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MARK E. HARLACHER M.D.
NPI 1457360638
Anesthesiology in Oxnard, CA

Active since August 05, 2006PECOS EnrolledAccepts Medicare Assignment
95/100
CMS Quality Rating
1600 N ROSE AVE, OXNARD, CA 93030(805) 988-2500 Get Directions Write a Review

NPPES record last updated: July 29, 2014. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Mark E. Harlacher M.d. NPPES

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

MARK E. HARLACHER M.D. (NPI 1457360638) is an individual anesthesiology provider in Oxnard, California, licensed in California (G62312) and active in the NPI registry since August 2006. He is enrolled in Medicare PECOS and is a graduate of University Of California, Geffen School Of Medicine (1986).

NPPES Registry Identity

NPI1457360638
Entity TypeIndividualMale
Primary Taxonomy207L00000X
Provider Legal NameMARK E. HARLACHERCredential: M.D.
Location Address1600 N ROSE AVEOxnard, CA 93030-3722
Mailing Address3116 W March Ln, Ste. 200Stockton, CA 95219-2369 · (209) 473-6555 · Fax (209) 473-6544
Phone(805) 988-2500
Sole ProprietorNo
Medical School CMSUniversity Of California, Geffen School Of MedicineGraduated 1986
Enumeration DateAugust 5, 2006
Last NPPES UpdateJuly 29, 2014
✔ NPI 1457360638 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyAnesthesiologyAllopathic & Osteopathic Physicians
Taxonomy Code207L00000X
License✔ Licensed in CA · G62312
Definition
An anesthesiologist is trained to provide pain relief and maintenance, or restoration, of a stable condition during and immediately following an operation or an obstetric or diagnostic procedure. The anesthesiologist assesses the risk of the patient undergoing surgery and optimizes the patient's condition prior to, during and after surgery. In addition to these management responsibilities, the anesthesiologist provides medical management and consultation in pain management and critical care medicine. Anesthesiologists diagnose and treat acute, long-standing and cancer pain problems; diagnose and treat patients with critical illnesses or severe injuries; direct resuscitation in the care of patients with cardiac or respiratory emergencies, including the need for artificial ventilation; and supervise post-anesthesia recovery.
1600 N ROSE AVE, Oxnard, CA 93030
Open in Google Maps ↗

Other Identifiers 10

Other050076021CA · Railroad Medicare
Medicaid00G623120CA
Medicare PINGA62312ACA
Medicare PINW14219A
Medicare PINWG62312DCA
Medicare PING62312ACA
Medicare PINW14219CA
Medicare PINW14219BCA
Medicare PINW19549CA
Medicare PINWG62312CCA

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

Mark E. Harlacher M.d. 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 ID4587678917
PECOS Enrollment IDI20060207000222
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 Mark Harlacher reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Oxnard Camarillo Anesthesiology Medical Group
8.0 mi
Anesthesiology
2309 ANTONIO AVE
Camarillo, CA 93010
  • Reassigned Medicare billing, California enrollment
  • 12 clinicians in this Medicare group
NPI 1548285307 (805) 988-2500
Palm Springs Anesthesia Services, PC
108 mi
Anesthesiology
2101 N WATERMAN AVE
San Bernardino, CA 92404
  • Reassigned Medicare billing, California enrollment
  • 270 clinicians in this Medicare group
NPI 1083928501 (914) 491-9495

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

Areas of Expertise CMS Part B claims 7

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.

