Howard Gregersen, M.D.
NPI 1467474999 · Internal Medicine Physician · Lompoc, CA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Howard Gregersen, M.D. is a Internal Medicine Physician provider in Lompoc, CA (NPI 1467474999).
Provider details
- NPI number
- 1467474999
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- A52744 (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
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
15 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) |
|---|---|---|
| Routine Electrocardiogram (ecg) Using at Least 12 Leads With Tracing93005 | 15 | $7 |
Typical Medicare-allowed amounts for these services range $7–$7 (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 · 12 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Amlodipine Besylate | 27 | 15 |
| Gabapentin | 19 | — |
| Albuterol Sulfatebrand: Albuterol Sulfate Hfa | 16 | — |
| Amoxicillin/Potassium Clavbrand: Amoxicillin-Clavulanate Potass | 13 | 13 |
| Pantoprazole Sodium | 13 | — |
| Buspirone Hcl | 12 | — |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-07-24
- Last updated
- 2013-03-14
Frequently asked questions
- What is Howard Gregersen's NPI number?
- Howard Gregersen's National Provider Identifier (NPI) is 1467474999, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Howard Gregersen's specialty?
- Howard Gregersen is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Howard Gregersen located?
- Howard Gregersen's practice location on file with NPPES is 301 N R St, Lompoc, CA 93436-5226.
- What is Howard Gregersen's phone number?
- The practice phone number listed in the NPPES registry for Howard Gregersen is (805) 737-6400.
- Does Howard Gregersen accept Medicare?
- Howard Gregersen is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Howard Gregersen's NPI active?
- Yes — Howard Gregersen's NPI (1467474999) is active in the NPPES registry as of the last update on 2013-03-14.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.