DR. TAMERA HATFIELD (MD, PHD) – Maternal & Fetal Medicine Physician, NPI 1033390331

DR. TAMERA HATFIELD (MD, PHD) is a healthcare provider. based in Orange, California. specializing in OBSTETRICS/GYNECOLOGY. They hold the professional credentials MD, PHD. They hold a License No. A94383 (CA). The NPI Number for DR. TAMERA HATFIELD (MD, PHD) is 1033390331

Main info

Female
22 Years Of Experience
Accepts Medicare Assignment
Name
DR. TAMERA HATFIELD (MD, PHD)
NPI
1033390331
Phone
(714) 456-7186
Address
101 CITY DRIVE S.
Enumeration Date
15 November 2007
Last Update Date
4 March 2025

Doctor Profile

Medical School Name
UNIVERSITY OF CALIFORNIA, IRVINE, CALIFORNIA COLLEGE OF MEDICINE
Secondary Phone
7144567002
Graduation Year
2004 (22 years ago)
PAC ID
2163580416
Group Practice PAC ID
0143128009
Professional Enrollment ID
I20081015000520
Address ID
CA928683201OR101XXSXXX500
Data current as of
19 May 2026

Profile Insights

NPPES metrics only — not quality of care.

Methodology
Experience65
Completeness75
Years active:18State licenses:1Digital endpointsOther names

4,007 OBSTETRICS/GYNECOLOGY in CA

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Provider Addresses for DR. TAMERA HATFIELD (MD, PHD)

  • UCI Medical Center, 101, The City Drive South, Orange, Orange County, California, 92868, United States

    BUILDING 56 SUITE 800

    ORANGE, CA 928683201

    Phone: (714) 456-7186

    Fax: (714) 456-7091

    Type: Mailing

  • 200, South Manchester Avenue, West Anaheim, Anaheim, Orange County, California, 92802, United States

    SUITE 600

    ORANGE, CA 928683217

    Phone: (714) 456-2911

    Fax: (714) 456-8383

    Type: Location

NPPES updates history

No NPPES updates recorded for this provider.

Prescription Activity

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Open Payments (CMS)

No Open Payments data available for this provider.

This can happen when there are no reportable CMS Open Payments records.

Medicare Enrollment & Revalidation

Source: CMS public data · Not endorsed by CMS ·

Educational use only—not medical, billing, or legal advice.

PECOS enrollment status

Participating (accepts Medicare assignment)

Enrollment effective: 2008-10-15

PECOS data refreshed: 2026-05-27

Medicare revalidation (CMS due date list)

Due date not assigned yet

CMS is tracking this Medicare enrollment for revalidation, but has not published a due date.

Enrollment records

1

Earliest due date

Not assigned (TBD)

CMS data updated

2026-06-01

Revalidation progress

  1. Medicare enrolled
  2. On CMS revalidation list
  3. Due date assigned
  4. Revalidate in PECOS

CMS enrollment records

Enrollment IDTypeSpecialtyStateDue date
I20081015000520IObstetrics/GynecologyCATBD

What to do next

  • No action required while the due date shows TBD.
  • Check the CMS Revalidation Lookup Tool periodically — CMS updates the list about every 60 days.
  • Do not submit a revalidation application in PECOS until CMS publishes a concrete due date.

Verify on CMS Revalidation Lookup Tool

Prepare CMS-855 application → · Look up this NPI in PECOS → · Verify on CMS PECOS

Medicare Utilization (FFS)

Source: CMS public data · Not endorsed by CMS · Beneficiary counts under 11 are suppressed in source data ·

Educational use only—not medical, billing, or legal advice.

No Medicare fee-for-service utilization data available for this provider in our database.

Insurance plans in this area (ZIP 92868)

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Group practice members

Group practice members are other physicians who share the same Group Practice PAC ID with this doctor. When doctors form a group practice and register in PECOS as a single entity, they receive a shared identification number. This table lists all providers in the same group practice.
PAC ID: 0143128009View full group profile
NameSpecialtyState
O B S T E T R I C S/ G Y N E C O L O G YCA
O B S T E T R I C S/ G Y N E C O L O G YCO
O B S T E T R I C S/ G Y N E C O L O G YCA
O B S T E T R I C S/ G Y N E C O L O G YCA
O B S T E T R I C S/ G Y N E C O L O G YCA
O B S T E T R I C S/ G Y N E C O L O G YCA
Physician AssistantCA
Obstetrics/Gynecology, Gynecological OncologyCA
O B S T E T R I C S/ G Y N E C O L O G YCA
O B S T E T R I C S/ G Y N E C O L O G YCA

Reviews

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Frequently asked questions

Where can patients find DR. TAMERA HATFIELD (MD, PHD)'s NPI?
You can confirm DR. TAMERA HATFIELD (MD, PHD) with NPI 1033390331; it appears in the national provider directory.
Is DR. TAMERA HATFIELD (MD, PHD) currently active in the NPI registry?
CMS-published data lists DR. TAMERA HATFIELD (MD, PHD) as an active registrant.
What kind of provider is DR. TAMERA HATFIELD (MD, PHD)?
The page reflects Maternal & Fetal Medicine Physician for DR. TAMERA HATFIELD (MD, PHD). Clinical services aligned with this taxonomy classification.
What location shows for DR. TAMERA HATFIELD (MD, PHD)?
We surface Orange, California for DR. TAMERA HATFIELD (MD, PHD) based on available NPPES addresses.
What if Orange, California seems incomplete?
Street-level detail can be omitted — open the full address list for this NPI.

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