Marikit Parker, MD
NPI 1689013195 · Family Medicine Physician · Fairfield, CA
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Marikit Parker, MD is a Family Medicine Physician provider in Fairfield, CA (NPI 1689013195).
Provider details
- NPI number
- 1689013195
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- Yes
- License
- 150359 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure33% of score
13 yrs in NPPES registry
- Profile completeness33% of score
100% of core fields populated
- Practice footprint20% of score
1 documented practice location
- Open Payments transparency13% of score
Has Open Payments disclosures (2024)
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.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 74 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 202 | 65 |
| Amlodipine Besylate | 175 | 46 |
| Metformin Hcl | 100 | 29 |
| Losartan Potassium | 92 | 27 |
| Omeprazole | 86 | 23 |
| Lisinopril | 82 | 25 |
| Metoprolol Succinate |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$18 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
Registry dates
- Enumerated
- 2013-06-18
- Last updated
- 2020-08-31
- Certified
- 2020-08-31
Frequently asked questions
- What is Marikit Parker's NPI number?
- Marikit Parker's National Provider Identifier (NPI) is 1689013195, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Marikit Parker's specialty?
- Marikit Parker is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Marikit Parker located?
- Marikit Parker's practice location on file with NPPES is 1101 B Gale Wilson Blvd Ste 101c, Fairfield, CA 94533-3771.
- What is Marikit Parker's phone number?
- The practice phone number listed in the NPPES registry for Marikit Parker is (707) 419-8990.
- Does Marikit Parker accept Medicare?
- Marikit Parker is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Marikit Parker's NPI active?
- Yes — Marikit Parker's NPI (1689013195) is active in the NPPES registry as of the last update on 2020-08-31.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.