Timothy Chamberlain, MD
NPI 1487090536 · Emergency Medicine Physician · Dallas, TX
Enrolled with Medicare as Practitioner - Emergency Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Timothy Chamberlain, MD is a Emergency Medicine Physician provider in Dallas, TX (NPI 1487090536).
Provider details
- NPI number
- 1487090536
- Entity type
- Individual
- Primary specialty
- Emergency Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 96718 (GA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
13 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
7 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
541 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) |
|---|---|---|
| Emergency Department Visit With High Level of Medical Decision Making99285 | 204 | $175 |
| Routine Electrocardiogram (ecg) Using at Least 12 Leads With Interpretation and Report Only93010 | 146 | $8 |
| Emergency Department Visit With Moderate Level of Medical Decision Making99284 | 98 | $123 |
| Critical Care, First 30-74 Minutes99291 | 93 | $215 |
Typical Medicare-allowed amounts for these services range $8–$215 (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 · 12 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Ondansetronbrand: Ondansetron Odt | 50 | 50 |
| Cefdinir | 44 | 44 |
| Hydrocodone/Acetaminophenbrand: Hydrocodone-Acetaminophen | 32 | 32 |
| Acetaminophen With Codeinebrand: Acetaminophen-Codeine | 18 | 18 |
| Cyclobenzaprine Hcl | 17 | 17 |
| Diphenoxylate Hcl/Atropinebrand: Diphenoxylate-Atropine | 16 | 16 |
| Albuterol Sulfate |
Practice location
Mailing address
Additional practice locations (6)
- 2122 Manchester ExpyColumbus, GA 31904-6878Phone: (706) 596-4000Fax: (706) 596-4481
- 1509 Hwy 19Athens, TX 75751Phone: (903) 675-1725
- 18780 I-20Canton, TX 75103Phone: (903) 567-4841
- 2026 S Jackson StJacksonville, TX 75766-5822Phone: (903) 586-5678
- 8389 S Broadway AveTyler, TX 75703-5408Phone: (903) 606-6500
- 800 E Dawson StTyler, TX 75701-2036Phone: (903) 606-4262
Registry dates
- Enumerated
- 2013-05-16
- Last updated
- 2025-10-20
- Certified
- 2025-10-20
Frequently asked questions
- What is Timothy Chamberlain's NPI number?
- Timothy Chamberlain's National Provider Identifier (NPI) is 1487090536, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Timothy Chamberlain's specialty?
- Timothy Chamberlain is listed in the NPPES registry with a primary specialty of Emergency Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Timothy Chamberlain located?
- Timothy Chamberlain's practice location on file with NPPES is 5201 Harry Hines Blvd, Dallas, TX 75235.
- What is Timothy Chamberlain's phone number?
- The practice phone number listed in the NPPES registry for Timothy Chamberlain is (214) 590-8058.
- Does Timothy Chamberlain accept Medicare?
- Timothy Chamberlain is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Timothy Chamberlain's NPI active?
- Yes — Timothy Chamberlain's NPI (1487090536) is active in the NPPES registry as of the last update on 2025-10-20.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.