DR. TILAHUN A. GEMTESSA M.D.
NPI 1780905174
Internal Medicine - Infectious Disease in Hartford, CT

Active since June 19, 2010PECOS EnrolledAccepts Medicare Assignment
1000 ASYLUM AVE STE 4304, HARTFORD, CT 06105(860) 714-5895 Get Directions Write a Review

NPPES record last updated: March 30, 2024. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Mar 5, 2022, Dec 26, 2019, Oct 21, 2019 and 2 more (5 updates tracked since 2016).

About Dr. Tilahun A. Gemtessa M.d. NPPES

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

DR. TILAHUN A. GEMTESSA M.D. (NPI 1780905174) is an individual infectious disease provider in Hartford, Connecticut, licensed in Connecticut (052072) and active in the NPI registry since June 2010. He is enrolled in Medicare PECOS and is a graduate of Other (2000).

NPPES Registry Identity

NPI1780905174
Entity TypeIndividualMale
Primary Taxonomy207RI0200X
Provider Legal NameDR. TILAHUN A. GEMTESSACredential: M.D.
Location Address1000 ASYLUM AVE STE 4304Hartford, CT 06105-1704
Mailing Address1000 Asylum Ave Ste 4304Hartford, CT 06105-1704 · (860) 714-5895
Sole ProprietorYes
Medical School CMSOtherGraduated 2000
Enumeration DateJune 19, 2010
Last NPPES UpdateMarch 30, 20245 updates tracked since enumeration
NPPES CertifiedMarch 30, 2024
✔ NPI 1780905174 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · Infectious DiseaseAllopathic & Osteopathic Physicians
Taxonomy Code207RI0200X
License✔ Licensed in CT · 052072
Definition
An internist who deals with infectious diseases of all types and in all organ systems. Conditions requiring selective use of antibiotics call for this special skill. This physician often diagnoses and treats AIDS patients and patients with fevers which have not been explained. Infectious disease specialists may also have expertise in preventive medicine and travel medicine.
1000 ASYLUM AVE STE 4304, Hartford, CT 06105

Accepted 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

Dr. Tilahun A. Gemtessa 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 ID9335453455
PECOS Enrollment IDI20150804003069, I20220107000112
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

8

Medicare enrollment records show Tilahun Gemtessa reassigns Medicare billing to 8 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Internal Medicine
114 WOODLAND ST, SAINT FRANCIS MEDICAL GROUP INC.
Hartford, CT 06105
  • Reassigned Medicare billing, Connecticut enrollment
  • 1,186 clinicians in this Medicare group
General Acute Care Hospital
80 SEYMOUR ST
Hartford, CT 06102
  • Reassigned Medicare billing, Connecticut enrollment
  • 1,333 clinicians in this Medicare group
General Acute Care Hospital
112 MANSFIELD AVE
Willimantic, CT 06226
  • Reassigned Medicare billing, Connecticut enrollment
  • 302 clinicians in this Medicare group
Hospitalist
100 GRAND ST
New Britain, CT 06052
  • Reassigned Medicare billing, Connecticut enrollment
  • 745 clinicians in this Medicare group
General Acute Care Hospital
435 LEWIS AVE
Meriden, CT 06451
  • Reassigned Medicare billing, Connecticut enrollment
  • 505 clinicians in this Medicare group
Internal Medicine
271 CAREW ST
Springfield, MA 01104
  • Reassigned Medicare billing, Massachusetts enrollment
  • 168 clinicians in this Medicare group
Internal Medicine
271 CAREW ST
Springfield, MA 01104
  • Reassigned Medicare billing, Massachusetts enrollment
  • 298 clinicians in this Medicare group
Psychiatric Unit
326 WASHINGTON ST
Norwich, CT 06360
  • Reassigned Medicare billing, Connecticut enrollment
  • 430 clinicians in this Medicare group

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.
321 services73 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.
98 services91 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.
46 services29 patients
Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes 99231
Follow-up hospital inpatient care is a daily service where a healthcare professional checks on your health progress during your hospital stay. Each session typically lasts 15 minutes, involving updates on your condition and adjustments to your treatment plan, if necessary.
15 services12 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 06105 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
$138.84 typical visit price
range $60.82 – $183.10
Typical copayment $34.71 (range $15.20 – $45.77)
Most-billed visit code 99204
Established Patient
$106.68 typical visit price
range $19.76 – $149.26
Typical copayment $26.67 (range $4.94 – $37.31)
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 Tilahun Gemtessa's NPI number?

The NPI number for Tilahun Gemtessa is 1780905174. It was assigned to this individual provider in the NPPES registry on June 19, 2010.

Where is Tilahun Gemtessa located?

Tilahun Gemtessa practices at 1000 Asylum Ave Ste 4304, Hartford, CT 06105. The listed phone number is (860) 714-5895.

What is Tilahun Gemtessa's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Infectious Disease, with taxonomy code 207RI0200X.

Is Tilahun Gemtessa enrolled in Medicare?

Yes. Tilahun Gemtessa 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 Tilahun Gemtessa's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Tilahun Gemtessa reassigns Medicare benefits to 8 organizations: Trinity Health Of New England Provider Network Organization Inc (Hartford, CT), Hartford Hospital (Hartford, CT), Windham Community Memorial Hospital, Inc. (Willimantic, CT), The Hospital Of Central Connecticut At New Britain General And Bradley (New Britain, CT), Midstate Medical Center (Meriden, CT) and 3 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 Tilahun Gemtessa's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Tilahun Gemtessa accept?

Health plans from Anthem Blue Cross and Blue Shield and Taro Health list Tilahun Gemtessa 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.

When was this NPI record last updated?

The NPPES record for Tilahun Gemtessa was last updated on March 30, 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.