Doctor profile · Federal record
Dr. Harbir Singh, M.D.
Internal Medicine Physician (CMS: Family Practice) · Tucson, AZ
- NPI 1508844846
- Accepts Medicare
- 34 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
5663 E Grant RD
Tucson, AZ 857122211
(520) 433-4964
fax (520) 204-1940 - Mailing address
-
Po Box 43100
Tucson, AZ 857333100
Credentials & registration
- NPI registered
- January 2006 — 20 yrs on file
- Profile last updated
- January 13, 2021
- Year of graduation
- 1992 — 34 yrs since
- Specialty taxonomy
- 207R00000X — NUCC code
- State license (1)
- Arizona #32999
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1508844846. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
724
Distinct HCPCS
10
Medicare allowed
$59,374
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
G0181 |
Physician or allowed practitioner supervision of a patient receiving medicare-covered services provided by a participating home health agency (patient not present) requiring complex and multidisciplinary care modalities involving regular physician or allow | 396 | 104 | $97 | |
G0179 |
Physician or allowed practitioner re-certification for medicare-covered home health services under a home health plan of care (patient not present), including contacts with home health agency and review of reports of patient status required by physicians a | 95 | 49 | $38 | |
G0180 |
Physician or allowed practitioner certification for medicare-covered home health services under a home health plan of care (patient not present), including contacts with home health agency and review of reports of patient status required by physicians and | 69 | 64 | $49 | |
G0182 |
Physician supervision of a patient under a medicare-approved hospice (patient not present) requiring complex and multidisciplinary care modalities involving regular physician development and/or revision of care plans, review of subsequent reports of patien | 41 | 24 | $97 | |
99309 |
Subsequent nursing facility care with moderate level of medical decision making, per day, if using time, at least 30 minutes | 36 | 23 | $99 | |
99211 |
Office or other outpatient visit for the evaluation and management of established patient that may not require presence of healthcare professional | 19 | 17 | $22 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 19 | 15 | $119 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 18 | 17 | $76 | |
36410 |
Insertion of needle into vein (3 years or older) | 17 | 14 | $16 | |
99204 |
New patient office or other outpatient visit, 45-59 minutes | 14 | 14 | $156 |
In context: peer comparison
Among 128 peers in Tucson Internal Medicine Physician, average services per provider: 112. This provider delivers 6.5× the peer median.Open Payments
Industry payments received
All-time total
$155
Transactions
8
Manufacturers
3
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Teva Pharmaceuticals USA, INC. | 4 | $63.50 | |
| Abbvie INC. | 2 | $46.16 | |
| Sumitomo Pharma America, INC. | 2 | $45.81 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
3,842
Patients
604
Total drug cost
$168,363
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Levothyroxine Sodium | Generic | 383 | 61 | $4,798 |
| Trazodone Hcl | Generic | 363 | 56 | $6,525 |
| Divalproex Sodium | Generic | 348 | 48 | $31,534 |
| Atorvastatin Calcium | Generic | 336 | 71 | $5,681 |
| Risperidone | Generic | 317 | 37 | $8,329 |
| Furosemide | Generic | 311 | 43 | $1,988 |
| Sertraline Hcl | Generic | 286 | 38 | $5,000 |
| Mirtazapine | Generic | 225 | 32 | $10,264 |
| Lisinopril | Generic | 209 | 43 | $2,661 |
| Eliquis (Apixaban) | Brand | 191 | 17 | $72,853 |
Frequently asked questions
What is Dr. Harbir Singh's medical specialty?
Dr. Harbir Singh practices Internal Medicine Physician in Tucson, AZ.
Where does Dr. Harbir Singh practice?
Dr. Harbir Singh practices at 5663 E Grant RD, Tucson, AZ 857122211. Office phone: 5204334964.
What is Dr. Harbir Singh's NPI?
Dr. Harbir Singh's National Provider Identifier (NPI) is 1508844846, issued by NPPES.
Does Dr. Harbir Singh accept Medicare assignment?
Yes. Dr. Harbir Singh accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Harbir Singh commonly perform?
Top Medicare-reported procedures in 2023: Physician or allowed practitioner supervision of a patient receiving medicare-covered services provided by a participating home health agency (patient not present) requiring complex and multidisciplinary care modalities involving regular physician or allow (HCPCS G0181); Physician or allowed practitioner re-certification for medicare-covered home health services under a home health plan of care (patient not present), including contacts with home health agency and review of reports of patient status required by physicians a (HCPCS G0179); Physician or allowed practitioner certification for medicare-covered home health services under a home health plan of care (patient not present), including contacts with home health agency and review of reports of patient status required by physicians and (HCPCS G0180). Source: CMS Medicare Physician & Other Practitioners file.