Paarth Shah, MD
NPI 1548722580 · Internal Medicine Physician · Fairfield, CA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Paarth Shah, MD is a Internal Medicine Physician provider in Fairfield, CA (NPI 1548722580).
Provider details
- NPI number
- 1548722580
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- A180238 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
7 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
1,631 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
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 .
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 | 542 | $145 |
| Annual Depression Screening, 5 to 15 MinutesG0444 | 173 | $23 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 168 | $147 |
| 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 | 155 | $18 |
| Face-To-Face Behavioral Counseling for Obesity, 15 MinutesG0447 | 126 | $28 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 77 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 336 | 117 |
| Amlodipine Besylate | 167 | 71 |
| Losartan Potassium | 167 | 63 |
| Metformin Hcl | 157 | 54 |
| Lisinopril | 135 | 44 |
| Levothyroxine Sodium | 94 | 32 |
| Rosuvastatin Calcium |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$29 across 1 record (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2019-04-01
- Last updated
- 2022-08-01
- Certified
- 2021-07-13
Frequently asked questions
- What is Paarth Shah's NPI number?
- Paarth Shah's National Provider Identifier (NPI) is 1548722580, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Paarth Shah's specialty?
- Paarth Shah is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Paarth Shah located?
- Paarth Shah's practice location on file with NPPES is 4520 Business Center Dr Ste 200, Fairfield, CA 94534-6888.
- What is Paarth Shah's phone number?
- The practice phone number listed in the NPPES registry for Paarth Shah is (707) 646-5500.
- Does Paarth Shah accept Medicare?
- Paarth Shah is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Paarth Shah's NPI active?
- Yes — Paarth Shah's NPI (1548722580) is active in the NPPES registry as of the last update on 2022-08-01.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.