Gregory Guffanti, M.D
NPI 1972820967 · Family Medicine Physician · Milwaukie, OR
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Gregory Guffanti, M.D is a Family Medicine Physician provider in Milwaukie, OR (NPI 1972820967).
Provider details
- NPI number
- 1972820967
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D
- Sex
- Male
- Sole proprietor
- No
- License
- MD161630 (OR)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
16 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
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 prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 112 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 471 | 109 |
| Amlodipine Besylate | 270 | 66 |
| Omeprazole | 205 | 39 |
| Losartan Potassium | 171 | 38 |
| Metformin Hcl | 159 | 29 |
| Albuterol Sulfatebrand: Albuterol Sulfate Hfa | 156 | 50 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2010-04-29
- Last updated
- 2020-04-20
- Certified
- 2020-04-20
Frequently asked questions
- What is Gregory Guffanti's NPI number?
- Gregory Guffanti's National Provider Identifier (NPI) is 1972820967, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Gregory Guffanti's specialty?
- Gregory Guffanti is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Gregory Guffanti located?
- Gregory Guffanti's practice location on file with NPPES is 10330 Se 32nd Ave, Milwaukie, OR 97222-6587.
- What is Gregory Guffanti's phone number?
- The practice phone number listed in the NPPES registry for Gregory Guffanti is (503) 416-1960.
- Does Gregory Guffanti accept Medicare?
- Gregory Guffanti is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Gregory Guffanti's NPI active?
- Yes — Gregory Guffanti's NPI (1972820967) is active in the NPPES registry as of the last update on 2020-04-20.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.