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DR. KEITH GREGORY HEINZERLING MD
NPI 1184724932
Internal Medicine - Addiction Medicine in Santa Monica, CA

Active since September 22, 2006PECOS EnrolledAccepts Medicare Assignment
1301 20TH ST STE 540, SANTA MONICA, CA 90404(310) 582-7612(424) 277-6342 Get Directions Write a Review

NPPES record last updated: April 13, 2021. Verified against the NPPES registry weekly; last sync: July 26, 2026.

Record update history: Apr 13, 2021, Aug 28, 2020 (2 updates tracked since 2020).

About Dr. Keith Gregory Heinzerling Md NPPES

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

DR. KEITH GREGORY HEINZERLING MD (NPI 1184724932) is an individual addiction medicine provider in Santa Monica, California, licensed in California (A79201) and active in the NPI registry since September 2006. He is enrolled in Medicare PECOS, maintains a secondary practice location in Santa Monica, and is a graduate of Stanford University School Of Medicine (1998).

NPPES Registry Identity

NPI1184724932
Entity TypeIndividualMale
Primary Taxonomy207RA0401X
Provider Legal NameDR. KEITH GREGORY HEINZERLINGCredential: MD
Location Address1301 20TH ST STE 540Santa Monica, CA 90404-2118
Mailing Address1920 Colorado AveSanta Monica, CA 90404-3414 · (310) 319-4700 · Fax (310) 393-5659
Phone(310) 582-7612
Fax(424) 277-6342
Sole ProprietorNo
Medical School CMSStanford University School Of MedicineGraduated 1998
Enumeration DateSeptember 22, 2006
Last NPPES UpdateApril 13, 20212 updates tracked since enumeration
NPPES CertifiedApril 13, 2021
✔ NPI 1184724932 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal Medicine · Addiction MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207RA0401X
License✔ Licensed in CA · A79201
Definition
An internist doctor of osteopathy that specializes in the treatment of addiction disorders. A doctor of osteopathy that is board eligible/certified by the American Osteopathic Board of Internal Medicine can obtain a Certificate of Added Qualifications in the field of Addiction Medicine.
Also ListedInternal MedicineTaxonomy 207R00000X · License A79201 (CA)
1301 20TH ST STE 540, Santa Monica, CA 90404
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Secondary Practice Location 1

Location 11920 Colorado AveSanta Monica, CA 90404-3414 · Phone (310) 319-4700 · Fax (310) 393-5659

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Providence Health Plan.Insurance ›

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. Keith Gregory Heinzerling 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 ID7618904038
PECOS Enrollment IDI20050718000694
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.

Areas of Expertise CMS Part B claims 3

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
92 services22 patients
Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213
This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.
51 services23 patients
New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more 99204
This is a first-time office or outpatient visit lasting between 45-59 minutes. The healthcare provider evaluates your health, discusses your medical history, and may suggest further tests or treatments. It's an opportunity to ask questions and understand your health better.
17 services17 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 90404 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.

Other Providers at the Same Location NPPES 4

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

DR. SHANTHI GOWRINATHAN M.D.
Psychiatry & Neurology (Psychosomatic Medicine)
1301 20TH ST STE 540
SANTA MONICA, CA 90404
Los Angeles County (310) 582-7641
JULIANA NICOLE HUDSON ASW
Social Worker (Clinical)
1301 20TH ST STE 540
SANTA MONICA, CA 90404
Los Angeles County (310) 582-7612
DR. MICAH LINTON PSY.D.
Psychologist (Clinical)
1301 20TH ST STE 540
SANTA MONICA, CA 90404
Los Angeles County (310) 582-7612
KARINA SERGI M.S.
Marriage & Family Therapist
1301 20TH ST STE 540
SANTA MONICA, CA 90404
Los Angeles County (310) 582-7612

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 Keith Heinzerling's NPI number?

The NPI number for Keith Heinzerling is 1184724932. It was assigned to this individual provider in the NPPES registry on September 22, 2006.

Where is Keith Heinzerling located?

Keith Heinzerling practices at 1301 20th St Ste 540, Santa Monica, CA 90404. The listed phone number is (310) 582-7612.

What is Keith Heinzerling's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Addiction Medicine, with taxonomy code 207RA0401X.

Is Keith Heinzerling enrolled in Medicare?

Yes. Keith Heinzerling 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.

What insurance does Keith Heinzerling accept?

Health plans from Providence Health Plan list Keith Heinzerling 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 Keith Heinzerling was last updated on April 13, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.