Mary Dylla, MD
NPI 1649243775 · Specialist · Saint Helena, CA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mary Dylla, MD is a Specialist provider in Saint Helena, CA (NPI 1649243775).
Provider details
- NPI number
- 1649243775
- Entity type
- Individual
- Primary specialty
- SpecialistOther Service Providers
- Credential
- MD
- Sex
- Female
- License
- G01743 (CA)
Specialties & taxonomies
Other Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
20 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 · 17 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 62 | 38 |
| Rosuvastatin Calcium | 59 | 38 |
| Alendronate Sodium | 49 | 24 |
| Levothyroxine Sodium | 42 | 25 |
| Tamsulosin Hcl | 33 | 18 |
| Pantoprazole Sodium | 22 | 11 |
| Amlodipine Besylate |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-02-09
- Last updated
- 2007-07-09
Frequently asked questions
- What is Mary Dylla's NPI number?
- Mary Dylla's National Provider Identifier (NPI) is 1649243775, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mary Dylla's specialty?
- Mary Dylla is listed in the NPPES registry with a primary specialty of Specialist (Other Service Providers).
- Where is Mary Dylla located?
- Mary Dylla's practice location on file with NPPES is 1120 Pope St, Saint Helena, CA 94574-1278.
- What is Mary Dylla's phone number?
- The practice phone number listed in the NPPES registry for Mary Dylla is (707) 963-7307.
- Does Mary Dylla accept Medicare?
- Mary Dylla is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mary Dylla's NPI active?
- Yes — Mary Dylla's NPI (1649243775) is active in the NPPES registry as of the last update on 2007-07-09.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.