Doctor profile · Federal record

Dr. Constantine Chaknos, MD

Nephrology Physician (CMS: Nephrology) · Internal Medicine Physician · Philadelphia, PA

  • NPI 1588870901
  • Accepts Medicare
  • 20 yrs in practice
  • Licensed in 2 states
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
3400 Civic Center Blvd., 1St Floor, Suite 300S
Philadelphia, PA 191042617
(215) 662-2638
fax (215) 349-5703

Credentials & registration

NPPES · NUCC
NPI registered
May 2007 — 19 yrs on file
Profile last updated
August 22, 2019
Year of graduation
2006 — 20 yrs since
Specialty taxonomy
207RN0300X — NUCC code
State licenses (2)
Pennsylvania #MD442952 · Massachusetts #228780

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1588870901. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
754
Distinct HCPCS
10
Medicare allowed
$103,057
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 257 199 $93
90999 Other inpatient or outpatient dialysis procedure 84 25 $90
90960 Dialysis services, 4 or more physician visits per month (20 years or older) 71 15 $375
99215 Established patient office or other outpatient visit, 40-54 minutes 52 39 $103
99214 Established patient office or other outpatient visit, 30-39 minutes 47 42 $84
90935 Hemodialysis procedure with physician evaluation 43 29 $74
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 43 26 $124
90961 Dialysis services, 2-3 physician visits per month (20 years or older) 31 14 $314
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 31 18 $82
99215 Established patient office or other outpatient visit, 40-54 minutes 26 25 $133

In context: peer comparison

Among 50 peers in Philadelphia Nephrology Physician, average services per provider: 81. This provider delivers 9.3× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
1,045
Patients
302
Total drug cost
$55,517
Drug Type Claims Patients Total cost
Amlodipine Besylate Generic 148 47 $1,713
Calcitriol Generic 123 37 $4,112
Chlorthalidone Generic 89 22 $1,447
Losartan Potassium Generic 85 34 $1,562
Potassium Citrate ER (Potassium Citrate) Brand 84 27 $13,762
Furosemide Generic 76 26 $739
Sodium Chloride (0.9 % Sodium Chloride) Brand 75 0 $2,828
Carvedilol Generic 74 23 $1,330
Lisinopril Generic 51 19 $475
Clinolipid (Fat Emulsion/Olive/Soy/Phospho) Brand 50 0 $16,201

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Constantine Chaknos's medical specialty?
Dr. Constantine Chaknos practices Nephrology Physician in Philadelphia, PA.
Where does Dr. Constantine Chaknos practice?
Dr. Constantine Chaknos practices at 3400 Civic Center Blvd., Philadelphia, PA 191042617. Office phone: 2156622638.
What is Dr. Constantine Chaknos's NPI?
Dr. Constantine Chaknos's National Provider Identifier (NPI) is 1588870901, issued by NPPES.
Does Dr. Constantine Chaknos accept Medicare assignment?
Yes. Dr. Constantine Chaknos accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Constantine Chaknos commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Other inpatient or outpatient dialysis procedure (HCPCS 90999); Dialysis services, 4 or more physician visits per month (20 years or older) (HCPCS 90960). Source: CMS Medicare Physician & Other Practitioners file.