Roberta Nieto, MD
NPI 1306847116 · Family Medicine Physician · Orange, CA
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Roberta Nieto, MD is a Family Medicine Physician provider in Orange, CA (NPI 1306847116).
Provider details
- NPI number
- 1306847116
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- A79361 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
20 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
213 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) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 60 | $137 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 52 | $99 |
| Injection of Drug Or Substance Under Skin Or Into Muscle96372 | 21 | $16 |
| Urinalysis, Manual Test81002 | 19 | $3 |
| Detection Test By Immunoassay With Direct Visual Observation for Streptococcus, Group a (strep)87880 | 16 | $16 |
| New Patient Office Or Other Outpatient Visit With Low Level of Medical Decision Making, If Using Time, 30 Minutes Or More99203 | 16 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 13 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Amoxicillin | 103 | 99 |
| Albuterol Sulfatebrand: Albuterol Sulfate Hfa | 84 | 82 |
| Cephalexin | 64 | 63 |
| Nitrofurantoin Monohyd/M-Crystbrand: Nitrofurantoin Mono-Macro | 47 | 46 |
| Amoxicillin/Potassium Clavbrand: Amoxicillin-Clavulanate Potass | 25 | 24 |
| Doxycycline Hyclate | 22 | 21 |
| Triamcinolone Acetonide | 15 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2005-08-02
- Last updated
- 2023-03-07
- Certified
- 2022-11-02
Frequently asked questions
- What is Roberta Nieto's NPI number?
- Roberta Nieto's National Provider Identifier (NPI) is 1306847116, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Roberta Nieto's specialty?
- Roberta Nieto is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Roberta Nieto located?
- Roberta Nieto's practice location on file with NPPES is 2811 E Katella Ave Ste 203, Orange, CA 92867-5247.
- What is Roberta Nieto's phone number?
- The practice phone number listed in the NPPES registry for Roberta Nieto is (714) 942-2643.
- Does Roberta Nieto accept Medicare?
- Roberta Nieto is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Roberta Nieto's NPI active?
- Yes — Roberta Nieto's NPI (1306847116) is active in the NPPES registry as of the last update on 2023-03-07.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.