Doctor profile · Federal record

Dr. Walter Maier, MD,MPH

Preventive Medicine/Occupational Environmental Medicine Physician (CMS: Preventive Medicine) · Emergency Medicine Physician · General Practice Physician · Lake Arrowhead, CA

  • NPI 1235175233
  • Accepts Medicare
  • MIPS 12.6 / 100 · 2023
  • 33 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
29099 Hospital Road, Suite 112
Lake Arrowhead, CA 92352
(909) 337-3661
fax (909) 337-3570
Mailing address
Po Box 1141
Cedar Glen, CA 923211141

Credentials & registration

NPPES · NUCC
NPI registered
June 2006 — 20 yrs on file
Profile last updated
June 16, 2009
Year of graduation
1993 — 33 yrs since
Specialty taxonomy
2083P0500X — NUCC code
State license (1)
California #G82114

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1235175233. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
850
Distinct HCPCS
7
Medicare allowed
$109,200
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 587 188 $132
99309 Subsequent nursing facility care with moderate level of medical decision making, per day, if using time, at least 30 minutes 133 24 $109
99215 Established patient office or other outpatient visit, 40-54 minutes 36 29 $178
99213 Established patient office or other outpatient visit, 20-29 minutes 35 32 $94
17000 Destruction of precancer skin growth, 1 growth 21 15 $71
99204 New patient office or other outpatient visit, 45-59 minutes 20 20 $173
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit 18 18 $133

In context: peer comparison

Among 1 peers in this city , average services per provider: 121. This provider delivers 7.0× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$70
Transactions
4
Manufacturers
3
Payer (manufacturer) Industry Txns Amount
AstraZeneca Pharmaceuticals LP 2 $37.65
Exact Sciences Corporation 1 $18.38
Janssen Pharmaceuticals, Inc 1 $13.84

By nature of payment

Food and Beverage
$70

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
3,576
Patients
805
Total drug cost
$52,232
Drug Type Claims Patients Total cost
Levothyroxine Sodium Generic 472 102 $8,629
Losartan Potassium Generic 358 87 $6,353
Atorvastatin Calcium Generic 343 103 $5,125
Amlodipine Besylate Generic 338 82 $2,794
Gabapentin Generic 303 50 $4,502
Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) Brand 278 46 $4,769
Potassium Chloride Generic 226 45 $5,561
Furosemide Generic 193 47 $935
Sertraline Hcl Generic 167 27 $1,384
Simvastatin Generic 161 43 $2,211

Frequently asked questions

Auto-generated from federal data
What is Dr. Walter Maier's medical specialty?
Dr. Walter Maier practices Preventive Medicine/Occupational Environmental Medicine Physician in Lake Arrowhead, CA.
Where does Dr. Walter Maier practice?
Dr. Walter Maier practices at 29099 Hospital Road, Lake Arrowhead, CA 92352. Office phone: 9093373661.
What is Dr. Walter Maier's NPI?
Dr. Walter Maier's National Provider Identifier (NPI) is 1235175233, issued by NPPES.
Does Dr. Walter Maier accept Medicare assignment?
Yes. Dr. Walter Maier accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Walter Maier commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Subsequent nursing facility care with moderate level of medical decision making (HCPCS 99309); Established patient office or other outpatient visit (HCPCS 99215). Source: CMS Medicare Physician & Other Practitioners file.