Mike Chirachanchai, M.D.
NPI 1619111747 · Internal Medicine Physician · Allen, TX
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mike Chirachanchai, M.D. is a Internal Medicine Physician provider in Allen, TX (NPI 1619111747).
Provider details
- NPI number
- 1619111747
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- P4555 (TX)
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
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
718 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) |
|---|---|---|
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 262 | $75 |
| Hospital Discharge Day Management, More Than 30 Minutes99239 | 206 | $108 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 107 | $113 |
| Initial Hospital Care With Moderate Level of Medical Decision Making, If Using Time, at Least 75 Minutes99223 | 101 | $165 |
| Hospital Discharge Day Management, 30 Minutes Or Less99238 | 22 | $75 |
| Initial Hospital Care With Straightforward Or Low-Level Medical Decision Making, If Using Time, at Least 55 Minutes99222 | 20 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 9 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Prednisone | 24 | 24 |
| Levofloxacin | 20 | 19 |
| Amoxicillin/Potassium Clavbrand: Amoxicillin-Clavulanate Potass | 16 | 15 |
| Pantoprazole Sodium | 14 | 13 |
| Hydrocodone/Acetaminophenbrand: Hydrocodone-Acetaminophen | 14 | 14 |
| Furosemide | 13 | 13 |
| Metoprolol Tartrate |
Practice location
Mailing address
Registry dates
- Enumerated
- 2009-04-20
- Last updated
- 2012-11-14
Frequently asked questions
- What is Mike Chirachanchai's NPI number?
- Mike Chirachanchai's National Provider Identifier (NPI) is 1619111747, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mike Chirachanchai's specialty?
- Mike Chirachanchai is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Mike Chirachanchai located?
- Mike Chirachanchai's practice location on file with NPPES is 1105 Central Expy N Ste 235, Allen, TX 75013-6135.
- What is Mike Chirachanchai's phone number?
- The practice phone number listed in the NPPES registry for Mike Chirachanchai is (972) 747-6042.
- Does Mike Chirachanchai accept Medicare?
- Mike Chirachanchai is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mike Chirachanchai's NPI active?
- Yes — Mike Chirachanchai's NPI (1619111747) is active in the NPPES registry as of the last update on 2012-11-14.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.