Doctor profile · Federal record

Dr. Demosthenes Papamatheakis, MD

Pulmonary Disease Physician (CMS: Pulmonary Disease) · San Diego, CA

  • NPI 1326168600
  • Accepts Medicare
  • 23 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
200 W Arbor Dr
San Diego, CA 921039000
(619) 543-6303
Mailing address
Po Box 232410
San Diego, CA 921932410

Credentials & registration

NPPES · NUCC
NPI registered
March 2007 — 19 yrs on file
Profile last updated
September 17, 2020
Year of graduation
2003 — 23 yrs since
Specialty taxonomy
207RP1001X — NUCC code
State license (1)
California #A101188

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1326168600. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
281
Distinct HCPCS
8
Medicare allowed
$42,114
HCPCS Description Services Patients Avg allowed
99291 Critical care, first 30-74 minutes 85 30 $218
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 54 27 $123
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 52 20 $82
99214 Established patient office or other outpatient visit, 30-39 minutes 34 23 $101
99205 New patient office or other outpatient visit, 60-74 minutes 18 18 $187
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 14 14 $179
99215 Established patient office or other outpatient visit, 40-54 minutes 12 11 $149
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 12 12 $134

In context: peer comparison

Among 19 peers in San Diego Pulmonary Disease Physician, average services per provider: 78. This provider delivers 3.6× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$542
Transactions
10
Manufacturers
4
Payer (manufacturer) Industry Txns Amount
Bayer Healthcare Pharmaceuticals INC. 1 $200.00
United Therapeutics Corporation 6 $164.49
Actelion Pharmaceuticals US, INC. 2 $154.55
Merck Sharp & Dohme LLC 1 $23.40

By nature of payment

Food and Beverage
$342
Consulting Fee
$200

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
420
Patients
18
Total drug cost
$4,746,517
Drug Type Claims Patients Total cost
Opsumit (Macitentan) Brand 141 18 $1,836,211
Adempas (Riociguat) Brand 81 0 $1,010,519
Uptravi (Selexipag) Brand 56 0 $1,459,811
Sildenafil Citrate Generic 40 0 $15,339
Adcirca (Tadalafil) Brand 25 0 $113,244
Ambrisentan Generic 24 0 $147,169
Orenitram ER (Treprostinil Diolamine) Brand 24 0 $163,948
Spironolactone Generic 17 0 $162
Furosemide Generic 12 0 $115

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Demosthenes Papamatheakis's medical specialty?
Dr. Demosthenes Papamatheakis practices Pulmonary Disease Physician in San Diego, CA.
Where does Dr. Demosthenes Papamatheakis practice?
Dr. Demosthenes Papamatheakis practices at 200 W Arbor Dr, San Diego, CA 921039000. Office phone: 6195436303.
What is Dr. Demosthenes Papamatheakis's NPI?
Dr. Demosthenes Papamatheakis's National Provider Identifier (NPI) is 1326168600, issued by NPPES.
Does Dr. Demosthenes Papamatheakis accept Medicare assignment?
Yes. Dr. Demosthenes Papamatheakis accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Demosthenes Papamatheakis commonly perform?
Top Medicare-reported procedures in 2023: Critical care (HCPCS 99291); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232). Source: CMS Medicare Physician & Other Practitioners file.