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Dr. Michael Chris Ullery, MD
NPI1730167396
- Medicare services, 2018
- 1,513
- Part D claims, 2024
- 424
- Publications
- 4
- Hospital affiliations
- 1
- Industry payments
- $9,024
- Practice address
- 1800 N California St, Stockton, CA 95204
- Practice phone
- Call (209) 943-2000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Find Dr. Ullery's professional email, personal email and mobile number
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Dr. Michael Chris Ullery is an internist in Stockton, California
Dr. Ullery practices at Dignity Health - St. Joseph's Medical Center in Stockton, California, part of CommonSpirit Health.
Dr. Ullery's NPI, 1730167396, was assigned on January 4, 2006. Dr. Ullery graduated from David Geffen School of Medicine at UCLA in 1987. Dr. Ullery holds California license G65413.
NPI and contact details
- NPI
- 1730167396NPI Registry (opens in a new tab)
- NPI enumeration date
- January 4, 2006
- NPI status
- Active
- Practice phone
- (209) 943-2000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Medical school graduation
- 1987
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data
Dr. Michael Chris Ullery practices at Dignity Health - St. Joseph's Medical Center in Stockton, California
Dr. Ullery's primary practice is Dignity Health - St. Joseph's Medical Center, at 1800 N California St, Stockton, CA 95204 in San Joaquin County. The practice phone is (209) 943-2000.
- Dignity Health - St. Joseph's Medical Center1800 N California St, Stockton, CA 95204 · San Joaquin CountyPhone(209) 943-2000
Source: Dmand AI Affiliation Data
Dr. Michael Chris Ullery is affiliated with 2 sites of care
Dr. Ullery's primary practice is Dignity Health - St. Joseph's Medical Center in Stockton, California, part of CommonSpirit Health. Dmand AI also links Dr. Ullery to 1 physician office, 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 Chris Ullery's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Ullery practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Dignity Health - St. Joseph's Medical Center | Available with a free account |
| +1 more affiliated site | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Michael Chris Ullery is one of 16,751 internists in California
Internal medicine is Dr. Ullery's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Ullery is board certified in internal medicine by the American Board of Internal Medicine. Dr. Ullery is licensed in California.
Specialties and state licenses
- Internal medicine, CaliforniaPrimary
Internists near Dr. Ullery
Counts of internists with a Dmand AI profile, by place and practice. Each opens the list.
16,751internists in California365internists in Stockton32internists at Dignity Health - St. Joseph's Medical Center
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Michael Chris Ullery billed Medicare for 1,513 services in 2018
CMS data shows 1,513 Medicare services from Dr. Ullery across 14 procedure codes in 2018. Medicare paid $100,166 for them. Every service was in an office.
Medicare services, 20181,513
Paid by Medicare$100,166
Procedure codes14
Dr. Ullery's Medicare services by type, 2017 to 2018
- 2017
- 2018
- Office and hospital visits
- 2017: 2,0762018: 80561%
- Other services
- 2017: 9192018: 39557%
- Tests and treatments
- 2017: 8642018: 26869%
- Surgery
- 2017: 492018: 2549%
- Imaging
- 2017: 2252018: 2091%
- Drugs given in the office
- 2017: 1,8362018: 0100%
Dr. Ullery compared with the California median for internists, 2018
- Dr. Ullery
- California median
- Medicare services
- 1,513vs 3614.2 times
- Part D claims
- 197vs 42153% below
Medians across 15,815 internists in California with Dmand AI profiles that report each measure.
Dr. Ullery's most billed Medicare procedure codes, 2018
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. Ullery?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Ullery and other internists in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Michael Chris Ullery's patients have a median age of 69
Across all payers, Dmand AI patient panel data puts Dr. Ullery's median patient age at 69, with 37% women.
Dr. Ullery's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 69
Patient panel by sex, all payers
- Women37%
- Men62%
Source: Dmand AI Patient Panel Data
Dr. Michael Chris Ullery wrote 424 Medicare Part D claims in 2024
In 2024, Dr. Ullery wrote 424 Medicare Part D claims for 27 patients. 87% of them were for generic drugs. CMS names the drug for 197 of them, across 12 drugs with 11 or more claims each, at $5,947 in total drug cost. In 2023, CMS named 193 claims across 12 drugs.
Part D claims, 2024424
Drugs named by CMS12
Total drug cost$5,947
Part D patients27
Dr. Ullery's Part D claims by kind of drug, 2024
- Generic370 claims87%
- Brand-name54 claims13%
Dr. Ullery'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 Dr. Ullery's Part D claims, 2024
- Antibiotics5%20 of 424 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 1932024: 1972%
Drugs named by CMS: 12 in 2024, 12 in 2023.
