Dr. Tamera J. Hatfield, MD, PhD
- Publications
- 13
- MIPS score, 2024
- 100
- Hospital affiliations
- 1
- Industry payments
- $149
- Medical groups
- 3
- Practice address
- 1100 West Stewart Dr, Orange, CA 92868
- Practice phone
- Call (714) 633-9111
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Hatfield'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. Tamera J. Hatfield is a maternal-fetal medicine specialist in Orange, California
Dr. Hatfield practices at Providence St. Joseph Hospital Orange in Orange, California, part of Providence Health & Services.
Dr. Hatfield's NPI, 1033390331, was assigned on November 15, 2007. Dr. Hatfield graduated from UC Irvine School of Medicine in 2004. Dr. Hatfield's California license number on file is A94383.
- NPI
- 1033390331NPI Registry (opens in a new tab)
- Medicare PAC ID
- 2163580416
- NPI enumeration date
- November 15, 2007
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (714) 633-9111
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 48
- Medical school graduation
- 2004
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Tamera J. Hatfield practices at Providence St. Joseph Hospital Orange in Orange, California
Dr. Hatfield's primary practice is Providence St. Joseph Hospital Orange, at 1100 West Stewart Dr, Orange, CA 92868 in Orange County. The practice phone is (714) 633-9111.
- Providence St. Joseph Hospital Orange1100 West Stewart Dr, Orange, CA 92868 · Orange CountyPhone(714) 633-9111
Source: Dmand AI Affiliation Data
Dr. Tamera J. Hatfield is affiliated with 3 sites of care and 3 medical groups
Dr. Hatfield's primary practice is Providence St. Joseph Hospital Orange in Orange, California, part of Providence Health & Services. The medical group on file is OB/GYN University Associates. Dmand AI also links Dr. Hatfield to 2 more group practices and clinics and 2 medical groups, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Tamera J. Hatfield's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Hatfield practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Providence St. Joseph Hospital Orange | Available with a free account |
| +2 more sites and 2 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
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Dr. Tamera J. Hatfield is one of 318 maternal-fetal medicine specialists in California
Maternal and fetal medicine is Dr. Hatfield's primary specialty in the NPI Registry, under taxonomy code 207VM0101X. Dr. Hatfield is board certified in maternal-fetal medicine by the American Board of Obstetrics and Gynecology. Dr. Hatfield has a license on file in California.
Specialties and state licenses
- Maternal and fetal medicine, CaliforniaPrimary
Maternal-fetal medicine specialists near Dr. Hatfield
Counts of maternal-fetal medicine specialists 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. Tamera J. Hatfield's patients have a median age of 33
Across all payers, Dmand AI patient panel data puts Dr. Hatfield's median patient age at 33, with 99% women.
Dr. Hatfield's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 33
Patient panel by sex, all payers
- Women99%
- Men0%
Source: Dmand AI Patient Panel Data
Dr. Tamera J. Hatfield scored 100 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 100 out of 100 for Dr. Hatfield for performance year 2024, reported through an alternative payment model (APM). Dr. Hatfield accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Dr. Hatfield's MIPS scores, performance year 2024
- 100of 100Final score
- 83.7of 100Quality
- 100of 100Promoting Interoperability
- 40of 100Improvement Activities
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Sources: Doctors and Clinicians National Downloadable File (CMS); and Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026
Dr. Tamera J. Hatfield has 13 publications on record
Dmand AI links 13 papers to Dr. Hatfield, published from 2007 to 2023. 2009 was the busiest year, with 3. The most frequent topics are Pregnancy Outcome, Gestational Age and Hypertension. Dr. Hatfield has published most often in Am J Obstet Gynecol. Dr. Hatfield's most frequent co-authors are Judith Hyunsuk Chung, MD, Jennifer A. Jolley, MD and William A. Grobman, MD.
Dr. Hatfield's papers by year, 2007 to 2023
Topics Dr. Hatfield writes about most
- Pregnancy Outcome
- Gestational Age
- Hypertension
- Pregnancy Complications
- Ultrasonography, Prenatal
Dr. Hatfield's most frequent co-authors
- Judith Hyunsuk Chung, MD3 shared papers
- Jennifer A. Jolley, MD3 shared papers
- William A. Grobman, MD2 shared papers
Recent publications by Dr. Hatfield
J Matern Fetal Neonatal Med
Inborn Versus Outborn Delivery in Neonates With Congenital Diaphragmatic Hernia (opens in a new tab)
J Surg Res
J Matern Fetal Neonatal Med
See who Dr. Hatfield researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Hatfield works with, so you can find a warm path to the right maternal-fetal medicine specialists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Tamera J. Hatfield received $149 in industry payments in 2016
CMS Open Payments shows 2 general payments to Dr. Hatfield from 2 drug and device companies in 2016. Food and beverage make up the largest share, 100% of the total. Hologic Inc paid the most, $96.
