Fred Hsieh, M.D.
NPI 1952365165 · Allergy & Immunology Physician · Cleveland, OH
Enrolled with Medicare as Practitioner - Allergy/Immunology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Fred Hsieh, M.D. is a Allergy & Immunology Physician provider in Cleveland, OH (NPI 1952365165).
Provider details
- NPI number
- 1952365165
- Entity type
- Individual
- Primary specialty
- Allergy & Immunology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 35079697H (OH)
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
68 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) |
|---|---|---|
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 27 | $127 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 22 | $102 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 19 | $92 |
Typical Medicare-allowed amounts for these services range $92–$127 (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 · 13 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Fluticasone Propionate | 77 | 34 |
| Azelastine Hcl | 73 | 28 |
| Montelukast Sodium | 73 | 24 |
| Levocetirizine Dihydrochloride | 51 | 22 |
| Omalizumabbrand: Xolair | 28 | — |
| Famotidine | 26 | — |
| Albuterol Sulfatebrand: Albuterol Sulfate Hfa | 23 | — |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-04-14
- Last updated
- 2020-05-12
- Certified
- 2020-05-12
Frequently asked questions
- What is Fred Hsieh's NPI number?
- Fred Hsieh's National Provider Identifier (NPI) is 1952365165, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Fred Hsieh's specialty?
- Fred Hsieh is listed in the NPPES registry with a primary specialty of Allergy & Immunology Physician (Allopathic & Osteopathic Physicians).
- Where is Fred Hsieh located?
- Fred Hsieh's practice location on file with NPPES is 9500 Euclid Ave, Cleveland, OH 44195-0001.
- What is Fred Hsieh's phone number?
- The practice phone number listed in the NPPES registry for Fred Hsieh is (800) 223-2273.
- Does Fred Hsieh accept Medicare?
- Fred Hsieh is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Fred Hsieh's NPI active?
- Yes — Fred Hsieh's NPI (1952365165) is active in the NPPES registry as of the last update on 2020-05-12.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.