1. Home
  2. Directory
  3. Pennsylvania
  4. Scranton
  5. Hospitalist
  6. NPI Profile

TATIANA O. CHESNUT M.D.
NPI 1669588299
Hospitalist in Scranton, PA

Active since August 23, 2006PECOS EnrolledAccepts Medicare Assignment
1800 MULBERRY ST, SCRANTON, PA 18510(570) 703-7351(570) 703-7801 Get Directions Write a Review

NPPES record last updated: February 11, 2024. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Feb 11, 2024, Feb 20, 2020, Feb 27, 2019 and 1 more (4 updates tracked since 2017).

About Tatiana O. Chesnut M.d. NPPES

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

TATIANA O. CHESNUT M.D. (NPI 1669588299) is an individual hospitalist provider in Scranton, Pennsylvania, licensed in Pennsylvania (MD469699) and active in the NPI registry since August 2006. She is enrolled in Medicare PECOS, is affiliated with Cary Medical Center, and is a graduate of Other (1993).

NPPES Registry Identity

NPI1669588299
Entity TypeIndividualFemale
Primary Taxonomy208M00000X
Provider Legal NameTATIANA O. CHESNUTCredential: M.D.
Location Address1800 MULBERRY STScranton, PA 18510-2369
Mailing Address100 N Academy AveDanville, PA 17822-4903 · (570) 271-6144 · Fax (570) 271-6578
Phone(570) 703-7351
Fax(570) 703-7801
Sole ProprietorNo
Medical School CMSOtherGraduated 1993
Enumeration DateAugust 23, 2006
Last NPPES UpdateFebruary 11, 20244 updates tracked since enumeration
NPPES CertifiedFebruary 11, 2024
✔ NPI 1669588299 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyHospitalistAllopathic & Osteopathic Physicians
Taxonomy Code208M00000X
Licenses✔ Licensed in PA · MD469699✔ Licensed in TN · MD46654
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 ListedInternal MedicineTaxonomy 207R00000X · License 46654 (TN), 0101279507 (VA)
1800 MULBERRY ST, Scranton, PA 18510
Open in Google Maps ↗

Other Identifiers 3

Medicaid7100159290KY
Medicaid1521378TN
Other4352346TN · Bcbs

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Anthem Blue Cross and Blue Shield, Oscar Insurance Company.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

Tatiana O. Chesnut M.d. 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 ID6204833643
PECOS Enrollment IDI20200326001773
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

7

Medicare enrollment records show Tatiana Chesnut reassigns Medicare billing to 7 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Geisinger Clinic
Same address
Neurology
1800 MULBERRY ST
Scranton, PA 18510
  • Reassigned Medicare billing, Pennsylvania enrollment
  • 4,429 clinicians in this Medicare group
NPI 1023067493 (570) 703-8888
Pennsylvania Hm Associates PC
37 mi
Hospitalist
206 E BROWN ST
East Stroudsburg, PA 18301
  • Reassigned Medicare billing, Pennsylvania enrollment
  • 103 clinicians in this Medicare group
NPI 1841637865 (570) 421-4000
Nes Medical Services Of New England Inc
420 mi
Emergency Medicine
360 BROADWAY
Bangor, ME 04401
  • Reassigned Medicare billing, Maine enrollment
  • 54 clinicians in this Medicare group
NPI 1396401907 (207) 907-3000
Hospital Medicine Services Of Maine LLC
426 mi
Hospitalist
50 UNION ST
Ellsworth, ME 04605
  • Reassigned Medicare billing, Maine enrollment
  • 99 clinicians in this Medicare group
NPI 1538638432 (865) 693-1000
Maine Medical Services LLC
426 mi
Hospitalist
50 UNION ST
Ellsworth, ME 04605
  • Reassigned Medicare billing, Maine enrollment
  • 85 clinicians in this Medicare group
NPI 1053878371 (865) 693-1000
Pines Health Services
526 mi
Federally Qualified Health Center (FQHC)
1260 MAIN STREET
Washburn, ME 04786
  • Reassigned Medicare billing, Maine enrollment
  • 91 clinicians in this Medicare group
NPI 1922449834 (207) 455-4750
Southeastern Intensivist Services PC
898 mi
Hospitalist
2100 N 7TH ST
West Memphis, AR 72301
  • Reassigned Medicare billing, Virginia enrollment
  • 528 clinicians in this Medicare group
NPI 1912942665 (870) 733-3020

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.

