Registry data as of Aug 27, 2026

Mary Dylla, MD

Specialist · Saint Helena, CA

Mary Dylla, MD is a specialist with a practice address in Saint Helena, California, and NPI 1649243775, issued on Feb 9, 2006. Check the license (California G01743, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, loaded Aug 27, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordas of Aug 27, 2026
1649243775
Name
Mary Dylla
Credential
MD
Primary taxonomy
Specialist 174400000X
License number
G01743 CA
Self-reported in NPPES; status is on the state search
Practice location
1120 Pope St, Saint Helena, CA 94574
Phone
(707) 963-7307
Enumerated
Feb 9, 2006
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Verify Mary Dylla in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich California board licenses this profession
    Search for license G01743
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
Find the California license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

Statewide context: the Medical Board of California reported 374 disciplinary actions in FY 2022-23. California discipline data →

43% fewer Medicare Part D claims than the average specialist in 2024

865 Medicare Part D claims for 201 beneficiaries, against an average of 1,524 among the 12,477 providers of this specialty who prescribed in Part D.

  1. Mary Dylla865
  2. Specialty average1,524

Most prescribed

  1. Atorvastatin Calcium62 claims
  2. Rosuvastatin Calcium59 claims
  3. Alendronate Sodium49 claims
  4. Levothyroxine Sodium42 claims
  5. Tamsulosin Hcl33 claims
  6. Pantoprazole Sodium22 claims

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

The Medicare quality score for 2023: 6.1 of 100

The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.

  1. Qualityout of 100 · 30% of the final score0.0
  2. Costout of 100 · 30%20.5
  3. Promoting interoperabilityout of 100 · 25%
  4. Improvement activities0 of 40 points · 15%0.0

Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).

4 specialist records list a Saint Helena practice address

They are 4 of the 232 NPPES records with a Saint Helena practice address, and 6,640 specialist records in California.

Other specialist records in California

  1. Adrienne Abad SantosSan Francisco, CA1588976435
  2. Brenda Abarca, MDTorrance, CA1407485527
  3. Fatemeh Abbasi, PTVan Nuys, CA1558496760
  4. Erlinda Abcede, M.D.Cudahy, CA1831228675
  5. Maher Abdallah, M.D.Palm Springs, CA1205988011
  6. Basim Abdelkarim, MDUpland, CA1932217544
  7. Farinaz AbdiSan Marcos, CA1063153963
  8. Mai Abe, LESanta Monica, CA1609405158
  9. Hamid Abedi, HEARING AID SPECIALISan Diego, CA1659410744
  10. Mehrad Abedi, M.D.Sacramento, CA1467459222

Common questions

What is Mary Dylla, MD's NPI number?

Mary Dylla, MD's National Provider Identifier (NPI) is 1649243775, issued on Feb 9, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Mary Dylla, MD located?

The NPPES record lists a practice address at 1120 Pope St, Saint Helena, CA, 94574. Phone: (707) 963-7307. Providers update this record themselves, so call before visiting.

How can I verify Mary Dylla, MD's license?

NPPES lists California license number G01743, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.

How much does Mary Dylla, MD prescribe under Medicare Part D?

In 2024, Mary Dylla, MD had 865 Medicare Part D claims for 201 beneficiaries; the average among specialist prescribers was 1,524. Part D covers Medicare prescriptions only.

What is Mary Dylla, MD's Medicare quality score?

The 2023 MIPS final score is 6.1 of 100. The average among 454,083 clinicians with a measured score was 83.5.

Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.