Marilyn S. Norton M.D., Inc.
NPI 1326124819 · Hematology & Oncology Physician · Chula Vista, CA
Enrolled with Medicare as Part B Supplier - Clinic/Group Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Marilyn S. Norton M.D., Inc. is a Hematology & Oncology Physician organization in Chula Vista, CA (NPI 1326124819).
Provider details
- NPI number
- 1326124819
- Entity type
- Organization
- Primary specialty
- Hematology & Oncology PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- Marilyn Norton, Md./President(619) 482-8430
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
Other names (DBA / former)
- Doing business as
- South County Hematology Oncology, Inc.
Registry dates
- Enumerated
- 2006-10-27
- Last updated
- 2012-09-17
Frequently asked questions
- What is Marilyn S. Norton M.D., Inc.'s NPI number?
- Marilyn S. Norton M.D., Inc.'s National Provider Identifier (NPI) is 1326124819, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Marilyn S. Norton M.D., Inc.?
- Marilyn S. Norton M.D., Inc. is classified in the NPPES registry as Hematology & Oncology Physician (Allopathic & Osteopathic Physicians).
- Where is Marilyn S. Norton M.D., Inc. located?
- Marilyn S. Norton M.D., Inc.'s practice location on file with NPPES is 769 Medical Center Ct Ste 202, Chula Vista, CA 91911-6660.
- What is Marilyn S. Norton M.D., Inc.'s phone number?
- The practice phone number listed in the NPPES registry for Marilyn S. Norton M.D., Inc. is (619) 482-8430.
- Does Marilyn S. Norton M.D., Inc. accept Medicare?
- Marilyn S. Norton M.D., Inc. is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Who is the authorized official for Marilyn S. Norton M.D., Inc.?
- The authorized official listed on Marilyn S. Norton M.D., Inc.'s NPPES record is Marilyn Norton, Md./President. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Marilyn S. Norton M.D., Inc.'s NPI active?
- Yes — Marilyn S. Norton M.D., Inc.'s NPI (1326124819) is active in the NPPES registry as of the last update on 2012-09-17.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.