Raymond C. Tan, MD a Professional Corporation
NPI 1699896357 · Radiation Oncology Physician · Merced, CA
Raymond C. Tan, MD a Professional Corporation is a Radiation Oncology Physician organization in Merced, CA (NPI 1699896357).
Provider details
- NPI number
- 1699896357
- Entity type
- Organization
- Primary specialty
- Radiation Oncology PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- Raymond Tan, Ceo(209) 386-6000
- License
- A73252 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
19 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
Mailing address
Registry dates
- Enumerated
- 2007-04-02
- Last updated
- 2020-08-22
Frequently asked questions
- What is Raymond C. Tan, MD a Professional Corporation's NPI number?
- Raymond C. Tan, MD a Professional Corporation's National Provider Identifier (NPI) is 1699896357, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Raymond C. Tan, MD a Professional Corporation?
- Raymond C. Tan, MD a Professional Corporation is classified in the NPPES registry as Radiation Oncology Physician (Allopathic & Osteopathic Physicians).
- Where is Raymond C. Tan, MD a Professional Corporation located?
- Raymond C. Tan, MD a Professional Corporation's practice location on file with NPPES is 3850 G St, Merced, CA 95340-8787.
- What is Raymond C. Tan, MD a Professional Corporation's phone number?
- The practice phone number listed in the NPPES registry for Raymond C. Tan, MD a Professional Corporation is (209) 386-6000.
- Who is the authorized official for Raymond C. Tan, MD a Professional Corporation?
- The authorized official listed on Raymond C. Tan, MD a Professional Corporation's NPPES record is Raymond Tan, Ceo. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Raymond C. Tan, MD a Professional Corporation's NPI active?
- Yes — Raymond C. Tan, MD a Professional Corporation's NPI (1699896357) is active in the NPPES registry as of the last update on 2020-08-22.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.