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MELLISSA TERESA BONILLA LCSW
NPI 1952559825
Social Worker - Clinical in San Francisco, CA

Active since September 04, 2008PECOS Enrolled
1001 POTRERO AVE, WARD 93, SAN FRANCISCO, CA 94110(415) 206-8412 Get Directions Write a Review

NPPES record last updated: October 13, 2022. Verified against the NPPES registry weekly; last sync: November 08, 2026.

About Mellissa Teresa Bonilla Lcsw NPPES

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

MELLISSA TERESA BONILLA LCSW (NPI 1952559825) is an individual clinical provider in San Francisco, California, licensed in California (LCSW79897) and active in the NPI registry since September 2008. She is enrolled in Medicare PECOS and is a graduate of Other (2012).

NPPES Registry Identity

NPI1952559825
Entity TypeIndividualFemale
Primary Taxonomy1041C0700X
Provider Legal NameMELLISSA TERESA BONILLACredential: LCSW
Location Address1001 POTRERO AVE, WARD 93San Francisco, CA 94110-3518
Mailing Address1001 Potrero Ave, Ward 93San Francisco, CA 94110-3518 · (415) 206-8412
Phone(415) 206-8412
Sole ProprietorNo
Medical School CMSOtherGraduated 2012
Enumeration DateSeptember 4, 2008
Last NPPES UpdateOctober 13, 2022
NPPES CertifiedOctober 13, 2022
✔ NPI 1952559825 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

★ Primary SpecialtySocial Worker · ClinicalBehavioral Health & Social Service Providers
Taxonomy Code1041C0700X
License✔ Licensed in CA · LCSW79897
Definition
A social worker who holds a master's or doctoral degree in social work from an accredited school of social work in addition to at least two years of post-master's supervised experience in a clinical setting. The social worker must be licensed, certified, or registered at the clinical level in the jurisdiction of practice. A clinical social worker provides direct services, including interventions focused on interpersonal interactions, intrapsychic dynamics, and life management issues. Clinical social work services are based on bio-psychosocial perspectives. Services consist of assessment, diagnosis, treatment (including psychotherapy and counseling), client-centered advocacy, consultation, evaluation, and prevention of mental illness, emotional, or behavioral disturbances.
Also ListedCounselor · Mental HealthTaxonomy 101YM0800X
Also ListedSocial WorkerTaxonomy 104100000X · License 35973 (CA)
1001 POTRERO AVE, San Francisco, CA 94110
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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Blue Cross Blue Shield of Arizona, UnitedHealthcare.Insurance ›

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Mellissa Teresa Bonilla Lcsw is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID8325415714
PECOS Enrollment IDI20260501002468
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

2

Medicare enrollment records show Mellissa Bonilla reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Grow Healthcare Group PC
40 mi
Mental Health
99 S ALMADEN BLVD STE 600
San Jose, CA 95113
  • Reassigned Medicare billing, California enrollment
  • 3,139 clinicians in this Medicare group
NPI 1154994846 (408) 402-4385
Grow Healthcare Group PA
2,594 mi
Mental Health
66 W FLAGLER ST STE 900
Miami, FL 33130
  • Reassigned Medicare billing, Arizona enrollment
  • 532 clinicians in this Medicare group
NPI 1245845932 (786) 244-7711

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 94110 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
$0.00 typical visit price
range $69.00 – $202.35
Typical copayment $0.00 (range $17.25 – $50.58)
Most-billed visit code NA
Established Patient
$84.91 typical visit price
range $23.44 – $166.46
Typical copayment $21.22 (range $5.86 – $41.61)
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.

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.

ROCIO C AGRAZ-LARA RN, PHN
Registered Nurse
1001 POTRERO AVE, ZSFG BUILDING 90 4TH FLOOR
SAN FRANCISCO, CA 94110
San Francisco County (415) 206-8524
DR. SUSAN WLODARCZYK MD
Student in an Organized Health Care Education/Training Program
1001 POTRERO AVE, BLDG 10, 3RD FLOOR, WARD 13 BOX 1364
SAN FRANCISCO, CA 94110
San Francisco County (415) 206-5164
AMY DINER PSY.D.
Student in an Organized Health Care Education/Training Program
1001 POTRERO AVE
SAN FRANCISCO, CA 94110
San Francisco County (415) 206-5270
CHRISTOPHER RUIZ
Case Manager/Care Coordinator
1001 POTRERO AVE
SAN FRANCISCO, CA 94110
San Francisco County (415) 206-3950
C. STIRLING SOMERS
Counselor
1001 POTRERO AVE
SAN FRANCISCO, CA 94110
San Francisco County (415) 206-5270
WILLIAM RUSSEL CARPENTER FNP-C
Nurse Practitioner (Family)
1001 POTRERO AVE
SAN FRANCISCO, CA 94110
San Francisco County (628) 206-8000
REGENTS OF THE UNIVERSITY OF CALIFORNIA
Clinical Medical Laboratory
1001 POTRERO AVE, BLDG 100, RM 104
SAN FRANCISCO, CA 94110
San Francisco County (415) 502-4775
DR. DENISE RENEE GONZALEZ MD
Internal Medicine
1001 POTRERO AVE, 1M
SAN FRANCISCO, CA 94110
San Francisco County (415) 206-6075

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 Mellissa Bonilla's NPI number?

The NPI number for Mellissa Bonilla is 1952559825. It was assigned to this individual provider in the NPPES registry on September 4, 2008.

Where is Mellissa Bonilla located?

Mellissa Bonilla practices at 1001 Potrero Ave Ward 93, San Francisco, CA 94110. The listed phone number is (415) 206-8412.

What is Mellissa Bonilla's specialty?

The primary specialty registered for this NPI is Social Worker, specializing in Clinical, with taxonomy code 1041C0700X.

Is Mellissa Bonilla enrolled in Medicare?

Yes. Mellissa Bonilla is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Mellissa Bonilla's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Mellissa Bonilla reassigns Medicare benefits to 2 organizations: Grow Healthcare Group PC (San Jose, CA) and Grow Healthcare Group PA (Miami, FL). 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 Mellissa Bonilla's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Mellissa Bonilla accept?

Health plans from Blue Cross Blue Shield of Arizona and UnitedHealthcare list Mellissa Bonilla as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Mellissa Bonilla was last updated on October 13, 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.