Howard Pyo, D.O
NPI 1831540632 · Family Medicine Physician · Fullerton, CA
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Howard Pyo, D.O is a Family Medicine Physician provider in Fullerton, CA (NPI 1831540632).
Provider details
- NPI number
- 1831540632
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- D.O
- Sex
- Male
- Sole proprietor
- No
- License
- 20A18709 (CA)
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
9 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
2,645 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 Nursing Facility Care With Moderate Level of Medical Decision Making, Per Day, If Using Time, at Least 30 Minutes99309 | 1,826 | $114 |
| Subsequent Nursing Facility Care With Moderate Level of Medical Decision Making, Per Day, If Using Time, at Least 30 Minutes99309 | 221 | $114 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 102 | $137 |
| Initial Nursing Facility Care With High Level of Medical Decision Making, Per Day, If Using Time, 50 Minutes Or More99306 | 98 | $189 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 93 | $109 |
| Advance Care Planning, First 30 Minutes |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 63 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 139 | 41 |
| Apixabanbrand: Eliquis | 78 | 13 |
| Metformin Hcl | 77 | 16 |
| Gabapentin | 72 | 19 |
| Lisinopril | 71 | 22 |
| Losartan Potassium | 69 | 21 |
| Trazodone Hcl |
Practice location
Mailing address
Additional practice locations (1)
- 360 E 7th St Ste BUpland, CA 91786-6701Phone: (657) 799-0993Fax: (909) 515-5180
Registry dates
- Enumerated
- 2016-06-23
- Last updated
- 2026-05-01
- Certified
- 2026-05-01
Frequently asked questions
- What is Howard Pyo's NPI number?
- Howard Pyo's National Provider Identifier (NPI) is 1831540632, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Howard Pyo's specialty?
- Howard Pyo is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Howard Pyo located?
- Howard Pyo's practice location on file with NPPES is 2000 E Chapman Ave, Fullerton, CA 92831-4103.
- What is Howard Pyo's phone number?
- The practice phone number listed in the NPPES registry for Howard Pyo is (909) 802-0015.
- Does Howard Pyo accept Medicare?
- Howard Pyo is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Howard Pyo's NPI active?
- Yes — Howard Pyo's NPI (1831540632) is active in the NPPES registry as of the last update on 2026-05-01.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.