Frederic Passmann, MD
NPI 1538142617 · Family Medicine Physician · Aspermont, TX
Enrolled with Medicare as Practitioner - Emergency Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Frederic Passmann, MD is a Family Medicine Physician provider in Aspermont, TX (NPI 1538142617).
Provider details
- NPI number
- 1538142617
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- J6646 (TX)
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 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
91 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 | 40 | $75 |
| Hospital Discharge Day Management, 30 Minutes Or Less99238 | 22 | $77 |
| Routine Electrocardiogram (ecg) Using at Least 12 Leads With Interpretation and Report Only93010 | 15 | $8 |
| Initial Hospital Care With Moderate Level of Medical Decision Making, If Using Time, at Least 75 Minutes99223 | 14 | $165 |
Typical Medicare-allowed amounts for these services range $8–$165 (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 · 106 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Apixabanbrand: Eliquis | 295 | 20 |
| Levothyroxine Sodium | 284 | 31 |
| Potassium Chloride | 242 | 36 |
| Lisinopril | 199 | 31 |
| Pantoprazole Sodium | 195 | 29 |
| Furosemide | 188 | 34 |
| Amlodipine Besylate | 182 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2005-11-22
- Last updated
- 2016-09-30
Frequently asked questions
- What is Frederic Passmann's NPI number?
- Frederic Passmann's National Provider Identifier (NPI) is 1538142617, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Frederic Passmann's specialty?
- Frederic Passmann is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Frederic Passmann located?
- Frederic Passmann's practice location on file with NPPES is 821 N Broadway St, Aspermont, TX 79502.
- What is Frederic Passmann's phone number?
- The practice phone number listed in the NPPES registry for Frederic Passmann is (940) 989-3551.
- Does Frederic Passmann accept Medicare?
- Frederic Passmann is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Frederic Passmann's NPI active?
- Yes — Frederic Passmann's NPI (1538142617) is active in the NPPES registry as of the last update on 2016-09-30.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.