1. Home
  2. Directory
  3. California
  4. Fallbrook
  5. Obstetrics Gynecology
  6. NPI Profile

THERESA LYNN STIGEN M.D.
NPI 1851572986
Obstetrics & Gynecology in Fallbrook, CA

Active since November 16, 2007PECOS EnrolledAccepts Medicare Assignment
577 E ELDER ST STE K, FALLBROOK, CA 92028(760) 983-4024(760) 723-9010 Get Directions Write a Review

NPPES record last updated: December 21, 2021. Verified against the NPPES registry weekly; last sync: November 01, 2026.

Record update history: Dec 21, 2021, Feb 23, 2018 (2 updates tracked since 2018).

About Theresa Lynn Stigen M.d. NPPES

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

THERESA LYNN STIGEN M.D. (NPI 1851572986) is an individual obstetrics & gynecology provider in Fallbrook, California, licensed in California (A108021) and active in the NPI registry since November 2007. She is enrolled in Medicare PECOS and is a graduate of University Of California, San Diego School Of Medicine (2004).

NPPES Registry Identity

NPI1851572986
Entity TypeIndividualFemale
Primary Taxonomy207V00000X
Provider Legal NameTHERESA LYNN STIGENCredential: M.D.
Location Address577 E ELDER ST STE KFallbrook, CA 92028-3079
Mailing Address577 E Elder St Ste KFallbrook, CA 92028-3079 · (760) 983-4024 · Fax (760) 723-9010
Phone(760) 983-4024
Fax(760) 723-9010
Sole ProprietorNo
Medical School CMSUniversity Of California, San Diego School Of MedicineGraduated 2004
Enumeration DateNovember 16, 2007
Last NPPES UpdateDecember 21, 20212 updates tracked since enumeration
NPPES CertifiedDecember 21, 2021
✔ NPI 1851572986 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyObstetrics & GynecologyAllopathic & Osteopathic Physicians
Taxonomy Code207V00000X
License✔ Licensed in CA · A108021
Definition
An obstetrician/gynecologist possesses special knowledge, skills and professional capability in the medical and surgical care of the female reproductive system and associated disorders. This physician serves as a consultant to other physicians and as a primary physician for women.
577 E ELDER ST STE K, Fallbrook, CA 92028
Open in Google Maps ↗

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

Theresa Lynn Stigen M.d. 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 ID9931277001
PECOS Enrollment IDI20091007000634
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 Theresa Stigen reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Mystical Rose Obstetrics And Gynecology
Same address
Obstetrics & Gynecology
577 E ELDER ST STE K
Fallbrook, CA 92028
  • Reassigned Medicare billing, California enrollment
NPI 1851521231 (760) 983-4024
Obhg California, P.C.
1,992 mi
Obstetrics & Gynecology
777 LOWNDES HILL RD BLDG 1
Greenville, SC 29607
  • Reassigned Medicare billing, California enrollment
  • Medicare enrollment name: Obhg California PC
  • 711 clinicians in this Medicare group
NPI 1215258892 (800) 967-2289

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 92028 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
$140.22 typical visit price
range $62.10 – $184.71
Typical copayment $35.05 (range $15.52 – $46.17)
Most-billed visit code 99204
Established Patient
$76.87 typical visit price
range $20.62 – $151.42
Typical copayment $19.21 (range $5.15 – $37.85)
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.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

Reported Quality Measures

Breast Cancer Screening
13%38 patients1/55-star benchmark: 93%
Cervical Cancer Screening
6%323 patients1/55-star benchmark: 98%
Preventive Care and Screening: Body Mass Index (BMI) Screening and Follow-Up Plan
36%311 patients2/55-star benchmark: 98%
Preventive Care and Screening: Screening for High Blood Pressure and Follow-Up Documented
31%964 patients3/55-star benchmark: 61%
Preventive Care and Screening: Tobacco Use: Screening and Cessation Intervention
Patients screened: 0% · 184 patients
0%184 patients
Providers report different measures because they deliver different services; reporting more or less information is not a reflection of quality. Star ratings appear only where CMS assigned them.

Other Providers at the Same Location NPPES

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

MYSTICAL ROSE OBSTETRICS AND GYNECOLOGY
Obstetrics & Gynecology
577 E ELDER ST STE K
FALLBROOK, CA 92028
San Diego County (760) 983-4024

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 Theresa Stigen's NPI number?

The NPI number for Theresa Stigen is 1851572986. It was assigned to this individual provider in the NPPES registry on November 16, 2007.

Where is Theresa Stigen located?

Theresa Stigen practices at 577 E Elder St Ste K, Fallbrook, CA 92028. The listed phone number is (760) 983-4024.

What is Theresa Stigen's specialty?

The primary specialty registered for this NPI is Obstetrics & Gynecology with taxonomy code 207V00000X.

Is Theresa Stigen enrolled in Medicare?

Yes. Theresa Stigen 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 Theresa Stigen's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Theresa Stigen reassigns Medicare benefits to 2 organizations: Mystical Rose Obstetrics And Gynecology (Fallbrook, CA) and Obhg California, P.C. (Greenville, SC). 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 Theresa Stigen'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 Theresa Stigen was last updated on December 21, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 years 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.