Registry data as of Aug 27, 2026

Alanna Tieman

Internal Medicine Physician · New York, NY

Alanna Tieman is an internal medicine physician with a practice address in New York, New York, and NPI 1255835500, issued on Mar 21, 2018. Check the license (New York 308537, as entered in NPPES) on the NYS Education Department, Office of the Professions; 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
1255835500
Name
Alanna Tieman
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
308537 NY
Self-reported in NPPES; status is on the state search
Practice location
35 E 21St St FL 7, New York, NY 10010
Phone
(888) 663-6331
Enumerated
Mar 21, 2018
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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Also registered at 35 E 21St St FL 7

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Emily Caruso, DOFamily Medicine Physician1003495839
  2. Aimee Erickson, FNP, RN, BSNRegistered Nurse1922359686
  3. Patrice Maro, PAPhysician Assistant1285148676
  4. Schantal Polanco, M.D.Student in an Organized Health Care Education/Training Program1154761658
  5. Satish Reddy, MDFamily Medicine Physician1265454631
  6. Matthew Smith, MDFamily Medicine Physician1275984965

Verify Alanna Tieman in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersNYS Education Department, Office of the Professions
    Search for license 308537
    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
Open the New York 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.

98% fewer Medicare Part D claims than the average internal medicine physician in 2024

62 Medicare Part D claims for 18 beneficiaries, against an average of 2,785 among the 127,794 providers of this specialty who prescribed in Part D.

  1. Alanna Tieman62
  2. Specialty average2,785

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.

One hospital or facility affiliation

  1. One Medical OF NY PCNew York, NY

Source: CMS Doctors and Clinicians affiliations; Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.

3,108 internal medicine physician records list a New York practice address

They are 3,108 of the 98,468 NPPES records with a New York practice address, and 13,725 internal medicine physician records in New York.

Other internal medicine physician records in New York

  1. Deborah Aanonsen, D.O.Staten Island, NY1952395717
  2. Nivedita Aanur, M.D.New York, NY1982833471
  3. Jay Aaron, MDGreat Neck, NY1245332956
  4. Justin Aaron, MDNew York, NY1619243912
  5. Ahmad AbadiPoughkeepsie, NY1780258517
  6. Jamsheed Abadi, MDBrooklyn, NY1477537496
  7. Theophine Abakporo, M.D.Brooklyn, NY1972564813
  8. Antonieta Abarientos, MDNew Rochelle, NY1649285123
  9. Charles Abate, MDOssining, NY1720180003
  10. Vyachislav Abayev, M.D.Brooklyn, NY1437394574

Common questions

What is Alanna Tieman's NPI number?

Alanna Tieman's National Provider Identifier (NPI) is 1255835500, issued on Mar 21, 2018. An NPI identifies a provider in billing; it is not a license.

Where is Alanna Tieman located?

The NPPES record lists a practice address at 35 E 21St St FL 7, New York, NY, 10010. Phone: (888) 663-6331. Providers update this record themselves, so call before visiting.

How can I verify Alanna Tieman's license?

NPPES lists New York license number 308537, as entered by the provider. Search the NYS Education Department, Office of the Professions at https://www.op.nysed.gov/services/verifications/online-verification-searches. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Alanna Tieman prescribe under Medicare Part D?

In 2024, Alanna Tieman had 62 Medicare Part D claims for 18 beneficiaries; the average among internal medicine physician prescribers was 2,785. Part D covers Medicare prescriptions only.

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.