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DR. TONY YUK MAN TAM M.D.
NPI 1114957628
Surgery in Modesto, CA

Active since July 03, 2006PECOS EnrolledAccepts Medicare Assignment
56.23/100
CMS Quality Rating
1700 COFFEE RD, MODESTO, CA 95355(209) 579-5628(209) 579-5637 Get Directions Write a Review

NPPES record last updated: August 24, 2023. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Aug 24, 2023, Nov 20, 2019 (2 updates tracked since 2019).

About Dr. Tony Yuk Man Tam M.d. NPPES

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

DR. TONY YUK MAN TAM M.D. (NPI 1114957628) is an individual surgery provider in Modesto, California, licensed in California (G71710) and active in the NPI registry since July 2006. He is enrolled in Medicare PECOS and is a graduate of University Of Arizona College Of Medicine (1985).

NPPES Registry Identity

NPI1114957628
Entity TypeIndividualMale
Primary Taxonomy208600000X
Provider Legal NameDR. TONY YUK MAN TAMCredential: M.D.
Location Address1700 COFFEE RDModesto, CA 95355-2803
Mailing Address4490 Oakdale RdModesto, CA 95357-0800 · (209) 404-2261
Phone(209) 579-5628
Fax(209) 579-5637
Sole ProprietorNo
Medical School CMSUniversity Of Arizona College Of MedicineGraduated 1985
Enumeration DateJuly 3, 2006
Last NPPES UpdateAugust 24, 20232 updates tracked since enumeration
NPPES CertifiedAugust 24, 2023
✔ NPI 1114957628 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtySurgeryAllopathic & Osteopathic Physicians
Taxonomy Code208600000X
License✔ Licensed in CA · G71710
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.
Also ListedSurgery · Trauma SurgeryTaxonomy 2086S0127X · License G71710 (CA)
1700 COFFEE RD, Modesto, CA 95355
Open in Google Maps ↗

Other Identifiers 2

Medicaid00G717100CA
Other00G717102Provider Transaction Access Number (ptan)

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

Dr. Tony Yuk Man Tam 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 ID3779652557
PECOS Enrollment IDI20080520000350
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 Tony Tam reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Surgical Associates Inc
Same address
Trauma Surgery
1700 COFFEE RD
Modesto, CA 95355
  • Reassigned Medicare billing, California enrollment
  • 34 clinicians in this Medicare group
NPI 1366824161 (209) 661-4403

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Areas of Expertise CMS Part B claims 2

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 99223
Initial hospital inpatient care per day, typically 70 minutes, refers to the daily medical service provided to patients admitted to the hospital. This includes a comprehensive evaluation, diagnosis, treatment plan, and monitoring of your health condition. It ensures your well-being during your hospital stay.
35 services35 patients
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 99233
Follow-up hospital inpatient care per day typically involves a 35-minute check-up by your healthcare provider. This service includes monitoring your health progress, adjusting your treatment plan if needed, and answering any questions you may have about your condition or care.
33 services32 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 95355 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
$90.32 typical visit price
range $58.87 – $176.60
Typical copayment $22.58 (range $14.71 – $44.15)
Most-billed visit code 99203
Established Patient
$73.16 typical visit price
range $19.28 – $144.60
Typical copayment $18.29 (range $4.82 – $36.15)
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.

56.23/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Individually scored
Quality73.74
Improvement Activities0
Cost55.78

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.

ERIC CHAU-YONG KU MD
Radiology (Radiation Oncology)
1700 COFFEE RD
MODESTO, CA 95355
Stanislaus County (209) 572-7237
DR. STEPHANIE TOVAR PHARMD
Pharmacist
1700 COFFEE RD
MODESTO, CA 95355
Stanislaus County (209) 526-4500
MOHSEN MERATI MD
Student in an Organized Health Care Education/Training Program
1700 COFFEE RD
MODESTO, CA 95355
Stanislaus County (209) 569-7493
MS. FANTINE WARDA NP
Nurse Practitioner
1700 COFFEE RD
MODESTO, CA 95355
Stanislaus County (209) 526-4500
KHALID AL ZUBAIDI MD
Student in an Organized Health Care Education/Training Program
1700 COFFEE RD
MODESTO, CA 95355
Stanislaus County (209) 569-7493
ZOHAL RAHIMI
Student in an Organized Health Care Education/Training Program
1700 COFFEE RD
MODESTO, CA 95355
Stanislaus County (209) 572-7095
TRACY IRIS GASTELUM AGACNP-BC
Nurse Practitioner (Acute Care)
1700 COFFEE RD
MODESTO, CA 95355
Stanislaus County (209) 526-4500
DR. SARAI STERN COUTIN MD
Student in an Organized Health Care Education/Training Program
1700 COFFEE RD
MODESTO, CA 95355
Stanislaus County (209) 572-7095

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 Tony Tam's NPI number?

The NPI number for Tony Tam is 1114957628. It was assigned to this individual provider in the NPPES registry on July 3, 2006.

Where is Tony Tam located?

Tony Tam practices at 1700 Coffee Rd, Modesto, CA 95355. The listed phone number is (209) 579-5628.

What is Tony Tam's specialty?

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

Is Tony Tam enrolled in Medicare?

Yes. Tony Tam 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 organization bills Medicare for Tony Tam's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Tony Tam reassigns Medicare benefits to Surgical Associates Inc (Modesto, 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 Tony Tam'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 Tony Tam was last updated on August 24, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.