Companies that paid Dr. Hatfield the most, 2016 to 2016
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Tamera J. Hatfield has 3 awards and honors on record
Dmand AI lists 3 awards for Dr. Hatfield, most recently Orange County Physician of Excellence in 2019.
Awards and honors for Dr. Hatfield
- 2019
- Orange County Physician of Excellence
- 2017
- Physician of Excellence
- Undated
- ACOG Fellow
Source: Dmand AI Professional Profile Data
Dr. Tamera J. Hatfield graduated from UC Irvine School of Medicine
Dr. Hatfield graduated from UC Irvine School of Medicine in 2004. Dr. Hatfield is a member of American College of Obstetricians and Gynecologists.
- Medical school
- Board certified in maternal-fetal medicine
- Board certified in obstetrics & gynecology
- Board certified in clinical informatics
Source: Dmand AI Professional Profile Data
Dr. Tamera J. Hatfield accepts plans from 12 insurance carriers
Dr. Hatfield is in network with 12 carriers, including Aetna, Blue Cross Blue Shield of Michigan and United Healthcare. PPO plans come from the most carriers, 8. Check the plan with the practice before a visit.
- Aetna
- Blue Cross Blue Shield of Michigan
- United Healthcare
- Elevance
- HCSC
- Blue Cross Blue Shield of Massachusetts
- Regence Health Plans
- Alliant Health Plans
- +4 more carriersWith a free account
Plan types Dr. Hatfield accepts, by number of carriers
- PPO8
- Medicare7
- HMO6
- POS4
- EPO3
Source: Dmand AI Insurance Network Data
Sources for Dr. Tamera J. Hatfield'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)Clinician Public Reporting: Overall MIPS Performance (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 |
| 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. Tamera J. Hatfield
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. Tamera J. Hatfield's NPI number?
Dr. Tamera J. Hatfield's NPI number is 1033390331. It was assigned on November 15, 2007, and it is active in the NPI Registry.
What kind of doctor is Dr. Tamera J. Hatfield?
Dr. Tamera J. Hatfield is a maternal-fetal medicine specialist in Orange, California. The primary specialty in the NPI Registry is Maternal & Fetal Medicine Physician (taxonomy code 207VM0101X).
Where does Dr. Tamera J. Hatfield practice?
Dr. Hatfield practices at 1100 West Stewart Dr, Orange, CA 92868. Dr. Hatfield's primary practice is Providence St. Joseph Hospital Orange in Orange, California, part of Providence Health & Services. Dmand AI also links Dr. Hatfield to 2 group practices and clinics and 2 medical groups.
What is Dr. Tamera J. Hatfield's office phone number?
The practice phone on file for Dr. Hatfield is (714) 633-9111.
What is Dr. Tamera J. Hatfield's medical license number?
Dr. Hatfield's California license number on file is A94383.
Which hospitals is Dr. Tamera J. Hatfield affiliated with?
Dr. Hatfield practices at Providence St. Joseph Hospital Orange in Orange, California.
What medical group is Dr. Tamera J. Hatfield part of?
Dr. Hatfield is linked to OB/GYN University Associates. Dmand AI links Dr. Hatfield to 2 more medical groups.
Does Dr. Tamera J. Hatfield accept Medicare?
Yes. CMS lists Dr. Hatfield as accepting Medicare assignment.
What is Dr. Tamera J. Hatfield's MIPS score?
Dr. Hatfield's MIPS final score for performance year 2024 is 100 out of 100, reported through an alternative payment model (APM).
Is Dr. Tamera J. Hatfield board certified?
Yes. Dr. Hatfield is board certified in maternal-fetal medicine by the American Board of Obstetrics and Gynecology.
Show 6 more questionsShow fewer questions
Where did Dr. Tamera J. Hatfield go to medical school?
Dr. Hatfield graduated from UC Irvine School of Medicine in 2004.
Has Dr. Tamera J. Hatfield received payments from drug or device companies?
CMS Open Payments shows $149 in general payments to Dr. Hatfield from 2 companies from 2016 to 2016. The largest total came from Hologic Inc.
How long has Dr. Tamera J. Hatfield been practicing?
Dr. Hatfield graduated from medical school in 2004, 22 years ago.
Does Dr. Tamera J. Hatfield do research?
Dmand AI links 13 publications to Dr. Hatfield, published from 2007 to 2023.
Who does Dr. Tamera J. Hatfield publish with?
Dr. Hatfield's most frequent co-authors are Judith Hyunsuk Chung, MD (3 shared papers), Jennifer A. Jolley, MD (3 shared papers) and William A. Grobman, MD (2 shared papers).
What insurance does Dr. Tamera J. Hatfield accept?
Dr. Hatfield is in network with 12 carriers, including Aetna, Blue Cross Blue Shield of Michigan and United Healthcare. PPO plans come from the most carriers, 8. Check the plan with the practice before a visit.
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