Doctor profile · Federal record

Dr. Daniel Witten, MD

Internal Medicine Physician (CMS: Internal Medicine) · Denver, CO

  • NPI 1245233782
  • Accepts Medicare
  • 31 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
4500 E 9Th Ave, Ste 140
Denver, CO 802203920
(303) 394-2152
fax (303) 394-2496

Credentials & registration

NPPES · NUCC
NPI registered
May 2005 — 21 yrs on file
Profile last updated
November 10, 2009
Year of graduation
1995 — 31 yrs since
Specialty taxonomy
207R00000X — NUCC code
State license (1)
Colorado #40778
Medicaid
CO #28482379

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1245233782. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
3,088
Distinct HCPCS
10
Medicare allowed
$243,419
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 446 128 $129
99487 Complex chronic care management services for two or more chronic conditions, first 60 minutes of clinical staff time directed by health care professional, per calendar month 330 53 $133
99489 Complex chronic care management services for two or more chronic conditions, each additional 60 minutes of clinical staff time directed by health care professional, per calendar month 316 42 $71
99490 Chronic care management services, first 20 minutes of clinical staff time directed by health care professional, per calendar month 260 94 $63
99454 Remote monitoring of physiologic parameters, initial supply of devices with daily recordings or programmed alerts transmission, each 30 days 244 27 $51
99457 Management using the results of remote vital sign monitoring per calendar month, first 20 minutes 197 27 $49
99497 Advance care planning, first 30 minutes 97 96 $82
88738 Hemoglobin measurement 94 47 $5
G0444 Annual depression screening, 5 to 15 minutes 94 94 $19
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit 90 90 $130

In context: peer comparison

Among 78 peers in this city , average services per provider: 111. This provider delivers 28× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$709
Transactions
34
Manufacturers
12
Payer (manufacturer) Industry Txns Amount
Novo Nordisk Inc 10 $181.42
GlaxoSmithKline, LLC. 5 $120.77
Novartis Pharmaceuticals Corporation 3 $73.13
ViiV Healthcare Company 3 $68.71
Lilly USA, LLC 3 $67.44
Amgen Inc. 2 $42.86
AIMMUNE THERAPEUTICS, INC. 2 $36.10
Janssen Pharmaceuticals, Inc 2 $33.88
Astellas Pharma US Inc 1 $29.18
Esperion Therapeutics, Inc. 1 $20.06
Merck Sharp & Dohme LLC 1 $18.80
IDORSIA PHARMACEUTICALS US INC 1 $16.67

By nature of payment

Food and Beverage
$709

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
2,060
Patients
649
Total drug cost
$69,155
Drug Type Claims Patients Total cost
Rosuvastatin Calcium Generic 291 90 $9,153
Levothyroxine Sodium Generic 252 61 $5,548
Lisinopril Generic 174 51 $2,330
Atorvastatin Calcium Generic 167 50 $2,978
Losartan Potassium Generic 162 44 $3,531
Amlodipine Besylate Generic 160 53 $2,200
Tamsulosin Hcl Generic 107 35 $2,911
Diclofenac Sodium Generic 100 22 $2,738
Metformin Hcl Er (Metformin Hcl) Brand 98 24 $1,253
Fluticasone Propionate Generic 95 20 $2,371

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Daniel Witten's medical specialty?
Dr. Daniel Witten practices Internal Medicine Physician in Denver, CO.
Where does Dr. Daniel Witten practice?
Dr. Daniel Witten practices at 4500 E 9Th Ave, Denver, CO 802203920. Office phone: 3033942152.
What is Dr. Daniel Witten's NPI?
Dr. Daniel Witten's National Provider Identifier (NPI) is 1245233782, issued by NPPES.
Does Dr. Daniel Witten accept Medicare assignment?
Yes. Dr. Daniel Witten accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Daniel Witten commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Complex chronic care management services for two or more chronic conditions (HCPCS 99487); Complex chronic care management services for two or more chronic conditions (HCPCS 99489). Source: CMS Medicare Physician & Other Practitioners file.