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CARL TAHN M.D.
NPI 1508961319
Internal Medicine - Hematology & Oncology in Rockledge, FL

Active since September 14, 2006PECOS EnrolledAccepts Medicare Assignment
107 LONGWOOD AVE, ROCKLEDGE, FL 32955(321) 636-2111(321) 636-7180 Get Directions Write a Review

NPPES record last updated: December 3, 2024. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Dec 3, 2024, Sep 26, 2024, Jan 31, 2022 and 4 more (7 updates tracked since 2016).

About Carl Tahn M.d. NPPES

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

CARL TAHN M.D. (NPI 1508961319) is an individual hematology & oncology provider in Rockledge, Florida, licensed in Kansas (0447691) and active in the NPI registry since September 2006. He is enrolled in Medicare PECOS, is affiliated with Hays Medical Center, and maintains 3 additional practice locations.

NPPES Registry Identity

NPI1508961319
Entity TypeIndividualMale
Primary Taxonomy207RH0003X
Provider Legal NameCARL TAHNCredential: M.D.
Location Address107 LONGWOOD AVERockledge, FL 32955
Mailing Address908 W 4th North StMorristown, TN 37814-3894 · (423) 492-6100 · Fax (423) 492-6101
Phone(321) 636-2111
Fax(321) 636-7180
Sole ProprietorNo
Medical School CMSGeorge Washington University School Of MedicineGraduated 1991
Enumeration DateSeptember 14, 2006
Last NPPES UpdateDecember 3, 20247 updates tracked since enumeration
NPPES CertifiedDecember 3, 2024
✔ NPI 1508961319 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal Medicine · Hematology & OncologyAllopathic & Osteopathic Physicians
Taxonomy Code207RH0003X
Licenses✔ Licensed in KS · 0447691✔ Licensed in GU · M-2288✔ Licensed in MO · 2018033152✔ Licensed in FL · 89137
Definition
An internist doctor of osteopathy that specializes in the treatment of the combination of hematology and oncology disorders. A doctor of osteopathy that is board eligible/certified by the American Osteopathic Board of Internal Medicine WAS able to obtain a Certificate of Special Qualifications in the field of Hematology and Oncology. The Certificate is NO longer offered.
Also ListedInternal Medicine · Medical OncologyTaxonomy 207RX0202X · License 0101281530 (VA), 2018033152 (MO)
107 LONGWOOD AVE, Rockledge, FL 32955
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Secondary Practice Locations 3

Location 1902 N Riverside Rd Ste 200Saint Joseph, MO 64507-2566 · Phone (816) 271-1301 · Fax (816) 271-1302
Location 21100 N Kentucky AveWest Plains, MO 65775-2029 · Phone (417) 256-9111
Location 32220 Canterbury Dr Ste 150Hays, KS 67601-2370 · Phone (785) 623-5774

Other Identifiers 2

Medicaid268516700FL
MedicaidQ031435TN

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter from Sunflower Health Plan, Ambetter Health, Ambetter Health of Delaware and more.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

Carl Tahn 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 ID547158941
PECOS Enrollment IDI20231019001476
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 Carl Tahn reassigns Medicare billing to 8 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Thompson Oncology Group
558 mi
Hematology & Oncology
1915 WHITE AVE
Knoxville, TN 37916
  • Reassigned Medicare billing, Tennessee enrollment
  • 139 clinicians in this Medicare group
NPI 1619975737 (865) 541-1720
Ozarks Medical Center
845 mi
Rural Health
1375 NETTLETON AVENUE
Thayer, MO 65791
  • Reassigned Medicare billing, Missouri enrollment
  • 338 clinicians in this Medicare group
NPI 1730215195 (417) 264-7136
Heartland Regional Medical Center
1,125 mi
General Practice
5325 FARAON ST
Saint Joseph, MO 64506
  • Reassigned Medicare billing, Kansas enrollment
  • 22 clinicians in this Medicare group
NPI 1477575405 (816) 271-6000
Bridgton Hospital
1,217 mi
Critical Access
10 HOSPITAL DR
Bridgton, ME 04009
  • Reassigned Medicare billing, Maine enrollment
  • 563 clinicians in this Medicare group
NPI 1154370153 (207) 795-5709
Central Maine Medical Center
1,233 mi
General Acute Care Hospital
300 MAIN ST
Lewiston, ME 04240
  • Reassigned Medicare billing, Maine enrollment
  • 920 clinicians in this Medicare group
NPI 1689653487 (207) 795-5646
Hays Medical Center, Inc
1,249 mi
Multi-Specialty
3800 10TH ST
Great Bend, KS 67530
  • Reassigned Medicare billing, Kansas enrollment
  • 218 clinicians in this Medicare group
NPI 1689321226 (620) 796-2135
Rumford Hospital
1,251 mi
Critical Access
420 FRANKLIN ST
Rumford, ME 04276
  • Reassigned Medicare billing, Maine enrollment
  • 544 clinicians in this Medicare group
NPI 1205991122 (207) 369-1000
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 9

