Doctor profile · Federal record
Dr. Mosab Frefer, MD
Internal Medicine Physician (CMS: Internal Medicine) · Tucson, AZ
- NPI 1659800977
- Accepts Medicare
- 10 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
Operates at 2 locations .
- Primary practice
-
1100 N El Dorado Pl
Tucson, AZ 857154606
(520) 526-2068
fax (520) 526-2071 - Additional location
-
450 Clarkson Ave # 1262
Brooklyn, NY 112032012
(718) 270-8867 - Mailing address
-
603 N Wilmot RD Ste 201
Tucson, AZ 857112701
Credentials & registration
- NPI registered
- June 2017 — 9 yrs on file
- Profile last updated
- March 26, 2026
- Year of graduation
- 2016 — 10 yrs since
- Specialty taxonomy
- 207R00000X — NUCC code
- State license (1)
- Arizona #60805
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1659800977. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
2,755
Distinct HCPCS
10
Medicare allowed
$305,441
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99233 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | 580 | 86 | $115 | |
99232 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 484 | 92 | $77 | |
99309 |
Subsequent nursing facility care with moderate level of medical decision making, per day, if using time, at least 30 minutes | 465 | 113 | $103 | |
99308 |
Subsequent nursing facility care with straightforward level of medical decision making, per day, if using time, at least 15 minutes | 329 | 84 | $72 | |
99310 |
Subsequent nursing facility care with high level of medical decision making, per day, if using time, at least 45 minutes | 298 | 87 | $148 | |
99306 |
Initial nursing facility care with high level of medical decision making, per day, if using time, at least 45 minutes | 135 | 123 | $176 | |
99497 |
Advance care planning, first 30 minutes | 106 | 101 | $73 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 96 | 59 | $119 | |
99223 |
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | 73 | 64 | $168 | |
99215 |
Established patient office or other outpatient visit, 40-54 minutes | 54 | 44 | $173 |
In context: peer comparison
Among 128 peers in Tucson Internal Medicine Physician, average services per provider: 112. This provider delivers 25× the peer median.Open Payments
Industry payments received
All-time total
$205
Transactions
10
Manufacturers
6
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| AstraZeneca Pharmaceuticals Lp | 3 | $57.46 | |
| Abbvie INC. | 2 | $36.17 | |
| Lundbeck LLC | 1 | $32.59 | |
| Amgen INC. | 2 | $31.40 | |
| Otsuka America Pharmaceutical, INC. | 1 | $29.74 | |
| Abbott Laboratories | 1 | $17.89 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
2,147
Patients
732
Total drug cost
$94,591
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Atorvastatin Calcium | Generic | 307 | 117 | $4,050 |
| Gabapentin | Generic | 226 | 74 | $4,568 |
| Levothyroxine Sodium | Generic | 179 | 60 | $2,751 |
| Amlodipine Besylate | Generic | 176 | 69 | $1,750 |
| Furosemide | Generic | 148 | 39 | $1,159 |
| Eliquis (Apixaban) | Brand | 143 | 38 | $61,777 |
| Lisinopril | Generic | 137 | 45 | $1,681 |
| Tamsulosin Hcl | Generic | 134 | 48 | $2,837 |
| Enoxaparin Sodium | Generic | 126 | 18 | $4,009 |
| Trazodone Hcl | Generic | 115 | 50 | $1,889 |
Hospital affiliations
Frequently asked questions
What is Dr. Mosab Frefer's medical specialty?
Dr. Mosab Frefer practices Internal Medicine Physician in Tucson, AZ.
Where does Dr. Mosab Frefer practice?
Dr. Mosab Frefer practices at 1100 N El Dorado Pl, Tucson, AZ 857154606. Office phone: 5205262068.
What is Dr. Mosab Frefer's NPI?
Dr. Mosab Frefer's National Provider Identifier (NPI) is 1659800977, issued by NPPES.
Does Dr. Mosab Frefer accept Medicare assignment?
Yes. Dr. Mosab Frefer accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Mosab Frefer commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Subsequent nursing facility care with moderate level of medical decision making (HCPCS 99309). Source: CMS Medicare Physician & Other Practitioners file.