Frederick Walther, MD
NPI 1508870163 · Emergency Medicine Physician · Yorktown Heights, NY
Enrolled with Medicare as Practitioner - Emergency Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Frederick Walther, MD is a Emergency Medicine Physician provider in Yorktown Heights, NY (NPI 1508870163).
Provider details
- NPI number
- 1508870163
- Entity type
- Individual
- Primary specialty
- Emergency Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 197145 (NY)
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
19 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
1,015 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) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 414 | $101 |
| Respiratory Infectious Agent Detection By Rna for Severe Acute Respiratory Syndrome Coronavirus 2 (covid 19), Influenza A, Influenza B, and Respiratory Syncytial Virus, Upper Respiratory Specimen, Each Reported As Detected Or Not Detected0241U | 154 | $140 |
| New Patient Office Or Other Outpatient Visit With Low Level of Medical Decision Making, If Using Time, 30 Minutes Or More99203 | 132 | $125 |
| Detection Test By Nucleic Acid for Strep (streptococcus, Group A), Amplified Probe Technique87651 | 55 | $34 |
| Urinalysis, Manual Test81002 | 54 | $3 |
| Bacterial Colony Count, Urine |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 14 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Cephalexin | 65 | 65 |
| Amoxicillin/Potassium Clavbrand: Amoxicillin-Clavulanate Potass | 54 | 53 |
| Methylprednisolone | 43 | 43 |
| Azithromycin | 40 | 40 |
| Nirmatrelvir/Ritonavirbrand: Paxlovid | 35 | 34 |
| Doxycycline Hyclate | 27 | 27 |
| Nitrofurantoin Monohyd/M-Crystbrand: Nitrofurantoin Mono-Macro | 26 | 26 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-07-28
- Last updated
- 2016-09-09
Frequently asked questions
- What is Frederick Walther's NPI number?
- Frederick Walther's National Provider Identifier (NPI) is 1508870163, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Frederick Walther's specialty?
- Frederick Walther is listed in the NPPES registry with a primary specialty of Emergency Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Frederick Walther located?
- Frederick Walther's practice location on file with NPPES is 225 Veterans Rd, Yorktown Heights, NY 10598-4436.
- What is Frederick Walther's phone number?
- The practice phone number listed in the NPPES registry for Frederick Walther is (914) 241-1050.
- Does Frederick Walther accept Medicare?
- Frederick Walther is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Frederick Walther's NPI active?
- Yes — Frederick Walther's NPI (1508870163) is active in the NPPES registry as of the last update on 2016-09-09.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.