LYDIA EHLENBERGER MD
NPI 1700846631
Obstetrics & Gynecology in Phoenix, AZ

Active since March 24, 2006PECOS EnrolledAccepts Medicare Assignment
4616 N 51ST AVE, PHOENIX, AZ 85031(623) 247-6266(623) 247-9742 Get Directions Write a Review

NPPES record last updated: August 18, 2016. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Lydia Ehlenberger Md NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

LYDIA EHLENBERGER MD (NPI 1700846631) is an individual obstetrics & gynecology provider in Phoenix, Arizona, licensed in Arizona (29643) and active in the NPI registry since March 2006. She is enrolled in Medicare PECOS and is a graduate of University Of Arizona College Of Medicine (1999).

NPPES Registry Identity

NPI1700846631
Entity TypeIndividualFemale
Primary Taxonomy207V00000X
Provider Legal NameLYDIA EHLENBERGERCredential: MD
Location Address4616 N 51ST AVEPhoenix, AZ 85031-1721
Mailing Address2702 N 3rd StPhoenix, AZ 85004-4608 · (602) 323-3407 · Fax (602) 323-3496
Fax(623) 247-9742
Sole ProprietorNo
Medical School CMSUniversity Of Arizona College Of MedicineGraduated 1999
Enumeration DateMarch 24, 2006
Last NPPES UpdateAugust 18, 2016
✔ NPI 1700846631 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyObstetrics & GynecologyAllopathic & Osteopathic Physicians
Taxonomy Code207V00000X
License✔ Licensed in AZ · 29643
Definition
An obstetrician/gynecologist possesses special knowledge, skills and professional capability in the medical and surgical care of the female reproductive system and associated disorders. This physician serves as a consultant to other physicians and as a primary physician for women.
4616 N 51ST AVE, Phoenix, AZ 85031

Other Identifiers 3

Medicare ID-Type Unspecified84428AZ · Medicare Number
Medicaid871261AZ
Medicare UPINI17875AZ

Accepted Insurance

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Lydia Ehlenberger Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID446210629
PECOS Enrollment IDI20240814001578
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignments

2

Medicare enrollment records show Lydia Ehlenberger reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Public Health, Federal
500 N INDIANA AVE
Winslow, AZ 86047
  • Reassigned Medicare billing, Texas enrollment
  • 219 clinicians in this Medicare group
General Practice
200 E LEE ST
Winslow, AZ 86047
  • Reassigned Medicare billing, Arizona enrollment
  • Also billed through NPI 1477653889 (Arizona)
  • 71 clinicians in this Medicare group

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 85031 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$127.71 typical visit price
range $55.44 – $168.60
Typical copayment $31.92 (range $13.86 – $42.15)
Most-billed visit code 99204
Established Patient
$69.24 typical visit price
range $17.72 – $137.41
Typical copayment $17.31 (range $4.43 – $34.35)
Most-billed visit code 99213
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 10

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Naturopath
4616 N 51ST AVE, STE 103
PHOENIX, AZ 85031
Radiology (Diagnostic Radiology)
4616 N 51ST AVE, SUITE 104
PHOENIX, AZ 85031
Internal Medicine
4616 N 51ST AVE, STE. 203B
PHOENIX, AZ 85031
Family Medicine
4616 N 51ST AVE, SUITE 102
PHOENIX, AZ 85031
Nurse Practitioner (Psychiatric/Mental Health)
4616 N 51ST AVE
PHOENIX, AZ 85031
Nurse Practitioner (Obstetrics & Gynecology)
4616 N 51ST AVE
PHOENIX, AZ 85031
Physical Therapist (Orthopedic)
4616 N 51ST AVE, 106
PHOENIX, AZ 85031
Counselor
4616 N 51ST AVE
PHOENIX, AZ 85031

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Lydia Ehlenberger's NPI number?

The NPI number for Lydia Ehlenberger is 1700846631. It was assigned to this individual provider in the NPPES registry on March 24, 2006.

Where is Lydia Ehlenberger located?

Lydia Ehlenberger practices at 4616 N 51st Ave, Phoenix, AZ 85031. The listed phone number is (623) 247-6266.

What is Lydia Ehlenberger's specialty?

The primary specialty registered for this NPI is Obstetrics & Gynecology with taxonomy code 207V00000X.

Is Lydia Ehlenberger enrolled in Medicare?

Yes. Lydia Ehlenberger is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Which organizations bill Medicare for Lydia Ehlenberger's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Lydia Ehlenberger reassigns Medicare benefits to 2 organizations: Winslow Indian Health Care Center, Inc (Winslow, AZ) and Winslow Memorial Hospital Inc (Winslow, AZ). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Lydia Ehlenberger's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Lydia Ehlenberger accept?

Health plans from Ambetter Health, Ambetter from Arizona Complete Health, Blue Cross Blue Shield of Arizona, Imperial Insurance Companies, Inc. and Oscar Health Plan, Inc. and 1 other insurer list Lydia Ehlenberger as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Lydia Ehlenberger was last updated on August 18, 2016. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.