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Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

DR. JOHN D ZIPPERER JR. MD
NPI 1649212770
Internal Medicine in Los Angeles, CA

Active since June 12, 2006Opted out of Medicare · through Jun 15, 2028
520 S SEPULVEDA BLVD STE 402, LOS ANGELES, CA 90049(424) 330-2838(424) 330-2838 Get Directions Write a Review

NPPES record last updated: August 18, 2026. Verified against the NPPES registry weekly; last sync: October 04, 2026.

Record update history: Aug 18, 2026, Mar 9, 2020, Mar 30, 2017 and 1 more (4 updates tracked since 2016).

About Dr. John D Zipperer Jr. Md NPPES

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

DR. JOHN D ZIPPERER JR. MD (NPI 1649212770) is an individual internal medicine provider in Los Angeles, California, licensed in Colorado (0078128) and active in the NPI registry since June 2006. He has opted out of Medicare through June 15, 2028 and remains eligible to order and refer and maintains a secondary practice location in Greenwood Village.

NPPES Registry Identity

NPI1649212770
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NameDR. JOHN D ZIPPERER JR.Credential: MD
Location Address520 S SEPULVEDA BLVD STE 402Los Angeles, CA 90049-3537
Mailing Address520 S Sepulveda Blvd Ste 402Los Angeles, CA 90049-3537 · (424) 330-2838 · Fax (424) 330-2838
Phone(424) 330-2838
Fax(424) 330-2838
Sole ProprietorNo
Enumeration DateJune 12, 2006
Last NPPES UpdateAugust 18, 20264 updates tracked since enumeration
NPPES CertifiedAugust 18, 2026
✔ NPI 1649212770 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
Licenses✔ Licensed in CO · 0078128✔ Licensed in CA · C145502
Definition
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
Also ListedInternal Medicine · Addiction MedicineTaxonomy 207RA0401X · License 6922 (AK)
Also ListedPain Medicine · Interventional Pain MedicineTaxonomy 208VP0014X · License 6922 (AK)
520 S SEPULVEDA BLVD STE 402, Los Angeles, CA 90049
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Other Names 1

Former Name (1)John Douglas Estes M.d.

Secondary Practice Location 1

Location 16312 S Fiddlers Green Cir Ste 300EGreenwood Village, CO 80111-4831 · Phone (720) 545-2261 · Fax (720) 545-2261

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

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Opted out of Medicare

Dr. John D Zipperer Jr. Md has filed a Medicare opt-out affidavit. Services are provided under private contract between the provider and the patient, and are not billed to or reimbursed by Medicare. The opt-out is on file from June 15, 2016 through June 15, 2028.

Opt-Out Effective DateJune 15, 2016
Opt-Out In Effect ThroughJune 15, 2028Opt-out affidavits renew automatically every two years unless cancelled
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesAn opted-out provider can still order and refer for Medicare patients in the categories marked above, even though their own services are not covered.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 90049 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
$142.39 typical visit price
range $62.96 – $187.60
Typical copayment $35.59 (range $15.74 – $46.90)
Most-billed visit code 99204
Established Patient
$109.96 typical visit price
range $20.84 – $153.61
Typical copayment $27.49 (range $5.21 – $38.40)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

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 John Zipperer's NPI number?

The NPI number for John Zipperer is 1649212770. It was assigned to this individual provider in the NPPES registry on June 12, 2006. The provider is also known as John Douglas Estes M.D..

Where is John Zipperer located?

John Zipperer practices at 520 S Sepulveda Blvd Ste 402, Los Angeles, CA 90049. The listed phone number is (424) 330-2838.

What is John Zipperer's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Is John Zipperer enrolled in Medicare?

No. John Zipperer has opted out of Medicare through June 15, 2028. Care is provided under private contracts, and Medicare does not pay for services furnished by providers who have opted out. The provider remains eligible to order and refer services for Medicare patients.

When was this NPI record last updated?

The NPPES record for John Zipperer was last updated on August 18, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 53 days 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.