Doctor profile · Federal record

Dr. Mahtab Moshtagh Sisan, MD

Sleep Medicine (Internal Medicine) Physician (CMS: Family Practice) · Family Medicine Physician · Porter Ranch, CA

  • NPI 1982197901
  • Accepts Medicare
  • MIPS 84.9 / 100 · 2023
  • 8 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
19950 Rinaldi St Ste 300
Porter Ranch, CA 913264141
(818) 271-2400
fax (818) 271-2401
Additional location
25775 McBean Pkwy Ste 215
Valencia, CA 913553703
(661) 753-5464
fax (661) 753-5466
Mailing address
5767 W Century Blvd Ste 400
Los Angeles, CA 900455631

Credentials & registration

NPPES · NUCC
NPI registered
June 2018 — 8 yrs on file
Profile last updated
December 1, 2022
Year of graduation
2018 — 8 yrs since
Specialty taxonomy
207RS0012X — NUCC code
State license (1)
California #A173400

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1982197901. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
671
Distinct HCPCS
9
Medicare allowed
$81,239
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 201 131 $137
99204 New patient office or other outpatient visit, 45-59 minutes 151 151 $178
99213 Established patient office or other outpatient visit, 20-29 minutes 101 96 $97
96127 Assessment of emotional or behavioral problems 50 49 $5
99215 Established patient office or other outpatient visit, 40-54 minutes 45 43 $194
95806 Sleep study including heart rate, breathing, airflow, and effort 43 43 $45
95810 Sleep study in sleep lab (6 years or older) 38 38 $123
95800 Sleep study including heart rate, breathing, and sleep time 30 30 $42
81002 Urinalysis, manual test 12 12 $3

In context: peer comparison

Among 1 peers in this city , average services per provider: 74. This provider delivers 9.1× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$111
Transactions
3
Manufacturers
2
Payer (manufacturer) Industry Txns Amount
HARMONY BIOSCIENCES LLC 2 $79.51
Harmony Biosciences Llc 1 $31.55

By nature of payment

Food and Beverage
$111

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
210
Patients
51
Total drug cost
$13,292
Drug Type Claims Patients Total cost
Gabapentin Generic 45 14 $497
Mirtazapine Generic 41 18 $2,145
Zolpidem Tartrate Generic 39 19 $530
Modafinil Generic 19 0 $608
Belsomra (Suvorexant) Brand 15 0 $6,230
Zolpidem Tartrate Er (Zolpidem Tartrate) Brand 15 0 $411
Eszopiclone Generic 13 0 $2,514
Trazodone Hcl Generic 12 0 $121
Clonazepam Generic 11 0 $236

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Mahtab Moshtagh Sisan's medical specialty?
Dr. Mahtab Moshtagh Sisan practices Sleep Medicine (Internal Medicine) Physician in Porter Ranch, CA.
Where does Dr. Mahtab Moshtagh Sisan practice?
Dr. Mahtab Moshtagh Sisan practices at 19950 Rinaldi St Ste 300, Porter Ranch, CA 913264141. Office phone: 8182712400.
What is Dr. Mahtab Moshtagh Sisan's NPI?
Dr. Mahtab Moshtagh Sisan's National Provider Identifier (NPI) is 1982197901, issued by NPPES.
Does Dr. Mahtab Moshtagh Sisan accept Medicare assignment?
Yes. Dr. Mahtab Moshtagh Sisan accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Mahtab Moshtagh Sisan commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); New patient office or other outpatient visit (HCPCS 99204); Established patient office or other outpatient visit (HCPCS 99213). Source: CMS Medicare Physician & Other Practitioners file.