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
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Dr. Michael Chris Ullery has 4 publications on record
Dmand AI links 4 papers to Dr. Ullery, published from 2013 to 2023. 2016 was the busiest year, with 2. The most frequent topics are Bacteremia, Bacteria and Spectrometry, Fluorescence. Dr. Ullery has published most often in mBio. Dr. Ullery's most frequent co-author is Mark E. Wilson, MD.
Papers4
Years published2013 to 2023
Dr. Ullery's papers by year, 2013 to 2023
Topics Dr. Ullery writes about most
- Bacteremia
- Bacteria
- Spectrometry, Fluorescence
Dr. Ullery's most frequent co-authors
Recent publications by Dr. Ullery
See who Dr. Ullery researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Ullery works with, so you can find a warm path to the right internists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Michael Chris Ullery received $9,024 in industry payments from 2016 to 2022
CMS Open Payments shows 678 general payments to Dr. Ullery from 38 drug and device companies from 2016 to 2022. Food and beverage make up the largest share, 99% of the total. Amgen Inc. paid the most, $1,269.
General payments to Dr. Ullery by program year, 2016 to 2022
General payments to Dr. Ullery by kind, 2016 to 2022
$9Kin total
- Food and beverage$8,97499%
- Education$501%
Companies that paid Dr. Ullery the most, 2016 to 2022
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Michael Chris Ullery has 1 award and honors on record
Dmand AI lists 1 award for Dr. Ullery.
Awards and honors for Dr. Ullery
- Undated
- Checkbook Top Doc
Source: Dmand AI Professional Profile Data
Dr. Michael Chris Ullery graduated from David Geffen School of Medicine at UCLA
Dr. Ullery graduated from David Geffen School of Medicine at UCLA in 1987.
- Medical school
- Board certified in internal medicine
Source: Dmand AI Professional Profile Data
Sources for Dr. Michael Chris Ullery'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 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) |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Awards and committee roles | Dmand AI Professional Profile Data |
| 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. Michael Chris Ullery
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 Chris Ullery's NPI number?
Dr. Michael Chris Ullery's NPI number is 1730167396. It was assigned on January 4, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Michael Chris Ullery?
Dr. Michael Chris Ullery is an internist in Stockton, California. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Michael Chris Ullery practice?
Dr. Ullery practices at 1800 N California St, Stockton, CA 95204. Dr. Ullery's primary practice is Dignity Health - St. Joseph's Medical Center in Stockton, California, part of CommonSpirit Health. Dmand AI also links Dr. Ullery to 1 physician office.
What is Dr. Michael Chris Ullery's office phone number?
The practice phone on file for Dr. Ullery is (209) 943-2000.
What is Dr. Michael Chris Ullery's medical license number?
Dr. Ullery holds California license G65413.
Which hospitals is Dr. Michael Chris Ullery affiliated with?
Dr. Ullery practices at Dignity Health - St. Joseph's Medical Center in Stockton, California.
Does Dr. Michael Chris Ullery accept Medicare?
Yes. CMS data shows Dr. Ullery billed Medicare for 1,513 services in 2018.
Is Dr. Michael Chris Ullery board certified?
Yes. Dr. Ullery is board certified in internal medicine by the American Board of Internal Medicine.
What services does Dr. Michael Chris Ullery bill to Medicare?
In 2018, Dr. Ullery's most billed Medicare services were office visit, established patient (99214), office visit, established patient (99213) and medicare service (G0439).
Where did Dr. Michael Chris Ullery go to medical school?
Dr. Ullery graduated from David Geffen School of Medicine at UCLA in 1987.
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What drugs does Dr. Michael Chris Ullery prescribe most?
In 2024 Medicare Part D data, Dr. Ullery's most prescribed drugs by claims were Valacyclovir, Levothyroxine Sodium and Rosuvastatin Calcium.
Has Dr. Michael Chris Ullery received payments from drug or device companies?
CMS Open Payments shows $9,024 in general payments to Dr. Ullery from 38 companies from 2016 to 2022. The largest total came from Amgen Inc.
How long has Dr. Michael Chris Ullery been practicing?
Dr. Ullery graduated from medical school in 1987, 39 years ago.
Does Dr. Michael Chris Ullery do research?
Dmand AI links 4 publications to Dr. Ullery, published from 2013 to 2023.
Who does Dr. Michael Chris Ullery publish with?
Dr. Ullery's most frequent co-authors are Mark E. Wilson, MD (1 shared paper).
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