1. Home
  2. Directory
  3. New Hampshire
  4. Nashua
  5. Internal Medicine
  6. NPI Profile

DANIEL TSEYTLIN DO
NPI 1629413398
Internal Medicine - Rheumatology in Nashua, NH

Active since May 07, 2013PECOS EnrolledAccepts Medicare Assignment
90.85/100
CMS Quality Rating
168 KINSLEY ST STE 10, NASHUA, NH 03060(603) 578-9363(603) 578-9539 Get Directions Write a Review

NPPES record last updated: June 9, 2020. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Daniel Tseytlin Do NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DANIEL TSEYTLIN DO (NPI 1629413398) is an individual rheumatology provider in Nashua, New Hampshire, licensed in New Hampshire (20427) and active in the NPI registry since May 2013. He is enrolled in Medicare PECOS, is affiliated with Mary Hitchcock Memorial Hospital, and is a graduate of Lake Erie College Of Osteopathic Medicine, Erie (2013).

NPPES Registry Identity

NPI1629413398
Entity TypeIndividualMale
Primary Taxonomy207RR0500X
Provider Legal NameDANIEL TSEYTLINCredential: DO
Location Address168 KINSLEY ST STE 10Nashua, NH 03060-3634
Mailing AddressC/o St Mary's Health System - Provider Enrollment, Po Box 7291Lewiston, ME 04243-1556 · (207) 777-8695 · Fax (207) 777-8800
Phone(603) 578-9363
Fax(603) 578-9539
Sole ProprietorYes
Medical School CMSLake Erie College Of Osteopathic Medicine, ErieGraduated 2013
Enumeration DateMay 7, 2013
Last NPPES UpdateJune 9, 2020
NPPES CertifiedJune 9, 2020
✔ NPI 1629413398 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal Medicine · RheumatologyAllopathic & Osteopathic Physicians
Taxonomy Code207RR0500X
Licenses✔ Licensed in NH · 20427✔ Licensed in PA · OT015100
Definition
An internist who treats diseases of joints, muscle, bones and tendons. This specialist diagnoses and treats arthritis, back pain, muscle strains, common athletic injuries and collagen diseases.
Also ListedInternal MedicineTaxonomy 207R00000X · License OT015100 (PA), 20427 (NH)
168 KINSLEY ST STE 10, Nashua, NH 03060
Open in Google Maps ↗

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter from NH Healthy Families, Anthem Blue Cross and Blue Shield, Harvard Pilgrim Health Care.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Daniel Tseytlin Do is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID9335389295
PECOS Enrollment IDI20200622000449
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignment

Medicare enrollment records show Daniel Tseytlin reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

St Joseph Hospital Of Nashua Nh
Same address
General Acute Care Hospital
172 KINSLEY STREET
Nashua, NH 03060
  • Reassigned Medicare billing, New Hampshire enrollment
  • 386 clinicians in this Medicare group
NPI 1093787384 (603) 882-3000

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Areas of Expertise CMS Part B claims 4

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
466 services242 patients
New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more 99204
This is a first-time office or outpatient visit lasting between 45-59 minutes. The healthcare provider evaluates your health, discusses your medical history, and may suggest further tests or treatments. It's an opportunity to ask questions and understand your health better.
153 services153 patients
Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213
This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.
52 services46 patients
Aspiration and/or injection of fluid from large joint 20610
This procedure involves using a needle to remove (aspiration) or introduce (injection) fluid into a large joint like the knee or hip. It can help diagnose conditions, relieve discomfort, or deliver medication directly to the joint.
14 services12 patients

Hospital Affiliations CMS Care Compare 4

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Mary Hitchcock Memorial Hospital

Acute Care Hospitals · Lebanon, NH
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number300003
Location1 Medical Center DriveLebanon, NH 03756 · Grafton County
Emergency services Birthing friendly

St Joseph Hospital

Acute Care Hospitals · Nashua, NH
4/5 CMS rating
OwnershipVoluntary non-profit - Other
CMS Certification Number300011
Location172 Kinsley StNashua, NH 03060 · Hillsborough County
Emergency services Birthing friendly

Elliot Hospital

Acute Care Hospitals · Manchester, NH
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number300012
Location1 Elliot WayManchester, NH 03103 · Hillsborough County
Emergency services Birthing friendly

Southern Nh Medical Center

Acute Care Hospitals · Nashua, NH
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number300020
Location8 Prospect StreetNashua, NH 03060 · Hillsborough County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 03060 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$132.09 typical visit price
range $57.75 – $174.26
Typical copayment $33.02 (range $14.43 – $43.56)
Most-billed visit code 99204
Established Patient
$101.54 typical visit price
range $18.70 – $142.15
Typical copayment $25.38 (range $4.67 – $35.53)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

90.85/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored through an Alternative Payment Model
Quality74.14
Promoting Interoperability100
Improvement Activities40

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Daniel Tseytlin's NPI number?

The NPI number for Daniel Tseytlin is 1629413398. It was assigned to this individual provider in the NPPES registry on May 7, 2013.

Where is Daniel Tseytlin located?

Daniel Tseytlin practices at 168 Kinsley St Ste 10, Nashua, NH 03060. The listed phone number is (603) 578-9363.

What is Daniel Tseytlin's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Rheumatology, with taxonomy code 207RR0500X.

Is Daniel Tseytlin enrolled in Medicare?

Yes. Daniel Tseytlin is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Which organization bills Medicare for Daniel Tseytlin's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Daniel Tseytlin reassigns Medicare benefits to St Joseph Hospital Of Nashua Nh (Nashua, NH). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Daniel Tseytlin's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Daniel Tseytlin accept?

Health plans from Ambetter from NH Healthy Families, Anthem Blue Cross and Blue Shield and Harvard Pilgrim Health Care list Daniel Tseytlin as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

Is Daniel Tseytlin affiliated with any hospitals?

According to CMS data, Daniel Tseytlin is affiliated with Mary Hitchcock Memorial Hospital, St Joseph Hospital, Elliot Hospital and Southern Nh Medical Center.

When was this NPI record last updated?

The NPPES record for Daniel Tseytlin was last updated on June 9, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.