Stephanie Petreas, RN, FNP
NPI 1558505560 · Family Nurse Practitioner · Berkeley, CA
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Stephanie Petreas, RN, FNP is a Family Nurse Practitioner provider in Berkeley, CA (NPI 1558505560).
Provider details
- NPI number
- 1558505560
- Entity type
- Individual
- Primary specialty
- Family Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- RN, FNP
- Sex
- Female
- Sole proprietor
- No
- License
- 697900 (CA)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Nursing Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
17 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
184 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 | 73 | $131 |
| Visit Complexity Inherent to Evaluation and Management Associated With Medical Care Services That Serve As the Continuing Focal Point for All Needed Health Care Services And/Or With Medical Care Services That Are Part of Ongoing Care Related to a Patient'SG2211 | 34 | $16 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 25 | $93 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 17 | $182 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 13 | $132 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 18 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 94 | 28 |
| Lisinopril | 63 | 16 |
| Levothyroxine Sodium | 59 | 14 |
| Amlodipine Besylate | 32 | 11 |
| Hydrocodone/Acetaminophenbrand: Hydrocodone-Acetaminophen | 26 | — |
| Hydrochlorothiazide | 20 | — |
Practice location
Mailing address
Registry dates
- Enumerated
- 2009-04-22
- Last updated
- 2011-10-27
Frequently asked questions
- What is Stephanie Petreas's NPI number?
- Stephanie Petreas's National Provider Identifier (NPI) is 1558505560, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Stephanie Petreas's specialty?
- Stephanie Petreas is listed in the NPPES registry with a primary specialty of Family Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Stephanie Petreas located?
- Stephanie Petreas's practice location on file with NPPES is 2850 Telegraph Ave Ste 130, Berkeley, CA 94705-1159.
- What is Stephanie Petreas's phone number?
- The practice phone number listed in the NPPES registry for Stephanie Petreas is (510) 204-8110.
- Does Stephanie Petreas accept Medicare?
- Stephanie Petreas is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Stephanie Petreas's NPI active?
- Yes — Stephanie Petreas's NPI (1558505560) is active in the NPPES registry as of the last update on 2011-10-27.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.