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.
278 services96 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.
122 services114 patients
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.
106 services51 patients
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 99223
Initial hospital inpatient care per day, typically 70 minutes, refers to the daily medical service provided to patients admitted to the hospital. This includes a comprehensive evaluation, diagnosis, treatment plan, and monitoring of your health condition. It ensures your well-being during your hospital stay.
69 services67 patients

Hospital Affiliations CMS Care Compare 5

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

Cary Medical Center

Acute Care Hospitals · Caribou, ME
3/5 CMS rating
OwnershipGovernment - Local
CMS Certification Number200031
Location163 Van Buren Rd, Suite 1Caribou, ME 04736 · Aroostook County
Emergency services Birthing friendly

Northern Light Eastern Maine Medical Center

Acute Care Hospitals · Bangor, ME
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number200033
Location489 State StreetBangor, ME 04401 · Penobscot County
Emergency services Birthing friendly

Northern Light Maine Coast Hospital

Acute Care Hospitals · Ellsworth, ME
1/5 CMS rating
OwnershipVoluntary non-profit - Other
CMS Certification Number200050
Location50 Union StreetEllsworth, ME 04605 · Hancock County
Emergency services Birthing friendly

Northern Light Blue Hill Memorial Hospital

Critical Access Hospitals · Blue Hill, ME
OwnershipVoluntary non-profit - Private
CMS Certification Number201300
Location57 Water StreetBlue Hill, ME 04614 · Hancock County
Emergency services

Calais Community Hospital

Critical Access Hospitals · Calais, ME
OwnershipVoluntary non-profit - Private
CMS Certification Number201305
Location24 Hospital LaneCalais, ME 04619 · Washington County
Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 18510 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
$126.34 typical visit price
range $54.64 – $166.87
Typical copayment $31.58 (range $13.66 – $41.71)
Most-billed visit code 99204
Established Patient
$96.82 typical visit price
range $17.33 – $135.84
Typical copayment $24.20 (range $4.33 – $33.96)
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.

Referred Medical Equipment & Supplies CMS DME claims

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Oxygen concentrator, single delivery port, capable of delivering 85 percent or greater oxygen concentration at the prescribed flow rate E1390
DME-Oxygen and Supplies · category DC002N
3 suppliers12 claims16 services$90.62 avg. paid by Medicare
Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

DR. RAJAGOPALAN RENGAN D.O
Internal Medicine (Pulmonary Disease)
1800 MULBERRY ST
SCRANTON, PA 18510
Lackawanna County (570) 969-0161
FELICIA RZESZEWSKI DNP
Nurse Anesthetist, Certified Registered
1800 MULBERRY ST
SCRANTON, PA 18510
Lackawanna County (570) 703-8259
EMILY TEMPLE RN
Registered Nurse (Medical-Surgical)
1800 MULBERRY ST
SCRANTON, PA 18510
Lackawanna County (570) 703-8000
AMY CLIFFORD-CARTWRIGHT RD, LDN
Dietitian, Registered
1800 MULBERRY ST
SCRANTON, PA 18510
Lackawanna County (570) 703-8084
RITU KHURANA M.D.
Internal Medicine (Rheumatology)
1800 MULBERRY ST
SCRANTON, PA 18510
Lackawanna County (570) 703-7351
FITZGERALD JUNIOR CASIMIR MD
Surgery
1800 MULBERRY ST
SCRANTON, PA 18510
Lackawanna County (570) 703-7245
TARA A MCCANTS RN
Nurse Anesthetist, Certified Registered
1800 MULBERRY ST
SCRANTON, PA 18510
Lackawanna County (570) 703-8259
CHELSEA LYNN ERIE FNP-C
Nurse Practitioner
1800 MULBERRY ST
SCRANTON, PA 18510
Lackawanna County (570) 703-4954

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 Tatiana Chesnut's NPI number?

The NPI number for Tatiana Chesnut is 1669588299. It was assigned to this individual provider in the NPPES registry on August 23, 2006.

Where is Tatiana Chesnut located?

Tatiana Chesnut practices at 1800 Mulberry St, Scranton, PA 18510. The listed phone number is (570) 703-7351.

What is Tatiana Chesnut's specialty?

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

Is Tatiana Chesnut enrolled in Medicare?

Yes. Tatiana Chesnut 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 Tatiana Chesnut's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Tatiana Chesnut reassigns Medicare benefits to 7 organizations: Geisinger Clinic (Scranton, PA), Pennsylvania Hm Associates PC (East Stroudsburg, PA), Nes Medical Services Of New England Inc (Bangor, ME), Hospital Medicine Services Of Maine LLC (Ellsworth, ME), Maine Medical Services LLC (Ellsworth, ME) and 2 more organizations, listed in the Medicare section above. 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 Tatiana Chesnut's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Tatiana Chesnut accept?

Health plans from Anthem Blue Cross and Blue Shield and Oscar Insurance Company list Tatiana Chesnut 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 Tatiana Chesnut affiliated with any hospitals?

According to CMS data, Tatiana Chesnut is affiliated with Cary Medical Center, Northern Light Eastern Maine Medical Center, Northern Light Maine Coast Hospital, Northern Light Blue Hill Memorial Hospital and Calais Community Hospital.

When was this NPI record last updated?

The NPPES record for Tatiana Chesnut was last updated on February 11, 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.