TALLIN MARTIROSSIAN PATTERSON – Geriatric Medicine (Internal Medicine) Physician, NPI 1831608165
Geriatric Medicine (Internal Medicine) Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
10,570 PHYSICIAN ASSISTANT in CA
Provider Addresses for TALLIN MARTIROSSIAN PATTERSON
11349 Saticoy St
Sun Valley, CA 913524700
Phone: (818) 982-5750
Type: Location
12272 WILLOWBEND LN
SYLMAR, CA 913425150
Phone: (626) 708-0496
Fax: (626) 714-2060
Type: Mailing
101 S 1ST ST STE 305
BURBANK, CA 915021961
Phone: (626) 708-0496
Fax: (626) 714-2060
Type: Location
1030, South Glendale Avenue, Glendale, Los Angeles County, California, 91205, United States
STE 404
GLENDALE, CA 912052866
Phone: (623) 374-7774
Fax: (855) 420-6361
Type: Mailing
404, South Glendale Avenue, Glendale, Los Angeles County, California, 91205, United States
GLENDALE, CA 912052866
Phone: (818) 240-9911
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 145 Open Payments records for all available years, with a total value of $3,185.
Total Amount is formed as General ($3,185) + Research ($0) + Ownership ($0) = $3,185.
Last reported payment date: 2024-12-30 • Largest payer in this snapshot: Salix Pharmaceuticals, a division of Bausch Health US, LLC ($665).
Total Amount
$3,185
General + Research + Ownership
Payments
145
Total payment records
General Amount
$3,185
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-12-30
Latest reported date
Top Companies
Largest payers in this snapshot
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: 2019-07-09
PECOS data refreshed: 2026-05-27
Medicare revalidation (CMS due date list)
Due date not assigned yet
CMS is tracking 2 Medicare enrollment records; no due dates published yet.
Enrollment records
2
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 |
|---|---|---|---|---|
| I20180207001841 | I | Physician Assistant | AZ | TBD |
| I20190709002045 | I | Physician Assistant | 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 |
|---|---|---|---|---|
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | 165 | 160 | $0 |
| 99203 | New patient office or other outpatient visit, 30-44 minutes | 105 | 105 | $0 |
| 81003 | Automated urinalysis test | 49 | 48 | $0 |
| 71046 | X-ray of chest, 2 views | 29 | 29 | $0 |
| 87880 | Detection test by immunoassay with direct visual observation for streptococcus, group a (strep) | 16 | 16 | $0 |
Insurance plans in this area (ZIP 91352)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| Internal Medicine | CA | |
| Family Practice | CA | |
| Internal Medicine | CA | |
| Nurse Practitioner | CA | |
| Nurse Practitioner | CA | |
| - | CA |
Reviews
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