Marni Miller-Lopez, PA
NPI 1023207461 · Surgical Physician Assistant · Sacramento, CA
Enrolled with Medicare as Practitioner - Physician Assistant · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Marni Miller-Lopez, PA is a Surgical Physician Assistant provider in Sacramento, CA (NPI 1023207461).
Provider details
- NPI number
- 1023207461
- Entity type
- Individual
- Primary specialty
- Surgical Physician AssistantPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- PA
- Sex
- Female
- Sole proprietor
- No
- License
- 3721 (AZ)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Physician Assistants & Advanced Practice Nursing Providers
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
18 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
75 Medicare services, 2024 (ranked within specialty)
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 methodology.
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) |
|---|---|---|
| Initial Hospital Care With Moderate Level of Medical Decision Making, If Using Time, at Least 75 Minutes99223 | 27 | $150 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 26 | $68 |
| Initial Hospital Care With Straightforward Or Low-Level Medical Decision Making, If Using Time, at Least 55 Minutes99222 | 22 | $113 |
Typical Medicare-allowed amounts for these services range $68–$150 (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.
Practice location
Mailing address
Additional practice locations (1)
- 6320 N La Cholla Blvd Ste 200Tucson, AZ 85741-3549Phone: (520) 382-8200Fax: (520) 297-3505
Registry dates
- Enumerated
- 2007-10-22
- Last updated
- 2022-07-21
Frequently asked questions
- What is Marni Miller-Lopez's NPI number?
- Marni Miller-Lopez's National Provider Identifier (NPI) is 1023207461, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Marni Miller-Lopez's specialty?
- Marni Miller-Lopez is listed in the NPPES registry with a primary specialty of Surgical Physician Assistant (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Marni Miller-Lopez located?
- Marni Miller-Lopez's practice location on file with NPPES is 2800 L St Ste 501, Sacramento, CA 95816-5616.
- What is Marni Miller-Lopez's phone number?
- The practice phone number listed in the NPPES registry for Marni Miller-Lopez is (916) 454-6850.
- Does Marni Miller-Lopez accept Medicare?
- Marni Miller-Lopez is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Marni Miller-Lopez's NPI active?
- Yes — Marni Miller-Lopez's NPI (1023207461) is active in the NPPES registry as of the last update on 2022-07-21.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.