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DR. THEOPHILUS NGUYEN PHAM MD, MBA
NPI 1639792328
Surgery in Sacramento, CA

Active since May 28, 2020PECOS Enrolled
2221 STOCKTON BLVD STE NO, SACRAMENTO, CA 95817(916) 734-3636 Get Directions Write a Review

NPPES record last updated: June 23, 2026. Verified against the NPPES registry weekly; last sync: November 01, 2026.

About Dr. Theophilus Nguyen Pham Md, Mba NPPES

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

DR. THEOPHILUS NGUYEN PHAM MD, MBA (NPI 1639792328) is an individual surgery provider in Sacramento, California, licensed in California (A202192) and active in the NPI registry since May 2020. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1639792328
Entity TypeIndividualMale
Primary Taxonomy208600000X
Provider Legal NameDR. THEOPHILUS NGUYEN PHAMCredential: MD, MBA
Location Address2221 STOCKTON BLVD STE NOSacramento, CA 95817-1418
Mailing Address2221 Stockton Blvd Ste NoSacramento, CA 95817-1418 · (916) 734-3636
Phone(916) 734-3636
Sole ProprietorNo
Enumeration DateMay 28, 2020
Last NPPES UpdateJune 23, 2026
NPPES CertifiedJune 23, 2026
✔ NPI 1639792328 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtySurgeryAllopathic & Osteopathic Physicians
Taxonomy Code208600000X
License✔ Licensed in CA · A202192
Definition
A general surgeon has expertise related to the diagnosis - preoperative, operative and postoperative management - and management of complications of surgical conditions in the following areas: alimentary tract; abdomen; breast, skin and soft tissue; endocrine system; head and neck surgery; pediatric surgery; surgical critical care; surgical oncology; trauma and burns; and vascular surgery. General surgeons increasingly provide care through the use of minimally invasive and endoscopic techniques. Many general surgeons also possess expertise in transplantation surgery, plastic surgery and cardiothoracic surgery.
2221 STOCKTON BLVD STE NO, Sacramento, CA 95817
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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 (PECOS)

Dr. Theophilus Nguyen Pham Md, Mba 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 Reassignment

Medicare enrollment records show Theophilus Pham reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Shriners Hospitals For Children
0.3 mi
Anesthesiology
2425 STOCKTON BLVD
Sacramento, CA 95817
  • Reassigned Medicare billing, California enrollment
  • 105 clinicians in this Medicare group
NPI 1114415361 (916) 453-2000

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 95817 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
$92.61 typical visit price
range $60.44 – $180.85
Typical copayment $23.15 (range $15.11 – $45.21)
Most-billed visit code 99203
Established Patient
$75.03 typical visit price
range $19.88 – $148.15
Typical copayment $18.75 (range $4.97 – $37.03)
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.

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 Theophilus Pham's NPI number?

The NPI number for Theophilus Pham is 1639792328. It was assigned to this individual provider in the NPPES registry on May 28, 2020.

Where is Theophilus Pham located?

Theophilus Pham practices at 2221 Stockton Blvd Ste No, Sacramento, CA 95817. The listed phone number is (916) 734-3636.

What is Theophilus Pham's specialty?

The primary specialty registered for this NPI is Surgery with taxonomy code 208600000X.

Is Theophilus Pham enrolled in Medicare?

Yes. Theophilus Pham is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Theophilus Pham's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Theophilus Pham reassigns Medicare benefits to Shriners Hospitals For Children (Sacramento, CA). The 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 Theophilus Pham'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 Theophilus Pham was last updated on June 23, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.