Ruth Guevara, M.D.
NPI 1154556199 · Family Medicine Physician · East Patchogue, NY
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Ruth Guevara, M.D. is a Family Medicine Physician provider in East Patchogue, NY (NPI 1154556199).
Provider details
- NPI number
- 1154556199
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- No
- License
- 104373 (FL)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
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
1,108 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 | 590 | $106 |
| Automated Urinalysis Test81003 | 105 | $2 |
| Detection Test By Immunoassay With Direct Visual Observation for Severe Acute Respiratory Syndrome Coronavirus 2 (covid-19)87811 | 99 | $41 |
| Amplifed Dna Or Rna Probe Detection of Severe Acute Respiratory Syndrome Coronavirus 2 (covid-19) Antigen87635 | 61 | $50 |
| New Patient Office Or Other Outpatient Visit With Low Level of Medical Decision Making, If Using Time, 30 Minutes Or More99203 | 60 | $130 |
| Detection Test By Immunoassay With Direct Visual Observation for Streptococcus, Group a (strep)87880 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 20 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Fluticasone Propionate | 88 | 87 |
| Prednisone | 76 | 70 |
| Albuterol Sulfatebrand: Albuterol Sulfate Hfa | 61 | 56 |
| Nitrofurantoin Monohyd/M-Crystbrand: Nitrofurantoin Mono-Macro | 59 | 57 |
| Doxycycline Hyclate | 49 | 49 |
| Azithromycin | 47 | 44 |
| Cephalexin | 41 | 40 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2009-05-20
- Last updated
- 2010-05-26
Frequently asked questions
- What is Ruth Guevara's NPI number?
- Ruth Guevara's National Provider Identifier (NPI) is 1154556199, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Ruth Guevara's specialty?
- Ruth Guevara is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Ruth Guevara located?
- Ruth Guevara's practice location on file with NPPES is 100 Hospital Rd, East Patchogue, NY 11772-8809.
- What is Ruth Guevara's phone number?
- The practice phone number listed in the NPPES registry for Ruth Guevara is (631) 475-6900.
- Does Ruth Guevara accept Medicare?
- Ruth Guevara is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Ruth Guevara's NPI active?
- Yes — Ruth Guevara's NPI (1154556199) is active in the NPPES registry as of the last update on 2010-05-26.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.