Karthy Thiagarajan, MD
NPI 1528597424 · Sleep Medicine (Family Medicine) Physician · Wilkes Barre, PA
Enrolled with Medicare as Order and Referring Only - Sleep Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Karthy Thiagarajan, MD is a Sleep Medicine (Family Medicine) Physician provider in Wilkes Barre, PA (NPI 1528597424).
Provider details
- NPI number
- 1528597424
- Entity type
- Individual
- Primary specialty
- Sleep Medicine (Family Medicine) PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- Yes
- License
- MT212574 (PA)
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
9 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
65 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 | 44 | $130 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 21 | $91 |
Typical Medicare-allowed amounts for these services range $91–$130 (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 · 14 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 45 | 25 |
| Levothyroxine Sodium | 34 | 16 |
| Metformin Hcl | 30 | 14 |
| Amlodipine Besylate | 22 | — |
| Empagliflozinbrand: Jardiance | 20 | — |
| Duloxetine Hcl | 19 | — |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$274 across 17 records (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
- 2017-06-06
- Last updated
- 2025-07-18
- Certified
- 2025-07-18
Frequently asked questions
- What is Karthy Thiagarajan's NPI number?
- Karthy Thiagarajan's National Provider Identifier (NPI) is 1528597424, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Karthy Thiagarajan's specialty?
- Karthy Thiagarajan is listed in the NPPES registry with a primary specialty of Sleep Medicine (Family Medicine) Physician (Allopathic & Osteopathic Physicians).
- Where is Karthy Thiagarajan located?
- Karthy Thiagarajan's practice location on file with NPPES is 25 Church St, Wilkes Barre, PA 18765-0795.
- What is Karthy Thiagarajan's phone number?
- The practice phone number listed in the NPPES registry for Karthy Thiagarajan is (570) 808-3410.
- Does Karthy Thiagarajan accept Medicare?
- Karthy Thiagarajan is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Karthy Thiagarajan's NPI active?
- Yes — Karthy Thiagarajan's NPI (1528597424) is active in the NPPES registry as of the last update on 2025-07-18.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.