Anesthesia for lens surgery 00142
Anesthesia for lens surgery involves administering medication to numb the eye area, ensuring you feel no pain during the procedure. This can be a local anesthetic (numbing only the eye area) or general (where you're asleep). It helps make the surgery comfortable and stress-free.
115 services105 patients
Anesthesia for injection, drainage or aspiration procedures on spine or spinal cord of lower back accessed through skin using imaging guidance 01938
This procedure involves using anesthesia to numb your lower back for certain procedures like injections, drainage, or aspiration on your spine or spinal cord. Imaging guidance is used to accurately locate the area to be treated, ensuring precision and safety.
55 services54 patients
Anesthesia for nerve destruction procedures on spine or spinal cord of lower back accessed through skin using imaging guidance 01940
This is a procedure where anesthesia is applied to numb specific nerves in your lower back. Using imaging guidance, the doctor can accurately locate these nerves through the skin. This is done to alleviate pain by disrupting nerve signals. It's a safe and effective method.
25 services24 patients
Anesthesia for nerve modulation procedure spinal cord or repair of bone of spine of lower back accessed through skin using imaging guidance 01942
Anesthesia for nerve modulation or spine repair involves numbing the lower back area. This is done to ensure you don't feel pain during the procedure. The doctor uses imaging technology to accurately place the anesthetic. This makes the procedure safer and more effective.
18 services17 patients
Anesthesia for nerve block and injection procedure, prone position 01992
Anesthesia for nerve block and injection is a procedure to numb specific areas, reducing pain. You'll be positioned face-down (prone) for optimal access to the treatment area. The anesthetic is injected near the nerve, blocking pain signals to the brain.
17 services16 patients
Anesthesia for injection, drainage or aspiration procedures on spine or spinal cord of neck or upper back accessed through skin using imaging guidance 01937
This procedure involves administering anesthesia to numb the neck or upper back area. This helps in carrying out procedures like injection, drainage, or aspiration on the spine or spinal cord. Imaging guidance is used to ensure accurate placement, enhancing safety and effectiveness.
16 services16 patients

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

95/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality88.9
Improvement Activities40
Cost70.34

Other Providers at the Same Location NPPES 20

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

CHRISTINE CHANG MD
Emergency Medicine
1600 N ROSE AVE
OXNARD, CA 93030
Ventura County (805) 988-2663
MARIE ELIZABETH WILSON F.N.P.
Nurse Practitioner
1600 N ROSE AVE
OXNARD, CA 93030
Ventura County (805) 988-2843
DR. MARY A. VREEKE M.D.
Anesthesiology
1600 N ROSE AVE
OXNARD, CA 93030
Ventura County (805) 988-2500
JON P. BELLEVILLE M.D.
Anesthesiology
1600 N ROSE AVE
OXNARD, CA 93030
Ventura County (805) 988-2818
MISSIONE EMERGENCY MEDICAL ASSOCIATES
Emergency Medicine (Pediatric Emergency Medicine)
1600 N ROSE AVE
OXNARD, CA 93030
Ventura County (805) 988-2674
THOMAS R DORIA M D A MEDICAL CORP
Anesthesiology
1600 N ROSE AVE
OXNARD, CA 93030
Ventura County (805) 988-2500
DR. JACK SHENOUDA M.D.
Hospitalist
1600 N ROSE AVE
OXNARD, CA 93030
Ventura County (717) 577-3938
NIVEDITA WALLACE MEDICAL CORPORATION
Anesthesiology
1600 N ROSE AVE
OXNARD, CA 93030
Ventura County (805) 988-2500

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 Mark Harlacher's NPI number?

The NPI number for Mark Harlacher is 1457360638. It was assigned to this individual provider in the NPPES registry on August 5, 2006.

Where is Mark Harlacher located?

Mark Harlacher practices at 1600 N Rose Ave, Oxnard, CA 93030. The listed phone number is (805) 988-2500.

What is Mark Harlacher's specialty?

The primary specialty registered for this NPI is Anesthesiology with taxonomy code 207L00000X.

Is Mark Harlacher enrolled in Medicare?

Yes. Mark Harlacher 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 Mark Harlacher's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Mark Harlacher reassigns Medicare benefits to 2 organizations: Oxnard Camarillo Anesthesiology Medical Group (Camarillo, CA) and Palm Springs Anesthesia Services, PC (San Bernardino, CA). 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 Mark Harlacher's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Mark Harlacher was last updated on July 29, 2014. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 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.