GREGORY MORRIS GIESLER MD
NPI 1477518454
Internal Medicine - Cardiovascular Disease in Pasadena, CA

Active since April 20, 2006PECOS EnrolledAccepts Medicare Assignment
92.2/100
CMS Quality Rating
55 E CALIFORNIA BLVD, 3RD FLOOR, PASADENA, CA 91105(626) 793-1227(626) 793-3794 Get Directions Write a Review

NPPES record last updated: April 12, 2011. Verified against the NPPES registry weekly; last sync: August 09, 2026.

About Gregory Morris Giesler Md NPPES

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

GREGORY MORRIS GIESLER MD (NPI 1477518454) is an individual cardiovascular disease provider in Pasadena, California, licensed in California (A75160) and active in the NPI registry since April 2006. He is enrolled in Medicare PECOS and is a graduate of Chicago College Of Medicine And Surgery (1999).

NPPES Registry Identity

NPI1477518454
Entity TypeIndividualMale
Primary Taxonomy207RC0000X
Provider Legal NameGREGORY MORRIS GIESLERCredential: MD
Location Address55 E CALIFORNIA BLVD, 3RD FLOORPasadena, CA 91105-3944
Mailing Address55 E California Blvd, 3rd FloorPasadena, CA 91105-3944 · (626) 793-1227 · Fax (626) 793-3794
Fax(626) 793-3794
Sole ProprietorNo
Medical School CMSChicago College Of Medicine And SurgeryGraduated 1999
Enumeration DateApril 20, 2006
Last NPPES UpdateApril 12, 2011
NPI 1477518454 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyInternal Medicine · Cardiovascular DiseaseAllopathic & Osteopathic Physicians
Taxonomy Code207RC0000X
License Licensed in CA · A75160
Definition
An internist who specializes in diseases of the heart and blood vessels and manages complex cardiac conditions such as heart attacks and life-threatening, abnormal heartbeat rhythms.
55 E CALIFORNIA BLVD, Pasadena, CA 91105

Other Identifiers 5

Medicare PINBH182ZCA
OtherA75160CA · Blue Shield
Medicare UPINI27260
Medicare PINWA75160ACA
OtherP00335335CA · Rail Raod Medicare

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

Gregory Morris Giesler 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 ID3577500693
PECOS Enrollment IDI20060522000061
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 35

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.

Injection, adenosine, 1 mg (not to be used to report any adenosine phosphate compounds) J0153
An adenosine injection is a quick-acting medication used to manage irregular heart rhythms. It works by slowing down the electrical activity in your heart, allowing it to return to its regular rhythm. This procedure is safe and typically performed under medical supervision.
14,040 services155 patients
Management using the results of remote vital sign monitoring per calendar month, first 20 minutes 99457
This service involves reviewing and managing your health data, which is remotely monitored and collected. Your vital signs like heart rate and blood pressure are tracked regularly throughout the month. The first 20 minutes of this data analysis per month is included in this service.
2,074 services311 patients
Remote monitoring of physiologic parameters, initial supply of devices with daily recordings or programmed alerts transmission, each 30 days 99454
This service involves using devices to remotely track body functions like heart rate or blood pressure. These devices, provided initially, record data daily or send alerts if readings are abnormal. The service is renewed every 30 days.
1,951 services335 patients
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.
1,635 services874 patients
Ultrasound of heart with color-depicted blood flow, rate, direction and valve function 93306
This is a heart ultrasound, also known as an echocardiogram. It uses sound waves to create pictures of your heart, showing how blood flows through it. The color depicts the blood flow's speed and direction. It also checks the heart's valves to ensure they're working properly.
672 services645 patients
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 99233
Follow-up hospital inpatient care per day typically involves a 35-minute check-up by your healthcare provider. This service includes monitoring your health progress, adjusting your treatment plan if needed, and answering any questions you may have about your condition or care.
636 services200 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 91105 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
$77.96 typical visit price
range $20.84 – $153.61
Typical copayment $19.49 (range $5.21 – $38.40)
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.

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.

