DR. MARK DAVID GARFIELD MD
NPI 1669555355
Internal Medicine - Sleep Medicine in Monterey, CA
About Dr. Mark David Garfield Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. MARK DAVID GARFIELD MD (NPI 1669555355) is an individual sleep medicine provider in Monterey, California, licensed in California (G86148) and active in the NPI registry since October 2006. He is enrolled in Medicare PECOS and is a graduate of University Of California, San Diego School Of Medicine (1975).
NPPES Registry Identity
Specialties & Licenses 2
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. Mark David Garfield 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.
Medicare Billing Reassignments
2Medicare enrollment records show Mark Garfield reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Monterey, CA 93940
- Reassigned Medicare billing, California enrollment
- 7 clinicians in this Medicare group
Carmel, CA 93923
- Reassigned Medicare billing, California enrollment
- 155 clinicians in this Medicare group
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 4
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.
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.
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.
Referred Medical Equipment & Supplies CMS DME claims 19
Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.
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.
MONTEREY, CA 93940
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 Garfield's NPI number?
The NPI number for Mark Garfield is 1669555355. It was assigned to this individual provider in the NPPES registry on October 24, 2006.
Where is Mark Garfield located?
Mark Garfield practices at 2 Upper Ragsdale Dr Bldg A, Monterey, CA 93940. The listed phone number is (831) 333-3040.
What is Mark Garfield's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Sleep Medicine, with taxonomy code 207RS0012X.
Is Mark Garfield enrolled in Medicare?
Yes. Mark Garfield 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 Garfield's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Mark Garfield reassigns Medicare benefits to 2 organizations: Cardio-Pulmonary Associates Medical Group Inc A Professional Corp (Monterey, CA) and Montage Medical Group (Carmel, 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 Garfield'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 Garfield was last updated on March 11, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.
# Dr. Mark David Garfield, MD · NPI 1669555355
Sleep Medicine physician in Monterey, California. Individual provider, active in the CMS NPPES registry since October 24, 2006.
## Identity
- **NPI:** 1669555355 (Entity type: Individual)
- **Enumerated:** October 24, 2006
- **Primary specialty:** Internal Medicine - Sleep Medicine · taxonomy 207RS0012X
- **State license:** G86148 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 2 UPPER RAGSDALE DR BLDG A, Monterey, CA 93940-5736
- **Phone:** (831) 333-3040
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 2 organizations under Medicare reassignment (form CMS-855R): Cardio-Pulmonary Associates Medical Group Inc A Professional Corp (NPI 1669530176, Monterey, CA); Montage Medical Group (NPI 1770710709, Carmel, CA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** University Of California, San Diego School Of Medicine, class of 1975
## Record status
- **NPPES last updated:** March 11, 2024
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Source: [NPI Profile](https://npiprofile.com/npi/1669555355) · Data from the CMS NPPES public registry.