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DR. JOANNA EVA ADAMCZAK M.D.
NPI 1447428420
Obstetrics & Gynecology - Maternal & Fetal Medicine in San Diego, CA

Active since February 13, 2008PECOS Enrolled
8010 FROST ST, STE 300, SAN DIEGO, CA 92123(858) 939-6880 Get Directions Write a Review

NPPES record last updated: December 9, 2011. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Dr. Joanna Eva Adamczak M.d. NPPES

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

DR. JOANNA EVA ADAMCZAK M.D. (NPI 1447428420) is an individual maternal & fetal medicine provider in San Diego, California, licensed in California (A116982) and active in the NPI registry since February 2008. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1447428420
Entity TypeIndividualFemale
Primary Taxonomy207VM0101X
Provider Legal NameDR. JOANNA EVA ADAMCZAKCredential: M.D.
Location Address8010 FROST ST, STE 300San Diego, CA 92123-2778
Mailing Address3860 Calle Fortunada, Ste #210San Diego, CA 92123-4802 · (858) 309-6303 · Fax (858) 309-6301
Phone(858) 939-6880
Sole ProprietorNo
Enumeration DateFebruary 13, 2008
Last NPPES UpdateDecember 9, 2011
✔ NPI 1447428420 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 · A116982
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 A116982 (CA)
8010 FROST ST, San Diego, CA 92123
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 (PECOS)

Dr. Joanna Eva Adamczak M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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 Joanna Adamczak reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Rady Children's Hospital San Diego
0.3 mi
Pediatrics
3020 CHILDRENS WAY
San Diego, CA 92123
  • Reassigned Medicare billing, California enrollment
  • 562 clinicians in this Medicare group
NPI 1669617197 (858) 966-5911
United Medical Doctors
56 mi
Gastroenterology
28078 BAXTER RD STE 530
Murrieta, CA 92563
  • Reassigned Medicare billing, California enrollment
  • 240 clinicians in this Medicare group
NPI 1770559981 (951) 566-5229

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 92123 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.

Other Providers at the Same Location NPPES 20

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

DR. ROBERT J MANLY M.D.
Surgery
8010 FROST ST
SAN DIEGO, CA 92123
San Diego County (858) 939-8350
DR. ROBERT M. ADAMSON M.D.
Thoracic Surgery (Cardiothoracic Vascular Surgery)
8010 FROST ST, SUITE 408
SAN DIEGO, CA 92123
San Diego County (858) 939-7471
DR. ALLAN GAMAGAMI M.D.
Surgery
8010 FROST ST, 2ND FLR
SAN DIEGO, CA 92123
San Diego County (858) 499-2600
DR. LISA S MILLER MD
Orthopaedic Surgery (Pediatric Orthopaedic Surgery)
8010 FROST ST, SUITE 406
SAN DIEGO, CA 92123
San Diego County (858) 467-1899
DR. SUSAN BOIKO MD
Dermatology (Pediatric Dermatology)
8010 FROST ST, STE 602
SAN DIEGO, CA 92123
San Diego County (858) 966-6795
CHILDREN'S SPECIALISTS OF SAN DIEGO - DIV OF NEURO
Psychiatry & Neurology (Neurology with Special Qualifications in Child Neurology)
8010 FROST ST, SUITE 510
SAN DIEGO, CA 92123
San Diego County (858) 966-5819
SAN DIEGO CENTER FOR REPRODUCTIVE SURGERY
Clinic/Center (Ambulatory Fertility Facility)
8010 FROST ST, PLAZA LEVEL
SAN DIEGO, CA 92123
San Diego County (858) 505-5500
COLLEEN P MCNALLY MD
Obstetrics & Gynecology
8010 FROST ST, #301
SAN DIEGO, CA 92123
San Diego County (858) 292-7200

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 Joanna Adamczak's NPI number?

The NPI number for Joanna Adamczak is 1447428420. It was assigned to this individual provider in the NPPES registry on February 13, 2008.

Where is Joanna Adamczak located?

Joanna Adamczak practices at 8010 Frost St Ste 300, San Diego, CA 92123. The listed phone number is (858) 939-6880.

What is Joanna Adamczak's specialty?

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

Is Joanna Adamczak enrolled in Medicare?

Yes. Joanna Adamczak is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Joanna Adamczak's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Joanna Adamczak reassigns Medicare benefits to 2 organizations: Rady Children's Hospital San Diego (San Diego, CA) and United Medical Doctors (Murrieta, 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 Joanna Adamczak'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 Joanna Adamczak was last updated on December 9, 2011. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 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.