92.2/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality91.15
Promoting Interoperability100
Improvement Activities40
Cost72.05

Reported Quality Measures

Diabetes: Medical Attention for Nephropathy
The percentage of patients 18-75 years of age with diabetes who had a nephropathy screening test or evidence of nephropathy during the measurement period
88%43 patients4/55-star benchmark: 99%
Documentation of Current Medications in the Medical Record
Percentage of visits for patients aged 18 years and older for which the eligible professional or eligible clinician attests to documenting a list of current medications using all immediate resources available on the date of the encounter.
100%3,230 patients5/55-star benchmark: 100%
e-Prescribing
At least one permissible prescription written by the MIPS eligible clinician is queried for a drug formulary and transmitted electronically using certified EHR technology.
99%2,920 patients5/55-star benchmark: 99%
Health Information Exchange
The MIPS eligible clinician that transitions or refers their patient to another setting of care or health care clinician (1) uses CEHRT to create a summary of care record; and (2) electronically transmits such summary to a receiving health care clinician for…
24%2,981 patients2/55-star benchmark: 88%
Medication Reconciliation
The MIPS eligible clinician performs medication reconciliation for at least one transition of care in which the patient is transitioned into the care of the MIPS eligible clinician.
82%232 patients1/55-star benchmark: 100%
Medication Reconciliation Post-Discharge
The percentage of discharges from any inpatient facility (e.g. hospital, skilled nursing facility, or rehabilitation facility) for patients 18 years and older of age seen within 30 days following discharge in the office by the physician, prescribing…
Patients 65+: 100% · 154 patients
100%157 patients
Patient-Specific Education
The MIPS eligible clinician must use clinically relevant information from CEHRT to identify patient-specific educational resources and provide access to those materials to at least one unique patient seen by the MIPS eligible clinician.
100%1,417 patients5/55-star benchmark: 97%
Preventive Care and Screening: Body Mass Index (BMI) Screening and Follow-Up Plan
Percentage of patients aged 18 years and older with a BMI documented during the current encounter or during the previous twelve months AND with a BMI outside of normal parameters, a follow-up plan is documented during the encounter or during the previous…
100%763 patients5/55-star benchmark: 100%
Preventive Care and Screening: Tobacco Use: Screening and Cessation Intervention
Percentage of patients aged 18 years and older who were screened for tobacco use one or more times within 24 months AND who received tobacco cessation intervention if identified as a tobacco user
Patients screenedForUse: 97% · 1,044 patients
Patients tobacco: 96% · 1,044 patients
94%47 patients4/55-star benchmark: 98%
Provide Patient Access
At least one patient seen by the MIPS eligible clinician during the performance period is provided timely access to view online, download, and transmit to a third party their health information subject to the MIPS eligible clinician's discretion to withhold…
71%1,417 patients3/55-star benchmark: 100%
Secure Messaging
For at least one unique patient seen by the MIPS eligible clinician during the performance period, a secure message was sent using the electronic messaging function of CEHRT to the patient (or the patient-authorized representative), or in response to a secure…
7%1,417 patients1/55-star benchmark: 89%
Use of High-Risk Medications in the Elderly
Percentage of patients 65 years of age and older who were ordered high-risk medications. Two rates are submitted. 1) Percentage of patients who were ordered at least one high-risk medication.
Lower rates are better for this measure.
Patients 2+: 0% · 873 patients
0%873 patients5/55-star benchmark: 100%
View, Download, or Transmit (VDT)
At least one patient seen by the MIPS eligible clinician during the performance period (or patient-authorized representative) views, downloads or transmits their health information to a third party during the performance period.
8%1,417 patients
Providers report different measures because they deliver different services; reporting more or less information is not a reflection of quality. Star ratings appear only where CMS assigned them.

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.

Pharmacist
55 E CALIFORNIA BLVD, SUITE 103
PASADENA, CA 91105
Pediatrics
55 E CALIFORNIA BLVD, SUITE 200
PASADENA, CA 91105
Internal Medicine (Cardiovascular Disease)
55 E CALIFORNIA BLVD, 3RD FL
PASADENA, CA 91105
Pediatrics
55 E CALIFORNIA BLVD, SUITE 200
PASADENA, CA 91105
Internal Medicine (Cardiovascular Disease)
55 E CALIFORNIA BLVD, 3RD FLOOR
PASADENA, CA 91105
Internal Medicine (Cardiovascular Disease)
55 E CALIFORNIA BLVD, THIRD FLOOR
PASADENA, CA 91105
Pharmacy
55 E CALIFORNIA BLVD, STE 103
PASADENA, CA 91105
Internal Medicine (Cardiovascular Disease)
55 E CALIFORNIA BLVD, THIRD FLOOR
PASADENA, CA 91105

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 Gregory Giesler's NPI number?

The NPI number for Gregory Giesler is 1477518454. It was assigned to this individual provider in the NPPES registry on April 20, 2006.

Where is Gregory Giesler located?

Gregory Giesler practices at 55 E California Blvd 3rd Floor, Pasadena, CA 91105. The listed phone number is (626) 793-1227.

What is Gregory Giesler's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Cardiovascular Disease, with taxonomy code 207RC0000X.

Is Gregory Giesler enrolled in Medicare?

Yes. Gregory Giesler 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.

When was this NPI record last updated?

The NPPES record for Gregory Giesler was last updated on April 12, 2011. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 15 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.