John Link, MD
NPI 1245281211 · Hematology & Oncology Physician · Orange, CA
Enrolled with Medicare as Practitioner - Hematology/Oncology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
John Link, MD is a Hematology & Oncology Physician provider in Orange, CA (NPI 1245281211).
Provider details
- NPI number
- 1245281211
- Entity type
- Individual
- Primary specialty
- Hematology & Oncology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- G25774 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Other Service Providers
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
20 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
1,496 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. 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 .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 863 | $139 |
| Administration of Hormonal Anti-Neoplastic Chemotherapy Under Skin Or Into Muscle96402 | 267 | $40 |
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 168 | $6 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 94 | $99 |
| Injection of Drug Or Substance Under Skin Or Into Muscle96372 | 73 | $16 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 10 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Tamoxifen Citrate | 185 | 60 |
| Raloxifene Hcl | 67 | 27 |
| Estrogens,conj/Bazedoxifenebrand: Duavee | 56 | 18 |
| Estradiol | 34 | 20 |
| Exemestane | 21 | — |
| Estradiolbrand: Dotti | 14 | — |
| Letrozole | 14 | — |
| Oxybutynin Chloridebrand: Oxybutynin Chloride Er |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$16 across 1 record (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Additional practice locations (1)
- 1441 Avocado Ave Ste 301Newport Beach, CA 92660-7704Phone: (949) 272-2095Fax: (949) 272-2096
Registry dates
- Enumerated
- 2006-05-15
- Last updated
- 2021-05-26
- Certified
- 2021-05-26
Frequently asked questions
- What is John Link's NPI number?
- John Link's National Provider Identifier (NPI) is 1245281211, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John Link's specialty?
- John Link is listed in the NPPES registry with a primary specialty of Hematology & Oncology Physician (Allopathic & Osteopathic Physicians).
- Where is John Link located?
- John Link's practice location on file with NPPES is 230 S. Main St, Orange, CA 92868-3851.
- What is John Link's phone number?
- The practice phone number listed in the NPPES registry for John Link is (714) 541-0101.
- Does John Link accept Medicare?
- John Link is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is John Link's NPI active?
- Yes — John Link's NPI (1245281211) is active in the NPPES registry as of the last update on 2021-05-26.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.