Ashok Ponniah, D.O.
NPI 1144644345 · Internal Medicine Physician · Olympia, WA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Ashok Ponniah, D.O. is a Internal Medicine Physician provider in Olympia, WA (NPI 1144644345).
Provider details
- NPI number
- 1144644345
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- D.O.
- Sex
- Male
- Sole proprietor
- No
- License
- 1558 (NE)
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 tenure25% of score
12 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
695 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) |
|---|---|---|
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 298 | $77 |
| Hospital Discharge Day Management, More Than 30 Minutes99239 | 182 | $111 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 80 | $114 |
| Subsequent Hospital Care With Straightforward Or Low Level of Medical Decision Making, Per Day, If Using Time, at Least 25 Minutes99231 | 48 | $47 |
| Initial Hospital Care With Straightforward Or Low Level of Medical Decision Making, Per Day, If Using Time, at Least 40 Minutes99221 | 45 | $81 |
| Initial Hospital Care With Straightforward Or Low-Level Medical Decision Making, If Using Time, at Least 55 Minutes |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 34 | 22 |
| Metoprolol Succinate | 23 | 14 |
| Pantoprazole Sodium | 20 | 13 |
| Clopidogrel Bisulfatebrand: Clopidogrel | 19 | 13 |
| Prednisone | 18 | 17 |
| Ciprofloxacin Hcl | 17 | 16 |
| Lisinopril |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$394 across 7 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
Additional practice locations (1)
- 9040 Jackson AveTacoma, WA 98431Phone: (253) 968-1110
Registry dates
- Enumerated
- 2014-02-07
- Last updated
- 2019-10-11
Frequently asked questions
- What is Ashok Ponniah's NPI number?
- Ashok Ponniah's National Provider Identifier (NPI) is 1144644345, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Ashok Ponniah's specialty?
- Ashok Ponniah is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Ashok Ponniah located?
- Ashok Ponniah's practice location on file with NPPES is 3900 Capital Mall Dr Sw, Olympia, WA 98502-8654.
- What is Ashok Ponniah's phone number?
- The practice phone number listed in the NPPES registry for Ashok Ponniah is (360) 704-4743.
- Does Ashok Ponniah accept Medicare?
- Ashok Ponniah is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Ashok Ponniah's NPI active?
- Yes — Ashok Ponniah's NPI (1144644345) is active in the NPPES registry as of the last update on 2019-10-11.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.