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.
387 services274 patients
Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count 85025
A Complete Blood Cell Count is a common test that measures various components of the blood, including red cells (carry oxygen), white cells (fight infection), and platelets (help blood clot). An automated test ensures accuracy. The differential count provides detailed information about white cell types.
61 services41 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.
48 services48 patients
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.
47 services38 patients
Blood test, comprehensive group of blood chemicals 80053
A comprehensive group of blood chemicals test, also known as a comprehensive metabolic panel, is a blood test that measures your sugar level, electrolyte and fluid balance, kidney function, and liver function. This helps to check your body's overall health.
35 services25 patients
Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more 99215
This service involves a follow-up appointment for existing patients, lasting between 40 to 54 minutes. During this time, your healthcare provider will assess your current health status, discuss any changes or concerns, review your treatment plan, and answer any questions you may have.
24 services23 patients

Hospital Affiliations CMS Care Compare 5

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

Hays Medical Center

Acute Care Hospitals · Hays, KS
5/5 CMS rating
OwnershipVoluntary non-profit - Other
CMS Certification Number170013
Location2220 Canterbury DriveHays, KS 67601 · Ellis County
Emergency services Birthing friendly

Rooks County Health Center

Critical Access Hospitals · Plainville, KS
OwnershipGovernment - Hospital District or Authority
CMS Certification Number171311
Location1210 North WashingtonPlainville, KS 67663 · Rooks County
Emergency services

Graham County Hospital

Critical Access Hospitals · Hill City, KS
OwnershipGovernment - Local
CMS Certification Number171325
Location304 West Prout StreetHill City, KS 67642 · Graham County
Emergency services

Pawnee Valley Community Hospital

Critical Access Hospitals · Larned, KS
OwnershipVoluntary non-profit - Private
CMS Certification Number171345
Location923 Carroll AvenueLarned, KS 67550 · Pawnee County
Emergency services

Phillips County Hospital

Critical Access Hospitals · Phillipsburg, KS
OwnershipGovernment - Local
CMS Certification Number171353
Location1150 State StreetPhillipsburg, KS 67661 · Phillips County
Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 32955 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
$171.84 typical visit price
range $56.00 – $171.84
Typical copayment $42.96 (range $14.00 – $42.96)
Most-billed visit code 99205
Established Patient
$99.16 typical visit price
range $17.57 – $139.16
Typical copayment $24.79 (range $4.39 – $34.79)
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.

Other Providers at the Same Location NPPES 13

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

MS. KAITLYN SHEA MELLICK CF-SLP
Speech-Language Pathologist
107 LONGWOOD AVE
ROCKLEDGE, FL 32955
Brevard County (321) 338-2419
ELIZABETH SUMNER COTA
Occupational Therapy Assistant
107 LONGWOOD AVE
ROCKLEDGE, FL 32955
Brevard County (321) 338-2419
TARYN BYRNES COTA/L
Occupational Therapy Assistant
107 LONGWOOD AVE
ROCKLEDGE, FL 32955
Brevard County (321) 338-2419
ISAAC ESSEESSE M.D.
Internal Medicine (Hematology & Oncology)
107 LONGWOOD AVE
ROCKLEDGE, FL 32955
Brevard County (321) 636-2111
LORYMAR MENDEZ
Specialist/Technologist (Speech-Language Assistant)
107 LONGWOOD AVE
ROCKLEDGE, FL 32955
Brevard County (321) 338-2419
SPEECH AVENUES THERAPY CO
Clinic/Center
107 LONGWOOD AVE
ROCKLEDGE, FL 32955
Brevard County (321) 338-2419
KRYSTA PAZOS
Occupational Therapy Assistant
107 LONGWOOD AVE
ROCKLEDGE, FL 32955
Brevard County (321) 338-2419
MRS. LUCILLE PEARL BOWLES
Specialist/Technologist (Speech-Language Assistant)
107 LONGWOOD AVE
ROCKLEDGE, FL 32955
Brevard County (321) 338-2419

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 Carl Tahn's NPI number?

The NPI number for Carl Tahn is 1508961319. It was assigned to this individual provider in the NPPES registry on September 14, 2006.

Where is Carl Tahn located?

Carl Tahn practices at 107 Longwood Ave, Rockledge, FL 32955. The listed phone number is (321) 636-2111.

What is Carl Tahn's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Hematology & Oncology, with taxonomy code 207RH0003X.

Is Carl Tahn enrolled in Medicare?

Yes. Carl Tahn 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 Carl Tahn's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Carl Tahn reassigns Medicare benefits to 8 organizations: Thompson Oncology Group (Knoxville, TN), Ozarks Medical Center (Thayer, MO), Heartland Regional Medical Center (Saint Joseph, MO), Bridgton Hospital (Bridgton, ME), Central Maine Medical Center (Lewiston, ME) 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 Carl Tahn's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Carl Tahn accept?

Health plans from Ambetter Health, Ambetter Health of Delaware, Ambetter from Sunflower Health Plan, Ambetter of Oklahoma and Blue Cross Blue Shield of Wyoming and 2 other insurers list Carl Tahn 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 Carl Tahn affiliated with any hospitals?

According to CMS data, Carl Tahn is affiliated with Hays Medical Center, Rooks County Health Center, Graham County Hospital, Pawnee Valley Community Hospital and Phillips County Hospital.

When was this NPI record last updated?

The NPPES record for Carl Tahn was last updated on December 3, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 22 months 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.