James Darryl Gutzman, FNP, PA-C, RN
- Part D claims, 2024
- 10,728
- Hospital affiliations
- 1
- Industry payments
- $144
- Medical group
- 1
- State license
- 1
- Practice address
- 6425 Lynch Canyon Dr, Lake Isabella, CA 93240-9726
- Practice phone
- Call (760) 379-8630
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Sienna Wellness Institute
Primary care practice · Lake Isabella, California
Find James Gutzman'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.
James Darryl Gutzman is a physician assistant in Mountain Mesa, California
James Gutzman practices at Sienna Wellness Institute in Lake Isabella, California.
James Gutzman's NPI, 1295834844, was assigned on September 21, 2006. James Gutzman graduated from Stanford University School of Medicine in 2005. James Gutzman holds California license 18373.
- NPI
- 1295834844NPI Registry (opens in a new tab)
- Medicare PAC ID
- 9739352378
- NPI enumeration date
- September 21, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (760) 379-8630
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- 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)
James Darryl Gutzman practices at Sienna Wellness Institute in Lake Isabella, California
James Gutzman's primary practice is Sienna Wellness Institute, at 6425 Lynch Canyon Dr, Lake Isabella, CA 93240-9726. The practice phone is (760) 379-8630.
- Sienna Wellness Institute6425 Lynch Canyon Dr, Lake Isabella, CA 93240-9726Phone(760) 379-8630
Source: Dmand AI Affiliation Data
James Darryl Gutzman is affiliated with 4 sites of care and 1 medical group
James Gutzman's primary practice is Sienna Wellness Institute in Lake Isabella, California. James Gutzman is also affiliated with Kern Valley Hospital. The medical group on file is Sienna Wellness Institute. Dmand AI also links James Gutzman to 2 more home health agencies, each named with a free account.
Source: Dmand AI Affiliation Data
Dmand AI tracks the EHR system at James Darryl Gutzman's practice
Dmand AI tracks the electronic health record (EHR) system at each site where James Gutzman practices, 4 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Sienna Wellness Institute | Available with a free account |
| +3 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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James Darryl Gutzman is one of 11,482 physician assistants in California
Physician assistant is James Gutzman's primary specialty in the NPI Registry, under taxonomy code 363A00000X. James Gutzman is licensed in California.
Specialties and state licenses
- Physician assistant, CaliforniaPrimary
Clinical focus
Dmand AI lists muscle pain, fibromyalgia, and limb pain, shingles and UTI among the conditions James Gutzman treats.
Physician assistants near James Gutzman
Counts of physician assistants 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
James Darryl Gutzman's patients have a median age of 68
Across all payers, Dmand AI patient panel data puts James Gutzman's median patient age at 68, with 47% women.
James Gutzman'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
- Women47%
- Men53%
Source: Dmand AI Patient Panel Data
James Darryl Gutzman wrote 10,728 Medicare Part D claims in 2024
In 2024, James Gutzman wrote 10,728 Medicare Part D claims for 614 patients. 89% of them were for generic drugs. CMS names the drug for 9,921 of them, across 132 drugs with 11 or more claims each, at $567,695 in total drug cost.
James Gutzman's Part D claims by kind of drug, 2024
- Generic9,562 claims89%
- Brand-name1,119 claims10%
- Other47 claims0%
James Gutzman'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 James Gutzman's Part D claims, 2024
- Opioids12%1,247 of 10,728 claims
- Antibiotics3%304 of 10,728 claims
- Antipsychotics, patients 65 and over1%72 of 10,728 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
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 James Darryl Gutzman takes part in Medicare
James Gutzman 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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James Darryl Gutzman received $144 in industry payments from 2024 to 2025
CMS Open Payments shows 7 general payments to James Gutzman from 2 drug and device companies from 2024 to 2025. Food and beverage make up the largest share, 100% of the total. GlaxoSmithKline, LLC. paid the most, $129.
General payments to James Gutzman by program year, 2024 to 2025
Companies that paid James Gutzman the most, 2024 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
James Darryl Gutzman graduated from Stanford University School of Medicine
James Gutzman graduated from Stanford University School of Medicine in 2005.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for James Darryl Gutzman'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 Data |
| 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) |
| 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 James Darryl Gutzman
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is James Darryl Gutzman's NPI number?
James Darryl Gutzman's NPI number is 1295834844. It was assigned on September 21, 2006, and it is active in the NPI Registry.
What does James Darryl Gutzman specialize in?
James Darryl Gutzman is a physician assistant in Mountain Mesa, California. The primary specialty in the NPI Registry is Physician Assistant (taxonomy code 363A00000X).
Where does James Darryl Gutzman practice?
James Gutzman practices at 6425 Lynch Canyon Dr, Lake Isabella, CA 93240-9726. James Gutzman's primary practice is Sienna Wellness Institute in Lake Isabella, California. Dmand AI also links James Gutzman to 2 home health agencies.
What is James Darryl Gutzman's office phone number?
The practice phone on file for James Gutzman is (760) 379-8630.
What is James Darryl Gutzman's medical license number?
James Gutzman holds California license 18373.
Which hospitals is James Darryl Gutzman affiliated with?
James Gutzman is affiliated with Kern Valley Hospital.
What medical group is James Darryl Gutzman part of?
James Gutzman is linked to Sienna Wellness Institute.
Does James Darryl Gutzman accept Medicare?
Yes. CMS lists James Gutzman as accepting Medicare assignment.
Where did James Darryl Gutzman go to medical school?
James Gutzman graduated from Stanford University School of Medicine in 2005.
What drugs does James Darryl Gutzman prescribe most?
In 2024 Medicare Part D data, James Gutzman's most prescribed drugs by claims were Hydrocodone-Acetaminophen, Amlodipine Besylate and Lisinopril.
Has James Darryl Gutzman received payments from drug or device companies?
CMS Open Payments shows $144 in general payments to James Gutzman from 2 companies from 2024 to 2025. The largest total came from GlaxoSmithKline, LLC.
How long has James Darryl Gutzman been practicing?
James Gutzman graduated from medical school in 2005, 21 years ago.
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