NPPES file of Aug 9, 2026

Lydia Ehlenberger, MD

Obstetrics & Gynecology Physician · Phoenix, AZ

Lydia Ehlenberger, MD is an obstetrics & gynecology physician with a practice address in Phoenix, Arizona, and NPI 1700846631, issued on Mar 24, 2006. Check the license (Arizona 29643, as entered in NPPES) on the Arizona 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
1700846631
Name
Lydia Ehlenberger
Credential
MD
Primary taxonomy
Obstetrics & Gynecology Physician 207V00000X
License number
29643 AZ
Self-reported in NPPES; status is on the state search
Practice location
4616 N 51St Ave, Phoenix, AZ 85031
Phone
(623) 247-6266
Enumerated
Mar 24, 2006
Record last updated
Aug 18, 2016 (not updated in 10 years: call before relying on the address or phone)
Fax
(623) 247-9742
Medicaid ID
871261 AZ
Medicare enrollment
Enrolled (PECOS I20240814001578); accepts Medicare assignment
Medical or professional school
University Of Arizona College Of Medicine, 1999
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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Also registered at 4616 N 51St Ave

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

  1. Frances Aragon, LCSWCounselor1649230616
  2. Michelle Hargis, P.T.Orthopedic Physical Therapist1467642306
  3. Sylvia Hayashi, NPObstetrics & Gynecology Nurse Practitioner1306806195
  4. Cynthia Hinojosa, N.D.Naturopath1083039481
  5. William Holland, M.D.Internal Medicine Physician1114087293
  6. Shalene Miller, PMHNP-BCPsychiatric/Mental Health Nurse Practitioner1275421471

Verify Lydia Ehlenberger in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersArizona Medical Board
    Search for license 29643    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 Arizona license search

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69% fewer Medicare Part D claims than the average obstetrics & gynecology physician in 2024

51 Medicare Part D claims for 18 beneficiaries, against an average of 165 among the 28,733 providers of this specialty who prescribed in Part D.

  1. Lydia Ehlenberger51
  2. Specialty average165

Most prescribed

  1. Fluconazole12 claims
  2. Spironolactone12 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.

Bills Medicare through 2 group practices

  1. Winslow Indian Health Care Center IncWinslow, AZ
  2. Winslow Memorial Hospital IncWinslow, AZ

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

Obstetrics & Gynecology Physician providers in Arizona

There are 803 obstetrics & gynecology physician records in Arizona.

All 803 in Arizona → Every provider in Phoenix →

Other obstetrics & gynecology physician records in Arizona

  1. Michelle Abbate, MDTucson, AZ1184111940
  2. Judith Adams, MDGilbert, AZ1457644759
  3. Julie Adams, DOChandler, AZ1285607333
  4. Karen Adams, MDPhoenix, AZ1023192333
  5. Andrew Adamson, DOMesa, AZ1124330220
  6. Elana Addis, M.DTucson, AZ1730150582
  7. Eugene Adel, M.D.Mesa, AZ1609301621
  8. Oluwatoyosi Adeoye, MDPhoenix, AZ1316679921
  9. Nicole Afuape, M.D.Phoenix, AZ1912391210
  10. Farshad Agahi, M.D.Phoenix, AZ1386886430

Common questions

What is Lydia Ehlenberger, MD's NPI number?

Lydia Ehlenberger, MD's National Provider Identifier (NPI) is 1700846631, issued on Mar 24, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Lydia Ehlenberger, MD located?

The NPPES record lists a practice address at 4616 N 51St Ave, Phoenix, AZ, 85031. Phone: (623) 247-6266. Providers update this record themselves, so call before visiting.

How can I verify Lydia Ehlenberger, MD's license?

NPPES lists Arizona license number 29643, as entered by the provider. Search the Arizona Medical Board at https://www.azmd.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Lydia Ehlenberger, MD prescribe under Medicare Part D?

In 2024, Lydia Ehlenberger, MD had 51 Medicare Part D claims for 18 beneficiaries; the average among obstetrics & gynecology physician prescribers was 165. 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.