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DR. MATTHEW H. HART M.D.
NPI 1265545040
Anesthesiology in Pasadena, CA

Active since August 16, 2006PECOS EnrolledAccepts Medicare Assignment
64.95/100
CMS Quality Rating
300 W CALIFORNIA BLVD, PASADENA, CA 91105(626) 397-5000(626) 397-2912 Get Directions Write a Review

NPPES record last updated: December 24, 2008. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Dr. Matthew H. Hart M.d. NPPES

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

DR. MATTHEW H. HART M.D. (NPI 1265545040) is an individual anesthesiology provider in Pasadena, California, licensed in California (A71211) and active in the NPI registry since August 2006. He is enrolled in Medicare PECOS and is a graduate of Columbia University College Of Physicians And Surgeons (1998).

NPPES Registry Identity

NPI1265545040
Entity TypeIndividualMale
Primary Taxonomy207L00000X
Provider Legal NameDR. MATTHEW H. HARTCredential: M.D.
Location Address300 W CALIFORNIA BLVDPasadena, CA 91105-3097
Mailing Address225 S Lake Ave, Ste. 535Pasadena, CA 91101-3005 · (626) 795-6596 · Fax (626) 795-8247
Phone(626) 397-5000
Fax(626) 397-2912
Sole ProprietorNo
Medical School CMSColumbia University College Of Physicians And SurgeonsGraduated 1998
Enumeration DateAugust 16, 2006
Last NPPES UpdateDecember 24, 2008
✔ NPI 1265545040 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyAnesthesiologyAllopathic & Osteopathic Physicians
Taxonomy Code207L00000X
License✔ Licensed in CA · A71211
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.
300 W CALIFORNIA BLVD, Pasadena, CA 91105
Open in Google Maps ↗

Other Identifiers 3

Medicaid00A712111CA
Medicare UPINAT111ZCA
Medicare UPINWA71211ACA

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

Dr. Matthew H. Hart 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 ID7911944848
PECOS Enrollment IDI20050412001513
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

4

Medicare enrollment records show Matthew Hart reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Pacific Valley Medical Group
0.4 mi
Anesthesiology
100 W CALIFORNIA BLVD
Pasadena, CA 91105
  • Reassigned Medicare billing, California enrollment
  • 214 clinicians in this Medicare group
NPI 1851312862 (626) 397-5000
Bayside Anesthesia Medical Group
20 mi
Pain Medicine
2121 SANTA MONICA BLVD
Santa Monica, CA 90404
  • Reassigned Medicare billing, California enrollment
  • 83 clinicians in this Medicare group
NPI 1184668469 (310) 576-7267
Palm Springs Anesthesia Services, PC
50 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
Allied Anesthesia Medical Group Inc
  • Reassigned Medicare billing, California enrollment
  • 420 clinicians in this Medicare group
No phone listed

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 9

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 procedure for total knee joint replacement 01402
Anesthesia for a total knee joint replacement numbs your body to eliminate pain during surgery. This could be general anesthesia where you're unconscious, or regional anesthesia where only the leg is numb. It's administered by a specialist, ensuring safety and comfort.
27 services27 patients
Injection of anesthetic agent and/or steroid into thigh nerve (femoral nerve) 64447
This procedure involves injecting a numbing agent and/or steroid into a nerve in your thigh. It's done to alleviate pain or inflammation. A needle will be carefully positioned near the nerve, and the medicine will be administered.
18 services18 patients
Insertion of artery tube for blood sampling or infusion through skin 36620
This procedure involves placing a small tube into an artery, usually in the wrist or elbow, to collect blood samples or administer medication. It's done under local anesthesia and is a common, safe practice.
15 services15 patients
Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope 00731
This procedure involves the use of an endoscope, a flexible tube with a light and camera, to examine your esophagus, stomach, or upper small bowel. Anesthesia ensures you are comfortable and pain-free during the procedure.
14 services14 patients
Anesthesia for total hip replacement 01214
Anesthesia for total hip replacement is a medical service where medication is given to eliminate pain during surgery. Two types are commonly used: general anesthesia, making you unconscious, or spinal anesthesia, numbing the lower body. The choice depends on your health and your doctor's recommendation.
14 services14 patients
Anesthesia for procedure on heart and large blood vessels 00560
Anesthesia for heart and large blood vessel procedures involves using medications to block sensation, ensuring you don't feel pain during surgery. It can be general (you're asleep) or regional (part of your body is numbed). It helps ensure comfort and safety throughout the operation.
12 services11 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.

64.95/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality58.77
Improvement Activities40

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 Matthew Hart's NPI number?

The NPI number for Matthew Hart is 1265545040. It was assigned to this individual provider in the NPPES registry on August 16, 2006.

Where is Matthew Hart located?

Matthew Hart practices at 300 W California Blvd, Pasadena, CA 91105. The listed phone number is (626) 397-5000.

What is Matthew Hart's specialty?

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

Is Matthew Hart enrolled in Medicare?

Yes. Matthew Hart 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 Matthew Hart's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Matthew Hart reassigns Medicare benefits to 4 organizations: Pacific Valley Medical Group (Pasadena, CA), Bayside Anesthesia Medical Group (Santa Monica, CA), Palm Springs Anesthesia Services, PC (San Bernardino, CA) and Allied Anesthesia Medical Group Inc (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 Matthew Hart'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 Matthew Hart was last updated on December 24, 2008. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 17 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.