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DR. TAMERA HATFIELD MD, PHD
NPI 1033390331
Obstetrics & Gynecology - Maternal & Fetal Medicine in Orange, CA

Active since November 15, 2007PECOS EnrolledAccepts Medicare Assignment
200 S. MANCHESTER AVE, SUITE 600, ORANGE, CA 92868(714) 456-2911(714) 456-8383 Get Directions Write a Review

NPPES record last updated: March 4, 2025. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Dr. Tamera Hatfield Md, Phd NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. TAMERA HATFIELD MD, PHD (NPI 1033390331) is an individual maternal & fetal medicine provider in Orange, California, licensed in California (A94383) and active in the NPI registry since November 2007. She is enrolled in Medicare PECOS and is a graduate of University Of California, Irvine, California College Of Medicine (2004).

NPPES Registry Identity

NPI1033390331
Entity TypeIndividualFemale
Primary Taxonomy207VM0101X
Provider Legal NameDR. TAMERA HATFIELDCredential: MD, PHD
Location Address200 S. MANCHESTER AVE, SUITE 600Orange, CA 92868-3217
Mailing Address101 City Drive S., Building 56 Suite 800Orange, CA 92868-3201 · (714) 456-7186 · Fax (714) 456-7091
Phone(714) 456-2911
Fax(714) 456-8383
Sole ProprietorNo
Medical School CMSUniversity Of California, Irvine, California College Of MedicineGraduated 2004
Enumeration DateNovember 15, 2007
Last NPPES UpdateMarch 4, 2025
NPPES CertifiedMarch 4, 2025
✔ NPI 1033390331 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyObstetrics & Gynecology · Maternal & Fetal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207VM0101X
License✔ Licensed in CA · A94383
Definition
An obstetrician/gynecologist who cares for, or provides consultation on, patients with complications of pregnancy. This specialist has advanced knowledge of the obstetrical, medical and surgical complications of pregnancy and their effect on both the mother and the fetus. The specialist also possesses expertise in the most current diagnostic and treatment modalities used in the care of patients with complicated pregnancies.
Also ListedObstetrics & GynecologyTaxonomy 207V00000X · License A94383 (CA)
200 S. MANCHESTER AVE, Orange, CA 92868
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Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. Tamera Hatfield Md, Phd is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID2163580416
PECOS Enrollment IDI20081015000520
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignments

2

Medicare enrollment records show Tamera Hatfield reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Regents Of The University Of California
0.2 mi
Obstetrics & Gynecology
101 CITY DRIVE SOUTH, BLDG 56 SUITE 800
Orange, CA 92868
  • Reassigned Medicare billing, California enrollment
  • 149 clinicians in this Medicare group
NPI 1356304034 (714) 456-6431
University Of California Irvine
3.0 mi
Federally Qualified Health Center (FQHC)
800 N MAIN ST
Santa Ana, CA 92701
  • Reassigned Medicare billing, California enrollment
  • 255 clinicians in this Medicare group
NPI 1851325906 (714) 456-6785

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 92868 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$142.39 typical visit price
range $62.96 – $187.60
Typical copayment $35.59 (range $15.74 – $46.90)
Most-billed visit code 99204
Established Patient
$77.96 typical visit price
range $20.84 – $153.61
Typical copayment $19.49 (range $5.21 – $38.40)
Most-billed visit code 99213
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 11

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

AHMED NASIR MOHAMED ALSUWA ALZAABI M.D
Student in an Organized Health Care Education/Training Program
200 S. MANCHESTER AVE, SUITE 206
ORANGE, CA 92868
Orange County (714) 456-2356
DR. CAROL ANN MAJOR MD
Obstetrics & Gynecology (Maternal & Fetal Medicine)
200 S. MANCHESTER AVE, SUITE 600
ORANGE, CA 92868
Orange County (714) 456-2911
AHOLIBAMA RUIZ PHD
Clinical Neuropsychologist
200 S. MANCHESTER AVE, SUITE 222
ORANGE, CA 92868
Orange County (714) 385-2909
KEVIN M VUCHINICH MD
Obstetrics & Gynecology
200 S. MANCHESTER AVE, SUITE 600
ORANGE, CA 92868
Orange County (714) 456-2911
MANUEL PORTO MD
Obstetrics & Gynecology (Maternal & Fetal Medicine)
200 S. MANCHESTER AVE, SUITE 600
ORANGE, CA 92868
Orange County (714) 456-2911
NAGHMEH SALAMAT-SABERI MD
Obstetrics & Gynecology (Gynecology)
200 S. MANCHESTER AVE, SUITE 600
ORANGE, CA 92868
Orange County (714) 456-2911
DR. TABETHA RIDGWAY HARKEN MD, MPH
Obstetrics & Gynecology
200 S. MANCHESTER AVE, SUITE 600
ORANGE, CA 92868
Orange County (714) 456-2911
KAREN NOBLETT MD
Obstetrics & Gynecology (Gynecology)
200 S. MANCHESTER AVE, SUITE 600
ORANGE, CA 92868
Orange County (714) 456-2911

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Tamera Hatfield's NPI number?

The NPI number for Tamera Hatfield is 1033390331. It was assigned to this individual provider in the NPPES registry on November 15, 2007.

Where is Tamera Hatfield located?

Tamera Hatfield practices at 200 S. Manchester Ave Suite 600, Orange, CA 92868. The listed phone number is (714) 456-2911.

What is Tamera Hatfield's specialty?

The primary specialty registered for this NPI is Obstetrics & Gynecology, specializing in Maternal & Fetal Medicine, with taxonomy code 207VM0101X.

Is Tamera Hatfield enrolled in Medicare?

Yes. Tamera Hatfield is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Which organizations bill Medicare for Tamera Hatfield's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Tamera Hatfield reassigns Medicare benefits to 2 organizations: Regents Of The University Of California (Orange, CA) and University Of California Irvine (Santa Ana, CA). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Tamera Hatfield's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Tamera Hatfield was last updated on March 4, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.