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ROBERT CHARLES SOUTHMAYD D.O.
NPI 1982700969
Internal Medicine in Ceres, CA

Active since September 16, 2006PECOS Enrolled
1768 MITCHELL RD STE 301, CERES, CA 95307(209) 353-4838 Get Directions Write a Review

NPPES record last updated: October 22, 2025. Verified against the NPPES registry weekly; last sync: August 09, 2026.

About Robert Charles Southmayd D.o. NPPES

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

ROBERT CHARLES SOUTHMAYD D.O. (NPI 1982700969) is an individual internal medicine provider in Ceres, California, licensed in California (5298) and active in the NPI registry since September 2006. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1982700969
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NameROBERT CHARLES SOUTHMAYDCredential: D.O.
Location Address1768 MITCHELL RD STE 301Ceres, CA 95307-2156
Mailing Address3062 Joshua Tree CirStockton, CA 95209-3800 · (209) 244-8101
Phone(209) 353-4838
Sole ProprietorNo
Enumeration DateSeptember 16, 2006
Last NPPES UpdateOctober 22, 2025
NPPES CertifiedOctober 22, 2025
✔ NPI 1982700969 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License✔ Licensed in CA · 5298
Definition
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
Also ListedObstetrics & GynecologyTaxonomy 207V00000X · License 20A5298 (CA)
1768 MITCHELL RD STE 301, Ceres, CA 95307
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Other Identifiers 3

Other911803606CA · Blue Shield
Medicaid00AX52980CA
Other160038160CA · Railroad Medicare

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Robert Charles Southmayd D.o. 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.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 95307 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
$133.94 typical visit price
range $58.87 – $176.60
Typical copayment $33.48 (range $14.71 – $44.15)
Most-billed visit code 99204
Established Patient
$103.36 typical visit price
range $19.28 – $144.60
Typical copayment $25.84 (range $4.82 – $36.15)
Most-billed visit code 99214
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.

LIZBETH SANTILLAN PINEDA
Counselor (Addiction (Substance Use Disorder))
1768 MITCHELL RD STE 301
CERES, CA 95307
Stanislaus County (209) 353-4838
ANGELIQUE MARIA GARCIA
Counselor (Addiction (Substance Use Disorder))
1768 MITCHELL RD STE 301
CERES, CA 95307
Stanislaus County (209) 353-4838
KELLY KEOMUANGCHANH
Counselor (Addiction (Substance Use Disorder))
1768 MITCHELL RD STE 301
CERES, CA 95307
Stanislaus County (209) 353-4838
JEREMY SOTO
Counselor (Addiction (Substance Use Disorder))
1768 MITCHELL RD STE 301
CERES, CA 95307
Stanislaus County (209) 353-4838
VALERIA TABAREZ
Counselor (Addiction (Substance Use Disorder))
1768 MITCHELL RD STE 301
CERES, CA 95307
Stanislaus County (209) 353-4838
DAISY ALVIZO
Counselor (Addiction (Substance Use Disorder))
1768 MITCHELL RD STE 301
CERES, CA 95307
Stanislaus County (209) 353-4838
EBONY SHEALEASE DAVIS
Counselor (Addiction (Substance Use Disorder))
1768 MITCHELL RD STE 301
CERES, CA 95307
Stanislaus County (209) 353-4838
PATHANA LUANGRATH
Counselor (Addiction (Substance Use Disorder))
1768 MITCHELL RD STE 301
CERES, CA 95307
Stanislaus County (209) 353-4838

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 Robert Southmayd's NPI number?

The NPI number for Robert Southmayd is 1982700969. It was assigned to this individual provider in the NPPES registry on September 16, 2006.

Where is Robert Southmayd located?

Robert Southmayd practices at 1768 Mitchell Rd Ste 301, Ceres, CA 95307. The listed phone number is (209) 353-4838.

What is Robert Southmayd's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Is Robert Southmayd enrolled in Medicare?

Yes. Robert Southmayd is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Robert Southmayd was last updated on October 22, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 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.