Dr. Michael E. Ennis, MD
- Medicare services, 2024
- 29
- Medicare patients, 2024
- 61
- Hospital affiliations
- 1
- Medical groups
- 2
- Insurance carriers
- 6
- Practice address
- 100 Park Pl Suite 110, San Ramon, CA 94583
- Practice phone
- Call (925) 378-3624
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
NorCal Orthopedic Surgery Center
Surgery Center - Medicare-Certified · San Ramon, California
Find Dr. Ennis' professional email, personal email and mobile number
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Dr. Michael E. Ennis is an anesthesiologist in San Ramon, California
Dr. Ennis practices at NorCal Orthopedic Surgery Center in San Ramon, California.
Dr. Ennis' NPI, 1205914363, was assigned on November 2, 2006. Dr. Ennis graduated from Keck School of Medicine of USC in 1989. Dr. Ennis holds California license G70960.
- NPI
- 1205914363NPI Registry (opens in a new tab)
- Medicare PAC ID
- 9335324904
- NPI enumeration date
- November 2, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (925) 378-3624
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 63
- Medical school graduation
- 1989
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Michael E. Ennis practices at NorCal Orthopedic Surgery Center in San Ramon, California
Dr. Ennis' primary practice is NorCal Orthopedic Surgery Center, at 100 Park Pl Suite 110, San Ramon, CA 94583. The practice phone is (925) 378-3624.
- NorCal Orthopedic Surgery Center100 Park Pl Suite 110, San Ramon, CA 94583Phone(925) 378-3624
Source: Dmand AI Affiliation Data
Dr. Michael E. Ennis is affiliated with 2 sites of care and 2 medical groups
Dr. Ennis' primary practice is NorCal Orthopedic Surgery Center in San Ramon, California. Dr. Ennis is also affiliated with Walnut Creek Medical Center. The medical group on file is The Permanente Medical Group, Inc. Dmand AI also links Dr. Ennis 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. Michael E. Ennis' practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Ennis practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| NorCal Orthopedic Surgery Center | Available with a free account |
| +1 more site and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Michael E. Ennis is one of 6,593 anesthesiologists in California
Anesthesiology is Dr. Ennis' primary specialty in the NPI Registry, under taxonomy code 207L00000X. Dr. Ennis is board certified in anesthesiology by the American Board of Anesthesiology. Dr. Ennis is licensed in California.
Specialties and state licenses
- Anesthesiology, CaliforniaPrimary
Anesthesiologists near Dr. Ennis
Counts of anesthesiologists 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. Michael E. Ennis billed Medicare for 29 services in 2024
CMS data shows 29 Medicare services from Dr. Ennis across 2 procedure codes in 2024, for 61 Medicare patients. Medicare paid $5,487 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Ennis' Medicare services by type, 2024
- Anesthesia18
- Surgery11
Dr. Ennis compared with the California median for anesthesiologists, 2024
- Dr. Ennis
- California median
- Medicare services
- 29vs 7260% below
- Medicare patients
- 61vs 14357% below
Medians across 5,562 anesthesiologists in California with Dmand AI profiles that report each measure.
Dr. Ennis' most billed Medicare procedure codes, 2024
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
Need commercial claims for Dr. Ennis?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Ennis and other anesthesiologists in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Michael E. Ennis treated 61 Medicare patients in 2024, average age 71
CMS counts 61 Medicare patients who saw Dr. Ennis in 2024. The largest group is 65 to 74, with 41 patients. 75% of them have arthritis, and 75% have high cholesterol. Their average risk score is 0.90, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Ennis' median patient age at 58, with 60% women.
Dr. Ennis' Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Ennis' Medicare patients by sex, 2024
- Women3862%
- Men2338%
Chronic conditions among Dr. Ennis' Medicare patients, 2024
- Arthritis75%
- High cholesterol75%
- High blood pressure57%
- Diabetes21%
- Osteoporosis18%
Share of Medicare patients with each condition. A patient can have several.
Dr. Ennis' patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 58
Patient panel by sex, all payers
- Women60%
- Men30%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
How Dr. Michael E. Ennis takes part in Medicare
Dr. Ennis 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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Dr. Michael E. Ennis graduated from Keck School of Medicine of USC
Dr. Ennis graduated from Keck School of Medicine of USC in 1989.
- Medical school
- Board certified in anesthesiology
Source: Dmand AI Professional Profile Data
Dr. Michael E. Ennis accepts plans from 6 insurance carriers
Dr. Ennis is in network with 6 carriers, including United Healthcare, Aspirus Health Plan and Blue Cross and Blue Shield of Kansas City. PPO plans come from the most carriers, 3. Check the plan with the practice before a visit.
- United Healthcare
- Aspirus Health Plan
- Blue Cross and Blue Shield of Kansas City
- CMS Medicare
- Elevance
- HCSC
Plan types Dr. Ennis accepts, by number of carriers
- PPO3
- Medicare2
- POS2
- EPO1
- HMO1
Source: Dmand AI Insurance Network Data
Sources for Dr. Michael E. Ennis'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 services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - 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) |
| 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. Michael E. Ennis
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. Michael E. Ennis' NPI number?
Dr. Michael E. Ennis' NPI number is 1205914363. It was assigned on November 2, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Michael E. Ennis?
Dr. Michael E. Ennis is an anesthesiologist in San Ramon, California. The primary specialty in the NPI Registry is Anesthesiology Physician (taxonomy code 207L00000X).
Where does Dr. Michael E. Ennis practice?
Dr. Ennis practices at 100 Park Pl Suite 110, San Ramon, CA 94583. Dr. Ennis' primary practice is NorCal Orthopedic Surgery Center in San Ramon, California. Dmand AI also links Dr. Ennis to 1 medical group.
What is Dr. Michael E. Ennis' office phone number?
The practice phone on file for Dr. Ennis is (925) 378-3624.
What is Dr. Michael E. Ennis' medical license number?
Dr. Ennis holds California license G70960.
Which hospitals is Dr. Michael E. Ennis affiliated with?
Dr. Ennis is affiliated with Walnut Creek Medical Center.
What medical group is Dr. Michael E. Ennis part of?
Dr. Ennis is linked to The Permanente Medical Group, Inc. Dmand AI links Dr. Ennis to 1 more medical group.
Does Dr. Michael E. Ennis accept Medicare?
Yes. CMS data shows Dr. Ennis billed Medicare for 29 services in 2024, and Dr. Ennis accepts Medicare assignment.
How many Medicare patients does Dr. Michael E. Ennis see?
CMS counts 61 Medicare patients who saw Dr. Ennis in 2024, with an average age of 71.
Is Dr. Michael E. Ennis board certified?
Yes. Dr. Ennis is board certified in anesthesiology by the American Board of Anesthesiology.
Show 4 more questionsShow fewer questions
What services does Dr. Michael E. Ennis bill to Medicare?
In 2024, Dr. Ennis' most billed Medicare services were anesthesia (01214) and surgery: brain, spine and nerves (64447).
Where did Dr. Michael E. Ennis go to medical school?
Dr. Ennis graduated from Keck School of Medicine of USC in 1989.
How long has Dr. Michael E. Ennis been practicing?
Dr. Ennis graduated from medical school in 1989, 37 years ago.
What insurance does Dr. Michael E. Ennis accept?
Dr. Ennis is in network with 6 carriers, including United Healthcare, Aspirus Health Plan and Blue Cross and Blue Shield of Kansas City. PPO plans come from the most carriers, 3. Check the plan with the practice before a visit.
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