NPPES file of Aug 9, 2026

Tammy P. Hylan

Pharmacist · Maryland Hts, MO

Tammy P. Hylan is a pharmacist with a practice address in Maryland Hts, Missouri, and NPI 1689957524, issued on Sep 27, 2011. Check the license (Missouri 2002002436, as entered in NPPES) with the Missouri board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1689957524
Name
Tammy P. Hylan
Primary taxonomy
Pharmacist 183500000X
License number
2002002436 MO
Self-reported in NPPES; status is on the state search
Practice location
12509 Dorsett RD, Maryland Hts, MO 63043
Phone
(314) 434-4224
Enumerated
Sep 27, 2011
Record last updated
Sep 1, 2020 (not updated in 6 years: call before relying on the address or phone)
Fax
(341) 424-6119
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 Tammy P. Hylan in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Missouri board licenses this profession
    Search for license 2002002436
    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 Missouri license search

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Most of these Medicare Part D claims are vaccines, 88% of the cost of the top drugs

65 Medicare Part D claims for 53 beneficiaries, against an average of 119 among the 28,524 providers of this specialty who prescribed in Part D. Brand-name drugs were 100% of claims.

  1. Tammy Hylan65
  2. Specialty average119

Most prescribed

Pharmacies often give vaccines under a standing order that names one clinician, and CMS counts every such claim under that clinician's NPI. These claims are therefore not a measure of this clinician's own prescribing.

  1. Shingrix44 claims
  2. Boostrix Tdap18 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.

Tammy P. Hylan among 5,343 pharmacist records in Missouri

Tammy P. Hylan is one of 5,343 pharmacist records with a practice address in Missouri. 11% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2011, is newer than 14% of them.

  • NPI issued2011 · 14% of these records are older, 71% newer
  • In a Medicare fileYes · 11% of these records are
  • In the CMS Doctors and Clinicians fileNo · under 1% of these records are
  • Record last updated2020 · 70% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 183500000X and a Missouri practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Pharmacist providers in Missouri

There are 5,343 pharmacist records in Missouri.

The 8 pharmacist records with the nearest ZIP codes

  1. Sergio Barranco MedinaMaryland Heights, MO 630431205312261
  2. Gregory Blaies, RPHMaryland Heights, MO 630431053583898
  3. Daniel Cordes, RPHMaryland Heights, MO 630431902803570
  4. James Davila, RPHMaryland Heights, MO 630431750583720
  5. Eileen Eng-LiuMaryland Heights, MO 630431033422589
  6. Mitch Graumenz, PHARM. DMaryland Heights, MO 630431790061596
  7. Michael HeeterMaryland Heights, MO 630431205312220
  8. Sal KhondakerMaryland Heights, MO 630431821492349

Common questions

What is Tammy P. Hylan's NPI number?

Tammy P. Hylan's National Provider Identifier (NPI) is 1689957524, issued on Sep 27, 2011. An NPI identifies a provider in billing; it is not a license.

Where is Tammy P. Hylan located?

The NPPES record lists a practice address at 12509 Dorsett RD, Maryland Hts, MO, 63043. Phone: (314) 434-4224. Providers update this record themselves, so call before visiting.

How can I verify Tammy P. Hylan's license?

NPPES lists Missouri license number 2002002436, as entered by the provider. Search the Missouri board that licenses this profession; the NPPES record confirms identity only.

How much does Tammy P. Hylan prescribe under Medicare Part D?

In 2024, Tammy P. Hylan had 65 Medicare Part D claims for 53 beneficiaries; the average among pharmacist prescribers was 119. Part D covers Medicare prescriptions only.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 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.

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.