MELISSA LOUISE ZANKICH-PATALAN – Family Nurse Practitioner, NPI 1154922185
Family Nurse Practitioner
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
16,360 NURSE PRACTITIONER in CA
Provider Addresses for MELISSA LOUISE ZANKICH-PATALAN
135 S STATE COLLEGE BLVD STE 350
BREA, CA 928215814
Phone: (805) 719-3700
Fax: (805) 413-9099
Type: Mailing
24012 CALLE DE LA PLATA STE 230
LAGUNA HILLS, CA 926537623
Phone: (805) 719-3700
Fax: (805) 413-9099
Type: Location
2720 N Harbor Blvd Ste 200
Fullerton, CA 928352626
Phone: (805) 719-3700
Fax: (805) 413-9099
Type: Location
501 N Central Ave
Glendale, CA 912031901
Phone: (805) 719-3700
Fax: (805) 413-9099
Type: Location
23456 Hawthorne Blvd Ste 140
Torrance, CA 905054716
Phone: (805) 719-3700
Fax: (805) 413-9099
Type: Location
440 N Mountain Ave Ste 103
Upland, CA 917865183
Phone: (805) 719-3700
Fax: (805) 413-9099
Type: Location
27555 Ynez Rd Ste 370
Temecula, CA 925914678
Phone: (805) 719-3700
Fax: (805) 413-9099
Type: Location
1300 W 7TH ST
SAN PEDRO, CA 907323505
Phone: (310) 994-3515
Type: Mailing
77 Rolling Oaks Dr Ste 201
Thousand Oaks, CA 913611018
Phone: (805) 719-3700
Fax: (805) 413-9099
Type: Location
2121 Wilshire Blvd Ste 303
Santa Monica, CA 904035743
Phone: (805) 719-3700
Fax: (805) 413-9099
Type: Location
79440 Corporate Center Dr Ste 100
LA Quinta, CA 922537243
Phone: (805) 719-3700
Fax: (805) 413-9099
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 4 Open Payments records for all available years, with a total value of $84.
Total Amount is formed as General ($84) + Research ($0) + Ownership ($0) = $84.
Last reported payment date: 2023-12-07 • Largest payer in this snapshot: ABBVIE INC. ($84).
Total Amount
$84
General + Research + Ownership
Payments
4
Total payment records
General Amount
$84
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2023-12-07
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| ABBVIE INC. | $84 |
Medicare Enrollment & Revalidation
Source: CMS public data · Not endorsed by CMS ·
Educational use only—not medical, billing, or legal advice.
PECOS enrollment status
Participating (accepts Medicare assignment)
Enrollment effective: 2021-03-31
PECOS data refreshed: 2026-05-27
Medicare revalidation (CMS due date list)
Due date not assigned yet
CMS is tracking this Medicare enrollment for revalidation, but has not published a due date.
Enrollment records
1
Earliest due date
Not assigned (TBD)
CMS data updated
2026-06-01
Revalidation progress
- Medicare enrolled
- On CMS revalidation list
- Due date assigned
- Revalidate in PECOS
CMS enrollment records
| Enrollment ID | Type | Specialty | State | Due date |
|---|---|---|---|---|
| I20210331002012 | I | Nurse Practitioner | CA | TBD |
What to do next
- No action required while the due date shows TBD.
- Check the CMS Revalidation Lookup Tool periodically — CMS updates the list about every 60 days.
- Do not submit a revalidation application in PECOS until CMS publishes a concrete due date.
Prepare CMS-855 application → · Look up this NPI in PECOS → · Verify on CMS PECOS
Medicare Utilization (FFS)
Source: CMS public data · Not endorsed by CMS · Beneficiary counts under 11 are suppressed in source data ·
Educational use only—not medical, billing, or legal advice.
Top Medicare procedures (2023) · refreshed 2026-05-27
| HCPCS | Description | Services | Beneficiaries | Medicare allowed |
|---|---|---|---|---|
| 99284 | Emergency department visit with moderate level of medical decision making | 49 | 49 | $0 |
| 99285 | Emergency department visit with high level of medical decision making | 16 | 16 | $0 |
| 99283 | Emergency department visit with low level of medical decision making | 12 | 12 | $0 |
Insurance plans in this area (ZIP 92821)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| Emergency Medicine | CA | |
| Nurse Practitioner | CA | |
| Emergency Medicine | CA | |
| Emergency Medicine | IL | |
| Nurse Practitioner | CA | |
| Emergency Medicine | IL | |
| Emergency Medicine | NC | |
| Emergency Medicine | CA | |
| Emergency Medicine | GA | |
| Emergency Medicine | CA |
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