Gary Singer, D.O.
NPI 1275573974 · Emergency Medicine Physician · Nashville, TN
Enrolled with Medicare as Practitioner - Emergency Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Gary Singer, D.O. is a Emergency Medicine Physician provider in Nashville, TN (NPI 1275573974).
Provider details
- NPI number
- 1275573974
- Entity type
- Individual
- Primary specialty
- Emergency Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- D.O.
- Sex
- Male
- Sole proprietor
- No
- License
- 01220 (TN)
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
20 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
256 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 Moderate Level of Medical Decision Making99284 | 115 | $111 |
| Emergency Department Visit With High Level of Medical Decision Making99285 | 108 | $161 |
| Emergency Department Visit With Low Level of Medical Decision Making99283 | 21 | $65 |
| Critical Care, First 30-74 Minutes99291 | 12 | $194 |
Typical Medicare-allowed amounts for these services range $65–$194 (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 · 10 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Prednisone | 38 | 38 |
| Cephalexin | 38 | 31 |
| Dicyclomine Hcl | 20 | 19 |
| Hydrocodone/Acetaminophenbrand: Hydrocodone-Acetaminophen | 20 | 19 |
| Doxycycline Hyclate | 18 | 18 |
| Amoxicillin | 16 | 16 |
| Meloxicam | 14 | 14 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-06-08
- Last updated
- 2007-11-07
Frequently asked questions
- What is Gary Singer's NPI number?
- Gary Singer's National Provider Identifier (NPI) is 1275573974, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Gary Singer's specialty?
- Gary Singer is listed in the NPPES registry with a primary specialty of Emergency Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Gary Singer located?
- Gary Singer's practice location on file with NPPES is 2300 Patterson St, Nashville, TN 37203-1538.
- What is Gary Singer's phone number?
- The practice phone number listed in the NPPES registry for Gary Singer is (615) 342-1000.
- Does Gary Singer accept Medicare?
- Gary Singer is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Gary Singer's NPI active?
- Yes — Gary Singer's NPI (1275573974) is active in the NPPES registry as of the last update on 2007-11-07.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.