Martha Gonzalez, M.D., M.P.H
NPI 1033261144 · Endocrinology, Diabetes & Metabolism Physician · Ventura, CA
Enrolled with Medicare as Practitioner - Endocrinology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Martha Gonzalez, M.D., M.P.H is a Endocrinology, Diabetes & Metabolism Physician provider in Ventura, CA (NPI 1033261144).
Provider details
- NPI number
- 1033261144
- Entity type
- Individual
- Primary specialty
- Endocrinology, Diabetes & Metabolism PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D., M.P.H
- Sex
- Female
- Sole proprietor
- No
- License
- G68703 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
19 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
812 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 High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 812 | $171 |
Typical Medicare-allowed amounts for these services range $171–$171 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 31 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Levothyroxine Sodium | 718 | 198 |
| Progesterone, Micronizedbrand: Progesterone | 492 | 135 |
| Levothyroxine Sodiumbrand: Synthroid | 485 | 127 |
| Estradiolbrand: Estradiol (twice Weekly) | 336 | 115 |
| Liothyronine Sodium | 244 | 78 |
| Estradiol | 213 | 80 |
| Thyroid,porkbrand: Armour Thyroid |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$188 across 8 records (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
- 2007-01-17
- Last updated
- 2011-02-01
Frequently asked questions
- What is Martha Gonzalez's NPI number?
- Martha Gonzalez's National Provider Identifier (NPI) is 1033261144, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Martha Gonzalez's specialty?
- Martha Gonzalez is listed in the NPPES registry with a primary specialty of Endocrinology, Diabetes & Metabolism Physician (Allopathic & Osteopathic Physicians).
- Where is Martha Gonzalez located?
- Martha Gonzalez's practice location on file with NPPES is 116 N. Brent Street, Ventura, CA 93003-2854.
- What is Martha Gonzalez's phone number?
- The practice phone number listed in the NPPES registry for Martha Gonzalez is (805) 656-4311.
- Does Martha Gonzalez accept Medicare?
- Martha Gonzalez is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Martha Gonzalez's NPI active?
- Yes — Martha Gonzalez's NPI (1033261144) is active in the NPPES registry as of the last update on 2011-02-01.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.