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DR. LLOYD R GARREN M.D.
NPI 1841200565
Internal Medicine - Gastroenterology in Monterey, CA

Active since August 08, 2006PECOS Enrolled
23 UPPER RAGSDALE DR, SUITE 200, MONTEREY, CA 93940(831) 375-3577(831) 375-1478 Get Directions Write a Review

NPPES record last updated: July 9, 2007. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Dr. Lloyd R Garren M.d. NPPES

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

DR. LLOYD R GARREN M.D. (NPI 1841200565) is an individual gastroenterology provider in Monterey, California, licensed in California (G81024) and active in the NPI registry since August 2006. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1841200565
Entity TypeIndividualMale
Primary Taxonomy207RG0100X
Provider Legal NameDR. LLOYD R GARRENCredential: M.D.
Location Address23 UPPER RAGSDALE DR, SUITE 200Monterey, CA 93940-5771
Mailing Address23 Upper Ragsdale Dr, Suite 200Monterey, CA 93940-5771 · (831) 375-3577 · Fax (831) 375-1478
Phone(831) 375-3577
Fax(831) 375-1478
Sole ProprietorNo
Enumeration DateAugust 8, 2006
Last NPPES UpdateJuly 9, 2007
✔ NPI 1841200565 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · GastroenterologyAllopathic & Osteopathic Physicians
Taxonomy Code207RG0100X
License✔ Licensed in CA · G81024
Definition
An internist who specializes in diagnosis and treatment of diseases of the digestive organs including the stomach, bowels, liver and gallbladder. This specialist treats conditions such as abdominal pain, ulcers, diarrhea, cancer and jaundice and performs complex diagnostic and therapeutic procedures using endoscopes to visualize internal organs.
23 UPPER RAGSDALE DR, Monterey, CA 93940
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Other Identifiers 1

Medicare UPINB66454CA

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Lloyd R Garren M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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 Reassignment

Medicare enrollment records show Lloyd Garren reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Monterey Bay Gi Consultants Medical Group Inc.
Same address
Gastroenterology
23 UPPER RAGSDALE DR, SUITE 200
Monterey, CA 93940
  • Reassigned Medicare billing, California enrollment
  • 29 clinicians in this Medicare group
NPI 1154373280 (831) 375-3577

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

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 93940 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
$139.84 typical visit price
range $61.69 – $184.30
Typical copayment $34.96 (range $15.42 – $46.07)
Most-billed visit code 99204
Established Patient
$108.04 typical visit price
range $20.34 – $151.02
Typical copayment $27.01 (range $5.08 – $37.75)
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.

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.

Reported Quality Measures

Care Plan
Percentage of patients aged 65 years and older who have an advance care plan or surrogate decision maker documented in the medical record that an advance care plan was discussed but the patient did not wish or was not able to name a surrogate decision maker…
88%228 patients4/55-star benchmark: 100%
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%505 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.
92%543 patients3/55-star benchmark: 99%
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.
100%132 patients5/55-star benchmark: 100%
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.
74%409 patients4/55-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…
38%341 patients2/55-star benchmark: 97%
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: 100% · 208 patients
96%98 patients4/55-star benchmark: 98%
Preventive Care and Screening: Unhealthy Alcohol Use: Screening & Brief Counseling
Percentage of patients aged 18 years and older who were screened for unhealthy alcohol use using a systematic screening method at least once within the last 24 months AND who received brief counseling if identified as an unhealthy alcohol user
80%98 patients4/55-star benchmark: 100%
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…
55%409 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…
11%409 patients1/55-star benchmark: 89%
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.
23%409 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 16

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

DR. RICHARD WALTER HELL M.D.
Internal Medicine (Gastroenterology)
23 UPPER RAGSDALE DR, SUITE 200
MONTEREY, CA 93940
Monterey County (831) 375-3577
MONTEREY BAY GI CONSULTANTS MEDICAL GROUP INC.
Internal Medicine (Gastroenterology)
23 UPPER RAGSDALE DR, SUITE 200
MONTEREY, CA 93940
Monterey County (831) 375-3577
MS. CYNTHIA ELLEN RUSSELL-MCCLAIN N.P., P.A.-C
Nurse Practitioner
23 UPPER RAGSDALE DR, SUITE 200
MONTEREY, CA 93940
Monterey County (831) 375-3577
MARISSA L PAYNE AGACNP-BC
Nurse Practitioner (Acute Care)
23 UPPER RAGSDALE DR
MONTEREY, CA 93940
Monterey County (831) 375-3577
DR. MICHAEL R SMITH M.D.
Internal Medicine (Gastroenterology)
23 UPPER RAGSDALE DR, SUITE 200
MONTEREY, CA 93940
Monterey County (831) 375-3577
DR. TOBY J KATZ M.D.
Internal Medicine (Gastroenterology)
23 UPPER RAGSDALE DR, SUITE 200
MONTEREY, CA 93940
Monterey County (831) 375-3577
DR. JAMES A DI SARIO M.D.
Internal Medicine (Gastroenterology)
23 UPPER RAGSDALE DR, SUITE 200
MONTEREY, CA 93940
Monterey County (831) 375-3577
MICHAEL SANG LE M.D.
Internal Medicine (Gastroenterology)
23 UPPER RAGSDALE DR
MONTEREY, CA 93940
Monterey County (831) 375-3577

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 Lloyd Garren's NPI number?

The NPI number for Lloyd Garren is 1841200565. It was assigned to this individual provider in the NPPES registry on August 8, 2006.

Where is Lloyd Garren located?

Lloyd Garren practices at 23 Upper Ragsdale Dr Suite 200, Monterey, CA 93940. The listed phone number is (831) 375-3577.

What is Lloyd Garren's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Gastroenterology, with taxonomy code 207RG0100X.

Is Lloyd Garren enrolled in Medicare?

Yes. Lloyd Garren is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Lloyd Garren's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Lloyd Garren reassigns Medicare benefits to Monterey Bay Gi Consultants Medical Group Inc. (Monterey, CA). The 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 Lloyd Garren'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 Lloyd Garren was last updated on July 9, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 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.