Doctor profile · Federal record
Dr. Daniel Tseytlin, DO
Rheumatology Physician (CMS: Rheumatology) · Internal Medicine Physician · Internal Medicine Physician · Rheumatology Physician · Nashua, NH
- NPI 1629413398
- Accepts Medicare
- MIPS 87.1 / 100 · 2023
- 13 yrs in practice
- Licensed in 2 states
- Male
- Solo practice
- No sanctions
Practice & contact
- Primary practice
-
168 Kinsley St Ste 10
Nashua, NH 030603634
(603) 578-9363
fax (603) 578-9539 - Mailing address
-
C/O St Mary's Health System - Provider Enrollment, Po Box 7291
Lewiston, ME 042431556
Credentials & registration
- NPI registered
- May 2013 — 13 yrs on file
- Profile last updated
- June 9, 2020
- Year of graduation
- 2013 — 13 yrs since
- Specialty taxonomy
- 207RR0500X — NUCC code
- State licenses (2)
- New Hampshire #20427 · Pennsylvania #OT015100
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1629413398. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
571
Distinct HCPCS
4
Medicare allowed
$58,816
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 390 | 216 | $98 | |
99204 |
New patient office or other outpatient visit, 45-59 minutes | 136 | 136 | $133 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 26 | 23 | $65 | |
20610 |
Aspiration and/or injection of fluid from large joint | 19 | 16 | $49 |
In context: peer comparison
Among 3 peers in Nashua Rheumatology Physician, average services per provider: 752. This provider delivers 0.8× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
987
Patients
291
Total drug cost
$981,445
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Methotrexate (Methotrexate Sodium) | Brand | 162 | 51 | $6,004 |
| Prednisone | Generic | 142 | 53 | $1,121 |
| Hydroxychloroquine Sulfate | Generic | 110 | 36 | $8,743 |
| Cyclobenzaprine Hcl | Generic | 80 | 24 | $1,284 |
| Duloxetine Hcl | Generic | 78 | 28 | $3,052 |
| Allopurinol | Generic | 76 | 25 | $1,371 |
| Gabapentin | Generic | 65 | 22 | $1,849 |
| Humira(Cf) Pen (Adalimumab) | Brand | 56 | 0 | $459,961 |
| Enbrel Sureclick (Etanercept) | Brand | 53 | 0 | $493,960 |
| Folic Acid | Generic | 41 | 15 | $220 |
Frequently asked questions
What is Dr. Daniel Tseytlin's medical specialty?
Dr. Daniel Tseytlin practices Rheumatology Physician in Nashua, NH.
Where does Dr. Daniel Tseytlin practice?
Dr. Daniel Tseytlin practices at 168 Kinsley St Ste 10, Nashua, NH 030603634. Office phone: 6035789363.
What is Dr. Daniel Tseytlin's NPI?
Dr. Daniel Tseytlin's National Provider Identifier (NPI) is 1629413398, issued by NPPES.
Does Dr. Daniel Tseytlin accept Medicare assignment?
Yes. Dr. Daniel Tseytlin accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Daniel Tseytlin 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.