Joahnna Sarno, MD
NPI 1346467701 · Family Medicine Physician · Fairfield, CA
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Joahnna Sarno, MD is a Family Medicine Physician provider in Fairfield, CA (NPI 1346467701).
Provider details
- NPI number
- 1346467701
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- A99686 (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
19 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
14 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 Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 14 | $90 |
Typical Medicare-allowed amounts for these services range $90–$90 (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 · 97 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 408 | 139 |
| Lisinopril | 273 | 95 |
| Levothyroxine Sodium | 210 | 63 |
| Gabapentin | 205 | 79 |
| Albuterol Sulfatebrand: Albuterol Sulfate Hfa | 199 | 86 |
| Amlodipine Besylate | 186 | 69 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2007-04-19
- Last updated
- 2021-12-09
Frequently asked questions
- What is Joahnna Sarno's NPI number?
- Joahnna Sarno's National Provider Identifier (NPI) is 1346467701, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Joahnna Sarno's specialty?
- Joahnna Sarno is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Joahnna Sarno located?
- Joahnna Sarno's practice location on file with NPPES is 1550 Gateway Blvd, Fairfield, CA 94533-6901.
- What is Joahnna Sarno's phone number?
- The practice phone number listed in the NPPES registry for Joahnna Sarno is (707) 427-4000.
- Does Joahnna Sarno accept Medicare?
- Joahnna Sarno is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Joahnna Sarno's NPI active?
- Yes — Joahnna Sarno's NPI (1346467701) is active in the NPPES registry as of the last update on 2021-12-09.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.