Dr. Dien X. Mach, MD
- Industry payments
- $335
- Medical group
- 1
- Insurance carriers
- 1
- State license
- 1
- Year NPI issued
- 2006
- Practice address
- 3102 E Highland Ave, Patton, CA 92369-7813
- Practice phone
- Call (916) 651-8811
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Department Of State Hospitals - Patton
Hospital · Patton, California
Find Dr. Mach'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. Dien X. Mach is a general practice physician in Patton, California
Dr. Mach practices at Department Of State Hospitals - Patton in Patton, California.
Dr. Mach's NPI, 1831141571, was assigned on May 17, 2006. Dr. Mach graduated from Perelman School of Medicine - Philadelphia in 1995. Dr. Mach holds California license A62737.
- NPI
- 1831141571NPI Registry (opens in a new tab)
- Medicare PAC ID
- 3375585334
- NPI enumeration date
- May 17, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (916) 651-8811
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 57
- Medical school graduation
- 1995
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Dien X. Mach practices at Department of State Hospitals - Patton in Patton, California
Dr. Mach's primary practice is Department of State Hospitals - Patton, at 3102 E Highland Ave, Patton, CA 92369-7813. The practice phone is (916) 651-8811.
- Department of State Hospitals - Patton3102 E Highland Ave, Patton, CA 92369-7813Phone(916) 651-8811
Source: Doctors and Clinicians National Downloadable File (CMS)
Dr. Dien X. Mach is affiliated with 1 site of care and 1 medical group
Dr. Mach's primary practice is Department Of State Hospitals - Patton in Patton, California. The medical group on file is Coalinga State Hospital.
Sources: Doctors and Clinicians National Downloadable File (CMS); and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Dien X. Mach's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Mach practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Department Of State Hospitals - Patton | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Dien X. Mach is one of 1,526 general practice physicians in California
General practice is Dr. Mach's primary specialty in the NPI Registry, under taxonomy code 208D00000X. Dr. Mach is board certified in family medicine by the American Board of Family Medicine. Dr. Mach is licensed in California.
Specialties and state licenses
- General practice, CaliforniaPrimary
General practice physicians near Dr. Mach
Counts of general practice physicians 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. Dien X. Mach's patients have a median age of 53
Across all payers, Dmand AI patient panel data puts Dr. Mach's median patient age at 53, with 0% women.
Dr. Mach's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 53
Patient panel by sex, all payers
- Women0%
- Men100%
Source: Dmand AI Patient Panel Data
How Dr. Dien X. Mach takes part in Medicare
Dr. Mach 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. Dien X. Mach received $335 in industry payments from 2017 to 2018
CMS Open Payments shows 3 general payments to Dr. Mach from 1 drug or device company from 2017 to 2018. Food and beverage make up the largest share, 100% of the total. Sunovion Pharmaceuticals Inc. paid the most, $335.
General payments to Dr. Mach by program year, 2017 to 2018
Companies that paid Dr. Mach the most, 2017 to 2018
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Dien X. Mach graduated from Perelman School of Medicine - Philadelphia
Dr. Mach graduated from Perelman School of Medicine - Philadelphia in 1995.
- Medical school
- Board certified in family medicine
Source: Dmand AI Professional Profile Data
Dr. Dien X. Mach accepts plans from 1 insurance carrier
Dr. Mach is in network with 1 carrier, including CMS Medicare. Medicare plans come from the most carriers, 1. Check the plan with the practice before a visit.
- CMS Medicare
Source: Dmand AI Insurance Network Data
Sources for Dr. Dien X. Mach'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 | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| Primary practice, affiliations and health system | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Dmand AI Affiliation 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) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| 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. Dien X. Mach
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. Dien X. Mach's NPI number?
Dr. Dien X. Mach's NPI number is 1831141571. It was assigned on May 17, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Dien X. Mach?
Dr. Dien X. Mach is a general practice physician in Patton, California. The primary specialty in the NPI Registry is General Practice Physician (taxonomy code 208D00000X).
Where does Dr. Dien X. Mach practice?
Dr. Mach practices at 3102 E Highland Ave, Patton, CA 92369-7813. Dr. Mach's primary practice is Department Of State Hospitals - Patton in Patton, California.
What is Dr. Dien X. Mach's office phone number?
The practice phone on file for Dr. Mach is (916) 651-8811.
What is Dr. Dien X. Mach's medical license number?
Dr. Mach holds California license A62737.
What medical group is Dr. Dien X. Mach part of?
Dr. Mach is linked to Coalinga State Hospital.
Does Dr. Dien X. Mach accept Medicare?
Yes. CMS lists Dr. Mach as accepting Medicare assignment.
Is Dr. Dien X. Mach board certified?
Yes. Dr. Mach is board certified in family medicine by the American Board of Family Medicine.
Where did Dr. Dien X. Mach go to medical school?
Dr. Mach graduated from Perelman School of Medicine - Philadelphia in 1995.
Has Dr. Dien X. Mach received payments from drug or device companies?
CMS Open Payments shows $335 in general payments to Dr. Mach from 1 company from 2017 to 2018. The largest total came from Sunovion Pharmaceuticals Inc.
How long has Dr. Dien X. Mach been practicing?
Dr. Mach graduated from medical school in 1995, 31 years ago.
What insurance does Dr. Dien X. Mach accept?
Dr. Mach is in network with 1 carrier, including CMS Medicare. Medicare plans come from the most carriers, 1. Check the plan with the practice before a visit.
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