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DR. SEMJON TSYRLIN MD
NPI 1699297788
Hospitalist in Mayaguez, PR

Active since July 11, 2017PECOS EnrolledAccepts Medicare Assignment
15 CALLE JOSE DE DIEGO, HOSPITAL PEREA, MAYAGUEZ, PR 00680(787) 834-0101 Get Directions Write a Review

NPPES record last updated: August 8, 2024. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Aug 8, 2024, Mar 12, 2020, Jul 11, 2017 (3 updates tracked since 2017).

About Dr. Semjon Tsyrlin Md NPPES

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

DR. SEMJON TSYRLIN MD (NPI 1699297788) is an individual hospitalist provider in Mayaguez, Puerto Rico, licensed in Guam (M-2445) and active in the NPI registry since July 2017. He is enrolled in Medicare PECOS, is affiliated with Guam Regional Medical City, and is a graduate of Other (2013).

NPPES Registry Identity

NPI1699297788
Entity TypeIndividualMale
Primary Taxonomy208M00000X
Provider Legal NameDR. SEMJON TSYRLINCredential: MD
Location Address15 CALLE JOSE DE DIEGO, HOSPITAL PEREAMayaguez, PR 00680
Mailing Address24-07 201st StreetBayside, NY 11360
Phone(787) 834-0101
Sole ProprietorYes
Medical School CMSOtherGraduated 2013
Enumeration DateJuly 11, 2017
Last NPPES UpdateAugust 8, 20243 updates tracked since enumeration
NPPES CertifiedAugust 8, 2024
✔ NPI 1699297788 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyHospitalistAllopathic & Osteopathic Physicians
Taxonomy Code208M00000X
License✔ Licensed in GU · M-2445
Definition
Hospitalists are physicians whose primary professional focus is the general medical care of hospitalized patients. Their activities include patient care, teaching, research, and leadership related to Hospital Medicine. The term 'hospitalist' refers to physicians whose practice emphasizes providing care for hospitalized patients.
Also ListedGeneral PracticeTaxonomy 208D00000X · License 19722 (PR), 84308 (GA)

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

Dr. Semjon Tsyrlin Md 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 ID2264794213
PECOS Enrollment IDI20240820001952
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 Reassignments

2

Medicare enrollment records show Semjon Tsyrlin reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Commonwealth Healthcare Corporation
Rural Health
SAN JOSE VILLAGE, CORNER OF CANAL STREET & BROADWAY
Tinian, MP 96952
  • Reassigned Medicare billing, Northern Mariana Islands enrollment
  • 200 clinicians in this Medicare group
NPI 1003382854 (670) 433-9233
Guam Healthcare Development Incorporated
Clinic/Center
133 ROUTE 3
Dededo, GU 96929
  • Reassigned Medicare billing, Guam enrollment
  • 432 clinicians in this Medicare group
NPI 1326447939 (671) 645-5500

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 5

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.

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 99233
Follow-up hospital inpatient care per day typically involves a 35-minute check-up by your healthcare provider. This service includes monitoring your health progress, adjusting your treatment plan if needed, and answering any questions you may have about your condition or care.
147 services33 patients
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 99232
Follow-up hospital inpatient care involves daily check-ups while you're admitted in the hospital. Typically, a healthcare provider spends about 25 minutes each day reviewing your condition, adjusting treatment if needed, and answering any questions you might have.
132 services30 patients
Hospital discharge day management, more than 30 minutes 99239
Hospital discharge day management over 30 minutes involves a detailed process to ensure a smooth transition from hospital to home. It includes final examinations, discussion of your hospital stay, post-discharge instructions, and coordinating follow-up care.
32 services31 patients
Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 99222
Initial hospital inpatient care is a service where a healthcare provider spends about 50 minutes per day overseeing your care while you're admitted in the hospital. This includes reviewing your health status, planning your treatment, and ensuring your safety and comfort.
13 services13 patients
Hospital discharge day management, 30 minutes or less 99238
Hospital discharge day management of 30 minutes or less includes finalizing your treatment, discussing your progress, and planning after-care at home. It ensures you're ready to leave the hospital and continue recovery safely.
11 services11 patients

Hospital Affiliations CMS Care Compare

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

Guam Regional Medical City

Acute Care Hospitals · Dededo, GU
OwnershipVoluntary non-profit - Private
CMS Certification Number650003
Location133 Route 3Dededo, GU 96929 · Guam County
Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 00680 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
$130.65 typical visit price
range $56.86 – $172.44
Typical copayment $32.66 (range $14.21 – $43.11)
Most-billed visit code 99204
Established Patient
$100.24 typical visit price
range $18.24 – $140.44
Typical copayment $25.06 (range $4.56 – $35.11)
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.

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 Semjon Tsyrlin's NPI number?

The NPI number for Semjon Tsyrlin is 1699297788. It was assigned to this individual provider in the NPPES registry on July 11, 2017.

Where is Semjon Tsyrlin located?

Semjon Tsyrlin practices at 15 Calle Jose De Diego Hospital Perea, Mayaguez, PR 00680. The listed phone number is (787) 834-0101.

What is Semjon Tsyrlin's specialty?

The primary specialty registered for this NPI is Hospitalist with taxonomy code 208M00000X.

Is Semjon Tsyrlin enrolled in Medicare?

Yes. Semjon Tsyrlin 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 organizations bill Medicare for Semjon Tsyrlin's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Semjon Tsyrlin reassigns Medicare benefits to 2 organizations: Commonwealth Healthcare Corporation (Tinian, MP) and Guam Healthcare Development Incorporated (Dededo, GU). Each 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 Semjon Tsyrlin's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

Is Semjon Tsyrlin affiliated with any hospitals?

According to CMS data, Semjon Tsyrlin is affiliated with Guam Regional Medical City.

When was this NPI record last updated?

The NPPES record for Semjon Tsyrlin was last updated on August 8, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.