Dr. Samuel John Fesenmeier, DO
- Affiliated sites
- 1
- Medical groups
- 2
- State license
- 1
- Year NPI issued
- 2019
- Practice address
- 85 Sierra Park Road, Mammoth Lakes, CA 93546
- Practice phone
- Call (760) 934-3311
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Mammoth Hospital - Clinic
Rural Health Clinic - Hospital-Owned · Mammoth Lakes, California
Find Dr. Fesenmeier'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. Samuel John Fesenmeier is a psychiatrist in Mammoth Lakes, California
Dr. Fesenmeier practices at Mammoth Hospital - Clinic in Mammoth Lakes, California.
Dr. Fesenmeier's NPI, 1952860587, was assigned on March 13, 2019. Dr. Fesenmeier graduated from Marian University College of Osteopathic Medicine in 2019. Dr. Fesenmeier holds Hawaii license DOS-2139.
- NPI
- 1952860587NPI Registry (opens in a new tab)
- Medicare PAC ID
- 8022598465
- NPI enumeration date
- March 13, 2019
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (760) 934-3311
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 33
- Medical school graduation
- 2019
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Samuel John Fesenmeier practices at Mammoth Hospital - Clinic in Mammoth Lakes, California
Dr. Fesenmeier's primary practice is Mammoth Hospital - Clinic, at 85 Sierra Park Road, Mammoth Lakes, CA 93546. The practice phone is (760) 934-3311.
- Mammoth Hospital - Clinic85 Sierra Park Road, Mammoth Lakes, CA 93546Phone(760) 934-3311
Source: Dmand AI Affiliation Data
Dr. Samuel John Fesenmeier is affiliated with 1 site of care and 2 medical groups
Dr. Fesenmeier's primary practice is Mammoth Hospital - Clinic in Mammoth Lakes, California. The medical group on file is Mammoth Hospital. Dmand AI also links Dr. Fesenmeier to 1 more medical group, named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Samuel John Fesenmeier's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Fesenmeier practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Mammoth Hospital - Clinic | Available with a free account |
| +1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Samuel John Fesenmeier is one of 6,803 psychiatrists in California
Psychiatry is Dr. Fesenmeier's primary specialty in the NPI Registry, under taxonomy code 2084P0800X. Dr. Fesenmeier is licensed in Hawaii.
Specialties and state licenses
- Psychiatry, HawaiiPrimary
Psychiatrists near Dr. Fesenmeier
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. Samuel John Fesenmeier's patients have a median age of 39
Across all payers, Dmand AI patient panel data puts Dr. Fesenmeier's median patient age at 39, with 88% women.
Dr. Fesenmeier's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 39
Patient panel by sex, all payers
- Women88%
- Men13%
Source: Dmand AI Patient Panel Data
How Dr. Samuel John Fesenmeier takes part in Medicare
Dr. Fesenmeier 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)
Dr. Samuel John Fesenmeier graduated from Marian University College of Osteopathic Medicine
Dr. Fesenmeier graduated from Marian University College of Osteopathic Medicine in 2019.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Samuel John Fesenmeier'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 patients and the all-payer patient panel | Dmand AI Patient Panel Data |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (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 Dr. Samuel John Fesenmeier
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. Samuel John Fesenmeier's NPI number?
Dr. Samuel John Fesenmeier's NPI number is 1952860587. It was assigned on March 13, 2019, and it is active in the NPI Registry.
What kind of doctor is Dr. Samuel John Fesenmeier?
Dr. Samuel John Fesenmeier is a psychiatrist in Mammoth Lakes, California. The primary specialty in the NPI Registry is Psychiatry Physician (taxonomy code 2084P0800X).
Where does Dr. Samuel John Fesenmeier practice?
Dr. Fesenmeier practices at 85 Sierra Park Road, Mammoth Lakes, CA 93546. Dr. Fesenmeier's primary practice is Mammoth Hospital - Clinic in Mammoth Lakes, California. Dmand AI also links Dr. Fesenmeier to 1 medical group.
What is Dr. Samuel John Fesenmeier's office phone number?
The practice phone on file for Dr. Fesenmeier is (760) 934-3311.
What is Dr. Samuel John Fesenmeier's medical license number?
Dr. Fesenmeier holds Hawaii license DOS-2139.
What medical group is Dr. Samuel John Fesenmeier part of?
Dr. Fesenmeier is linked to Mammoth Hospital. Dmand AI links Dr. Fesenmeier to 1 more medical group.
Does Dr. Samuel John Fesenmeier accept Medicare?
Yes. CMS lists Dr. Fesenmeier as accepting Medicare assignment.
Where did Dr. Samuel John Fesenmeier go to medical school?
Dr. Fesenmeier graduated from Marian University College of Osteopathic Medicine in 2019.
How long has Dr. Samuel John Fesenmeier been practicing?
Dr. Fesenmeier graduated from medical school in 2019, 7 years ago.
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