Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Calvin M Lee, MD
Surgery Physician in Modesto, CA · enumerated 2005.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1053308197
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Registry record
Entity type Individual (Type 1)
Name Calvin M Lee
Credential MD
Sex Male
Practice address 2336 Sylvan Ave, Ste C, Modesto, CA, 95355
Phone (209) 551-1888
Fax (209) 551-5662
Enumeration date Oct 4, 2005
Last updated in NPPES Jul 13, 2026
Taxonomy & licenses
MD · Doctor of Medicine: A physician who completed medical school (allopathic medicine), residency training, and state licensure.
About the MD credential
Other identifiers
| Identifier | Type | State | Issuer |
|---|---|---|---|
| 00A821590 | Medicaid | CA | - |
What is an NPI number?
A National Provider Identifier (NPI) is a unique 10-digit number that CMS assigns to every U.S. healthcare provider and organization under HIPAA. Type 1 NPIs identify individual providers; Type 2 NPIs identify organizations. The NPI appears on insurance claims, prescriptions, and credentialing paperwork, and never changes, even if the provider moves or changes specialty.
Frequently asked questions
Is this the official NPI registry?
No. NPI Portal is a private site built on public CMS NPPES data. The official registry is npiregistry.cms.hhs.gov, operated by CMS.
What specialty is Calvin Lee?
Calvin Lee is registered in NPPES with the primary taxonomy of Surgery Physician. The taxonomy code describes the provider's classification and area of specialization for claims and credentialing.
Other providers at this practice address
Browse all → Tzuying Wu Plastic Surgery Physician · Modesto, CA NPI 1699730077 Magdy Elsakr Specialist · Modesto, CA NPI 1184676785 Tzuying Tammy Wu MD Inc Specialist · Modesto, CA NPI 1659316453 Sylvan Surgery Center, LLC Ambulatory Surgical Clinic/Center · Modesto, CA NPI 1801822739 Modesto Gastroenterology Medical Corporation Gastroenterology Physician · Modesto, CA NPI 1881748846
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2026-07-13.