What is Walter Nahm's specialty?

Walter Nahm (NPI 1467447284) is a Medicare-billing provider whose primary specialty is Dermatology in San Diego, CA.

Where does Walter Nahm practice?

Walter Nahm practices in San Diego, CA, based on the location reported in the CMS Medicare provider datasets for NPI 1467447284.

How much does Medicare pay Walter Nahm?

Walter Nahm (NPI 1467447284) received approximately $5.0M in total Medicare Part B payments, serving 396 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1467447284

Walter NahmM.D., PHD.

DermatologySan Diego, CAI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

3,324

Unique beneficiaries

—

Total services

25,903

Distinct HCPCS

Medicare payment

$4.8M

Peer benchmark

Total Medicare services vs. 1,546 Dermatology providers in CA — top quintile (cohort median 2,504).

PRESCRIBING · PART D · 2024

Total Rx claims

2,560

Beneficiaries

—

Total drug cost

$646K

Distinct drugs

Brand share

23.2%

Top prescribed drugs

Ciclopirox Olamine389 claims

Metronidazole350 claims

Triamcinolone Acetonide188 claims

Doxycycline Monohydrate173 claims

Montelukast Sodium141 claims

QUALITY · MIPS · 2024

Final MIPS score

100.0

Quality

100.0

Cost

0.0

Improvement activities

40.0

Promoting interop.

0.0

Payment adjustment

1.05%

Individual

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024

Total received

$504

Payment records

By payment type

Long term medical supply or device loan$245

Food and Beverage$160

Education$99

Top paying entities

Long term medical supply or device loan$245

Food and Beverage$160

Education$99

REFERRAL NETWORK

Where Walter Nahm's patients come from & go

Directional shared-patient flow from Medicare claims — who sends patients to this provider (inbound) and where this provider's patients go next (outbound). 8 inbound referrers · 14 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
SHARP MEMORIAL HOSPITAL	90	591
Cabrillo Surgery Center Ambulatory Surgical Center · San Diego, CA	90	626
Unilab Corporation Clinical Laboratory · West Hills, CA	68	363
FRANCIS, DAVID	41	124
William Watts Pathology · San Diego, CA	26	84
REGENTS OF THE UNIVERSITY OF CALIFORNIA	25	212
Seong Ra Pathology · Los Angeles, CA	21	60
SHARP CORONADO HOSPITAL AND HEALTHCARE CENTER	21	63

Refers patients to

Outbound — where patients go next

Physician	Patients	Visits
Cabrillo Surgery Center Ambulatory Surgical Center · San Diego, CA	74	429
SHARP MEMORIAL HOSPITAL	68	362
Unilab Corporation Clinical Laboratory · West Hills, CA	65	334
Brian Ronson Radiation Oncology · Temecula, CA	55	1,431
FRANCIS, DAVID	54	176
Laboratory Corporation Of America Clinical Laboratory · San Diego, CA	37	175
Seong Ra Pathology · Los Angeles, CA	35	99
Scripps Health Clinical Laboratory · San Diego, CA	30	213
REGENTS OF THE UNIVERSITY OF CALIFORNIA	27	230
William Watts Pathology · San Diego, CA	24	62
GROSSMONT HOSPITAL CORPORATION	22	80
SCRIPPS HEALTH	19	72

Source: CMS Physician Shared Patient Patterns (30-day window, Medicare FFS). Direction = a beneficiary seen by the first provider, then the second, within 30 days; a proxy for referral, not a documented referral. Pairs with fewer than 11 shared beneficiaries are suppressed.

CROSS-REFERENCE

Related data on other Healthparse brands

ProviderScore

OIG/SAM exclusion screening, sanctions history

Healthparse Signals

Monitor this provider for changes — dated NPI change events