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DR. MERLIN ANN SUNNY D.O.
NPI 1659786192
Family Medicine in Anaheim, CA

Active since June 24, 2014PECOS Enrolled
710 N EUCLID ST STE 107, ANAHEIM, CA 92801(714) 517-2000(714) 490-1973 Get Directions Write a Review

NPPES record last updated: September 2, 2022. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Sep 2, 2022, Nov 10, 2020, Mar 17, 2018 and 1 more (4 updates tracked since 2017).

About Dr. Merlin Ann Sunny D.o. NPPES

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

DR. MERLIN ANN SUNNY D.O. (NPI 1659786192) is an individual family medicine provider in Anaheim, California, licensed in California (20A15713) and active in the NPI registry since June 2014. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1659786192
Entity TypeIndividualFemale
Primary Taxonomy207Q00000X
Provider Legal NameDR. MERLIN ANN SUNNYCredential: D.O.
Location Address710 N EUCLID ST STE 107Anaheim, CA 92801-4132
Mailing Address710 N Euclid StAnaheim, CA 92801-4122 · (714) 517-2000 · Fax (714) 490-1973
Phone(714) 517-2000
Fax(714) 490-1973
Sole ProprietorNo
Enumeration DateJune 24, 2014
Last NPPES UpdateSeptember 2, 20224 updates tracked since enumeration
NPPES CertifiedSeptember 2, 2022
✔ NPI 1659786192 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyFamily MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207Q00000X
License✔ Licensed in CA · 20A15713
Definition
Family Medicine is the medical specialty which is concerned with the total health care of the individual and the family. It is the specialty in breadth which integrates the biological, clinical, and behavioral sciences. The scope of family medicine is not limited by age, sex, organ system, or disease entity.
710 N EUCLID ST STE 107, Anaheim, CA 92801
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Other Names 1

Former Name (1)Merlin Ann John

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Merlin Ann Sunny D.o. 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 Merlin Sunny reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Primary And Multi Specialty Clinics Of Anaheim Inc
Same address
Family Medicine
710 N EUCLID ST STE 101
Anaheim, CA 92801
  • Reassigned Medicare billing, California enrollment
  • 11 clinicians in this Medicare group
NPI 1053408278 (714) 517-2000

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 2

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.

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.
42 services25 patients
Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213
This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.
23 services15 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 92801 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
$96.36 typical visit price
range $62.96 – $187.60
Typical copayment $24.09 (range $15.74 – $46.90)
Most-billed visit code 99203
Established Patient
$109.96 typical visit price
range $20.84 – $153.61
Typical copayment $27.49 (range $5.21 – $38.40)
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.

Other Providers at the Same Location NPPES 5

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

AGILE OCCUPATIONAL MEDICINE, PC
Clinic/Center (Occupational Medicine)
710 N EUCLID ST STE 107
ANAHEIM, CA 92801
Orange County (714) 778-3838
DIANE VO PA-C
Physician Assistant (Medical)
710 N EUCLID ST STE 107
ANAHEIM, CA 92801
Orange County (949) 464-4036
PRIMARY AND MULTI SPECIALTY CLINICS OF ANAHEIM INC
Clinic/Center (Urgent Care)
710 N EUCLID ST STE 107
ANAHEIM, CA 92801
Orange County (714) 778-3838
DR. VIMALA T REDDY M.D.
Family Medicine
710 N EUCLID ST STE 107
ANAHEIM, CA 92801
Orange County (714) 533-4511
MR. ARCEL LIMJOCO GULAPA
Nurse Practitioner (Family)
710 N EUCLID ST STE 107
ANAHEIM, CA 92801
Orange County (714) 533-4511

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 Merlin Sunny's NPI number?

The NPI number for Merlin Sunny is 1659786192. It was assigned to this individual provider in the NPPES registry on June 24, 2014. The provider is also known as Merlin Ann John.

Where is Merlin Sunny located?

Merlin Sunny practices at 710 N Euclid St Ste 107, Anaheim, CA 92801. The listed phone number is (714) 517-2000.

What is Merlin Sunny's specialty?

The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.

Is Merlin Sunny enrolled in Medicare?

Yes. Merlin Sunny is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Merlin Sunny's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Merlin Sunny reassigns Medicare benefits to Primary And Multi Specialty Clinics Of Anaheim Inc (Anaheim, 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 Merlin Sunny'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 Merlin Sunny was last updated on September 2, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.