Shachi Tyagi, MD, MS
NPI 1639377740 · Geriatric Medicine (Internal Medicine) Physician · Pittsburgh, PA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Shachi Tyagi, MD, MS is a Geriatric Medicine (Internal Medicine) Physician provider in Pittsburgh, PA (NPI 1639377740).
Provider details
- NPI number
- 1639377740
- Entity type
- Individual
- Primary specialty
- Geriatric Medicine (Internal Medicine) PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD, MS
- Sex
- Female
- Sole proprietor
- No
- License
- MD442918 (PA)
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
18 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
176 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 | 74 | $92 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 44 | $75 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 26 | $137 |
| New Patient Office Or Other Outpatient Visit With a High Level of Medical Decision Making, If Using Time, 60 Minutes Or More99205 | 19 | $172 |
| Initial Hospital Care With Straightforward Or Low-Level Medical Decision Making, If Using Time, at Least 55 Minutes99222 | 13 | $123 |
Typical Medicare-allowed amounts for these services range $75–$172 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, 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 · 70 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 194 | 45 |
| Donepezil Hcl | 140 | 37 |
| Amlodipine Besylate | 124 | 31 |
| Levothyroxine Sodium | 123 | 27 |
| Omeprazole | 101 | 20 |
| Sertraline Hcl | 94 | 17 |
| Lisinopril | 89 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2007-07-10
- Last updated
- 2015-05-13
Frequently asked questions
- What is Shachi Tyagi's NPI number?
- Shachi Tyagi's National Provider Identifier (NPI) is 1639377740, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Shachi Tyagi's specialty?
- Shachi Tyagi is listed in the NPPES registry with a primary specialty of Geriatric Medicine (Internal Medicine) Physician (Allopathic & Osteopathic Physicians).
- Where is Shachi Tyagi located?
- Shachi Tyagi's practice location on file with NPPES is 200 Lothrop St, Pittsburgh, PA 15213-2536.
- What is Shachi Tyagi's phone number?
- The practice phone number listed in the NPPES registry for Shachi Tyagi is (412) 692-2360.
- Does Shachi Tyagi accept Medicare?
- Shachi Tyagi is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Shachi Tyagi's NPI active?
- Yes — Shachi Tyagi's NPI (1639377740) is active in the NPPES registry as of the last update on 2015-05-13.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.