Doctor profile · Federal record

Dr. David Clemons, MD

Internal Medicine Physician (CMS: Internal Medicine) · Internal Medicine Physician · Hospitalist Physician · Walnut Creek, CA

  • NPI 1831683044
  • Accepts Medicare
  • 8 yrs in practice
  • Licensed in 3 states
  • Male
  • Solo practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
1450 Treat Blvd # 120B
Walnut Creek, CA 945972168
(925) 296-9756
Additional location
651 Willow Grove St
Hackettstown, NJ 078401799
(908) 441-1161
fax (908) 441-1152
Mailing address
1450 Treat Blvd # 300
Walnut Creek, CA 945972168

Credentials & registration

NPPES · NUCC
NPI registered
June 2018 — 8 yrs on file
Profile last updated
January 10, 2024
Year of graduation
2018 — 8 yrs since
Specialty taxonomy
207R00000X — NUCC code
State licenses (3)
Pennsylvania #MT216699 · California #A180021 · New Jersey #25MA11114100

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1831683044. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
1,432
Distinct HCPCS
10
Medicare allowed
$155,674
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 350 184 $142
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 258 98 $123
99490 Chronic care management services, first 20 minutes of clinical staff time directed by health care professional, per calendar month 238 34 $68
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 173 69 $82
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit 70 70 $139
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 57 51 $180
99215 Established patient office or other outpatient visit, 40-54 minutes 30 25 $195
99308 Subsequent nursing facility care with straightforward level of medical decision making, per day, if using time, at least 15 minutes 30 14 $79
99442 Telephone medical discussion with physician, 11-20 minutes 27 22 $100
99441 Telephone medical discussion with physician, 5-10 minutes 26 22 $63

In context: peer comparison

Among 44 peers in Walnut Creek Internal Medicine Physician, average services per provider: 260. This provider delivers 5.5× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$546
Transactions
26
Manufacturers
11
Payer (manufacturer) Industry Txns Amount
Pfizer INC. 4 $88.22
GlaxoSmithKline, LLC. 3 $84.26
AstraZeneca Pharmaceuticals Lp 4 $79.27
Lilly USA, LLC 4 $77.55
Exact Sciences Corporation 2 $51.02
Amgen INC. 2 $46.44
Janssen Pharmaceuticals, INC 2 $35.49
Merck Sharp & Dohme LLC 1 $28.52
Novo Nordisk INC 1 $21.77
Dynavax Technologies Corporation 2 $20.19
Salix Pharmaceuticals, A Division of Bausch Health US, LLC 1 $13.53

By nature of payment

Food and Beverage
$546

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
1,318
Patients
545
Total drug cost
$19,089
Drug Type Claims Patients Total cost
Atorvastatin Calcium Generic 190 82 $2,799
Lisinopril Generic 138 48 $1,844
Amlodipine Besylate Generic 108 44 $863
Metformin Hcl Generic 108 52 $1,330
Gabapentin Generic 89 37 $1,763
Furosemide Generic 87 34 $557
Levothyroxine Sodium Generic 77 31 $1,305
Tamsulosin Hcl Generic 72 32 $1,369
Albuterol Sulfate Hfa (Albuterol Sulfate) Brand 71 33 $2,175
Famotidine Generic 71 31 $709

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. David Clemons's medical specialty?
Dr. David Clemons practices Internal Medicine Physician in Walnut Creek, CA.
Where does Dr. David Clemons practice?
Dr. David Clemons practices at 1450 Treat Blvd # 120B, Walnut Creek, CA 945972168. Office phone: 9252969756.
What is Dr. David Clemons's NPI?
Dr. David Clemons's National Provider Identifier (NPI) is 1831683044, issued by NPPES.
Does Dr. David Clemons accept Medicare assignment?
Yes. Dr. David Clemons accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. David Clemons commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233); Chronic care management services (HCPCS 99490). Source: CMS Medicare Physician & Other Practitioners file.