Helen Stafford, M.D.
NPI 1639490949 · Family Medicine Physician · Pasadena, CA
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Helen Stafford, M.D. is a Family Medicine Physician provider in Pasadena, CA (NPI 1639490949).
Provider details
- NPI number
- 1639490949
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- No
- License
- A117978 (CA)
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 · 63 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 330 | 132 |
| Lisinopril | 186 | 79 |
| Amlodipine Besylate | 156 | 64 |
| Losartan Potassium | 152 | 58 |
| Rosuvastatin Calcium | 134 | 55 |
| Metformin Hcl | 117 | 54 |
| Lisinopril/Hydrochlorothiazide |
Practice location
Mailing address
Registry dates
- Enumerated
- 2010-06-21
- Last updated
- 2021-11-29
Frequently asked questions
- What is Helen Stafford's NPI number?
- Helen Stafford's National Provider Identifier (NPI) is 1639490949, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Helen Stafford's specialty?
- Helen Stafford is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Helen Stafford located?
- Helen Stafford's practice location on file with NPPES is 1855 N Fair Oaks Ave, Pasadena, CA 91103-1620.
- What is Helen Stafford's phone number?
- The practice phone number listed in the NPPES registry for Helen Stafford is (626) 398-6300.
- Does Helen Stafford accept Medicare?
- Helen Stafford is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Helen Stafford's NPI active?
- Yes — Helen Stafford's NPI (1639490949) is active in the NPPES registry as of the last update on 2021-11-29.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.