license 95004952.

What medical group is Jillian Durrell Geissler part of?

Jillian Geissler is linked to Petaluma Health Center. Dmand AI links Jillian Geissler to 1 more medical group.

Does Jillian Durrell Geissler accept Medicare?

Yes. CMS lists Jillian Geissler as accepting Medicare assignment.

What drugs does Jillian Durrell Geissler prescribe most?

In 2024 Medicare Part D data, Jillian Geissler's most prescribed drugs by claims were Atorvastatin Calcium, Lisinopril and Amlodipine Besylate.

How long has Jillian Durrell Geissler been practicing?

Jillian Geissler graduated from medical school in 2016, 10 years ago.

Selling to family practices?

See family nurse practitioners 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

Cookie settings

Turn each category on or off. Your choice is kept for 12 months and you can change it here at any time.

Necessary

Always on. Sign-in, security, downloads you asked for, your cookie choice, and the page that led to a signup.

View cookies (6)
  • dm_consentDmand AI. Your cookie choices and whether your browser sent a Global Privacy Control signal. 12 months.
  • dm_ft, dm_ltDmand AI. The first and the latest page you arrived on, with the date, so a signup is credited to the page that worked. 90 days, 30 days.
  • dm_fs, dm_lsDmand AI. The first and the latest source of a visit (a search engine, a campaign or the site that linked here). 90 days, 30 days.
  • dm_dl, dm_dl_okDmand AI. After you give an email address for a download, lets you download files without being asked again. 30 days.
  • Session and CSRF cookiesDmand AI (app.dmand.ai). Sign-in and form protection in the application. Session.
  • __cf_bm, cf_clearanceCloudflare. Tells people from automated traffic and keeps the site available. 30 minutes; cf_clearance while a security check is valid.

Analytics

On unless you turn it off. How pages are used, in aggregate, and recordings of how pages are used.

View cookies (6)
  • Google Tag ManagerGoogle. Loads the analytics and marketing tags that are on. Sets no cookie of its own and does not load when both categories are off. n/a.
  • _ga, _ga_<container-id>Google Analytics 4. Visits and page views in aggregate on dmand.ai. 2 years.
  • _clck, _clskMicrosoft Clarity. Recordings and heatmaps of how pages are used, with form fields masked. 1 year, 1 day.
  • CLID, MUID, ANONCHK, MR, SMMicrosoft (clarity.ms). Set by Microsoft when Clarity loads, to recognize a browser across sites that use Clarity. Up to 1 year.
  • None (cookieless)Ahrefs Analytics. Page views in aggregate. n/a.
  • ph_<project>_posthogPostHog. Product usage, errors and performance in app.dmand.ai, used to fix bugs and improve features. 365 days.

Marketing

On unless you turn it off, and always off when your browser sends a Global Privacy Control signal. A visitor identification service tells our sales team which companies and people visit.

View cookies (6)
  • _reb2buid, _reb2butkRB2B. Recognizes a returning browser for visitor identification. 360 days, 1 year.
  • _reb2bgeoRB2B. The location used to decide whether a visit can be identified. 20 days.
  • _reb2brefRB2B. The page or site that referred the visit. 15 days.
  • _reb2bfxf, _reb2btd, _reb2bliRB2B. Links the visit to an identified business profile. 1 month.
  • _reb2bresolveRB2B. Holds a match while it is being resolved. 2 days.
  • _reb2sessionID, _reb2bloadedRB2B. The current visit, and a guard against loading the script twice. 30 minutes, 1 second.

Functional

On unless you turn it off. Remembers choices such as a collapsed section.

View cookies (none today)