NPPES file of Aug 9, 2026

April Lauren Lowenthal, M.D.

Family Medicine Physician · Hilo, HI

April Lauren Lowenthal, M.D. is a family medicine physician with a practice address in Hilo, Hawaii, and NPI 1609005685, issued on Jul 10, 2009. Check the license (Hawaii 21199, as entered in NPPES) on the Hawaii Medical Board; 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
1609005685
Name
April Lauren Lowenthal
Credential
M.D.
Primary taxonomy
Family Medicine Physician 207Q00000X
License numbers
21199 HI
072811 GA
Self-reported in NPPES; status is on the state search
Practice location
1178 Kinoole St, Hilo, HI 96720
Phone
(808) 333-3600
Enumerated
Jul 10, 2009
Record last updated
Jul 19, 2022
Medicare enrollment
Enrolled (PECOS I20200911000701); accepts Medicare assignment
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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8 nearest family medicine physician records → All 730 in Hawaii → Look up another NPI →

Also registered at 1178 Kinoole St

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

  1. Richard Agenten, RNDiabetes Educator Registered Nurse1578886529
  2. Wilfred Alik, MDFamily Medicine Physician1366542060
  3. Mark Bergner, RNRegistered Nurse1508003575
  4. Anita Ciarleglio, PH.D. RPH.Pharmacist1093841215
  5. Deanna Dahlem, MS, RD, BC-ADM, CDERegistered Dietitian1386793495
  6. Mallory DurelRegistered Nurse1285957316

Verify April Lauren Lowenthal in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersHawaii Medical Board
    Search for license 21199    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 Hawaii 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.

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76% fewer Medicare Part D claims than the average family medicine physician in 2024

852 Medicare Part D claims for 286 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 14% of claims.

  1. April Lowenthal852
  2. Specialty average3,544

Most prescribed

  1. Amlodipine Besylate68 claims
  2. Atorvastatin Calcium61 claims
  3. Lisinopril58 claims
  4. Losartan Potassium51 claims
  5. Levothyroxine Sodium28 claims
  6. Metformin Hcl24 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.

Industry payments in 2024: $19.81

1 payment: food and beverage; the largest payer was Dexcom, Inc. The 55,478 providers of this specialty with any payment received $902.55 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. April Lowenthal$19.81
  2. Specialty average$902.55

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Bills Medicare through one group practice

  1. Ecare Hawaii LLCHilo, HI

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

April Lauren Lowenthal among 730 family medicine physician records in Hawaii

April Lauren Lowenthal, M.D. is one of 730 family medicine physician records with a practice address in Hawaii. 65% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2009, is newer than 57% of them.

  • NPI issued2009 · 57% of these records are older, 41% newer
  • In a Medicare fileYes · 65% of these records are
  • In the CMS Doctors and Clinicians fileYes · 53% of these records are
  • Graduated2006 · median 2006 among the 383 with a school on file
  • Record last updated2022 · 54% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a Hawaii practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

58 family medicine physician records list a practice address in Hilo

They are 58 of the 1,758 NPPES records with a practice address in Hilo, and 730 family medicine physician records in Hawaii.

All 730 in Hawaii → Every provider in Hilo → Family Medicine Physician nationwide →

The 8 family medicine physician records with the nearest ZIP codes

  1. Alice Adee, MDHilo, HI 967201376638734
  2. Wilfred Alik, MDHilo, HI 967201366542060
  3. Susan Cauley, M.D.Hilo, HI 967201881701076
  4. Lynda Dolan, M.D.Hilo, HI 967201548207319
  5. Charles Dundas, M.D.Hilo, HI 967201285647826
  6. Edwin Etcubanez, MDHilo, HI 967201679555866
  7. Sheareen Gedayloo, M.D.Hilo, HI 967201801840525
  8. Lily Gillespie, MDHilo, HI 967201649370412

Common questions

What is April Lauren Lowenthal, M.D.'s NPI number?

April Lauren Lowenthal, M.D.'s National Provider Identifier (NPI) is 1609005685, issued on Jul 10, 2009. An NPI identifies a provider in billing; it is not a license.

Where is April Lauren Lowenthal, M.D. located?

The NPPES record lists a practice address at 1178 Kinoole St, Hilo, HI, 96720. Phone: (808) 333-3600. Providers update this record themselves, so call before visiting.

How can I verify April Lauren Lowenthal, M.D.'s license?

NPPES lists Hawaii license number 21199, as entered by the provider. Search the Hawaii Medical Board at https://cca.hawaii.gov/pvl/boards/medical/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does April Lauren Lowenthal, M.D. prescribe under Medicare Part D?

In 2024, April Lauren Lowenthal, M.D. had 852 Medicare Part D claims for 286 beneficiaries; the average among family medicine physician prescribers was 3,544. 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.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.