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MARILYN ANN MEHLMAUER MD
NPI 1831389964
Dermatology - Dermatopathology in Pasadena, CA

Active since July 25, 2007PECOS Enrolled
10 CONGRESS ST STE 320, PASADENA, CA 91105(626) 585-9474(626) 585-9480 Get Directions Write a Review

NPPES record last updated: June 16, 2011. Verified against the NPPES registry weekly; last sync: November 08, 2026.

About Marilyn Ann Mehlmauer Md NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

MARILYN ANN MEHLMAUER MD (NPI 1831389964) is an individual dermatopathology provider in Pasadena, California, licensed in California (G035270) and active in the NPI registry since July 2007. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1831389964
Entity TypeIndividualFemale
Primary Taxonomy207ND0900X
Provider Legal NameMARILYN ANN MEHLMAUERCredential: MD
Location Address10 CONGRESS ST STE 320Pasadena, CA 91105-3023
Mailing Address10 Congress St Ste 320Pasadena, CA 91105-3023 · (626) 585-9474 · Fax (626) 585-9480
Phone(626) 585-9474
Fax(626) 585-9480
Sole ProprietorNo
Enumeration DateJuly 25, 2007
Last NPPES UpdateJune 16, 2011
✔ NPI 1831389964 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyDermatology · DermatopathologyAllopathic & Osteopathic Physicians
Taxonomy Code207ND0900X
License✔ Licensed in CA · G035270
Definition
A dermatopathologist has the expertise to diagnose and monitor diseases of the skin including infectious, immunologic, degenerative and neoplastic diseases. This entails the examination and interpretation of specially prepared tissue sections, cellular scrapings and smears of skin lesions by means of routine and special (electron and fluorescent) microscopes.
Also ListedDermatology · Procedural DermatologyTaxonomy 207NS0135X · License G035270 (CA)
10 CONGRESS ST STE 320, Pasadena, CA 91105
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Other Identifiers 1

Medicare UPINA46288CA

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Marilyn Ann Mehlmauer Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignment

Medicare enrollment records show Marilyn Mehlmauer reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Csi Medical Group
29 mi
MOHS-Micrographic Surgery
1360 W 6TH ST STE 370
San Pedro, CA 90732
  • Reassigned Medicare billing, California enrollment
  • 179 clinicians in this Medicare group
NPI 1871909804 (310) 519-8890

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 91105 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$96.36 typical visit price
range $62.96 – $187.60
Typical copayment $24.09 (range $15.74 – $46.90)
Most-billed visit code 99203
Established Patient
$77.96 typical visit price
range $20.84 – $153.61
Typical copayment $19.49 (range $5.21 – $38.40)
Most-billed visit code 99213
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

Reported Quality Measures

e-Prescribing
At least one permissible prescription written by the MIPS eligible clinician is queried for a drug formulary and transmitted electronically using certified EHR technology.
72%843 patients2/55-star benchmark: 100%
Medication Reconciliation
The MIPS eligible clinician performs medication reconciliation for at least one transition of care in which the patient is transitioned into the care of the MIPS eligible clinician.
100%1,835 patients5/55-star benchmark: 100%
Patient-Specific Education
The MIPS eligible clinician must use clinically relevant information from certified EHR technology to identify patient-specific educational resources and provide electronic access to those materials to at least one unique patient seen by the MIPS eligible…
40%528 patients2/55-star benchmark: 100%
Pneumococcal Vaccination Status for Older Adults
Percentage of patients 65 years of age and older who have ever received a pneumococcal vaccine
39%334 patients2/55-star benchmark: 100%
Provide Patient Access
For at least one unique patient seen by the MIPS eligible clinician: (1) The patient (or the patient authorized representative) is provided timely access to view online, download, and transmit his or her health information; and (2) The MIPS eligible clinician…
63%536 patients3/55-star benchmark: 100%
Secure Messaging
For at least one unique patient seen by the MIPS eligible clinician during the performance period, a secure message was sent using the electronic messaging function of certified EHR technology to the patient (or the patient-authorized representative), or in…
0%536 patients1/55-star benchmark: 75%
View, Download and Transmit (VDT)
During the performance period, at least one unique patient (or patient-authorized representatives) seen by the MIPS eligible clinician actively engages with the EHR made accessible by the MIPS eligible clinician.
0%536 patients
Providers report different measures because they deliver different services; reporting more or less information is not a reflection of quality. Star ratings appear only where CMS assigned them.

Other Providers at the Same Location NPPES

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

MR. ERIC DRO HAIRABEDIAN PHYSICIAN ASSISTANT
Physician Assistant
10 CONGRESS ST STE 320
PASADENA, CA 91105
Los Angeles County (626) 486-0334

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Marilyn Mehlmauer's NPI number?

The NPI number for Marilyn Mehlmauer is 1831389964. It was assigned to this individual provider in the NPPES registry on July 25, 2007.

Where is Marilyn Mehlmauer located?

Marilyn Mehlmauer practices at 10 Congress St Ste 320, Pasadena, CA 91105. The listed phone number is (626) 585-9474.

What is Marilyn Mehlmauer's specialty?

The primary specialty registered for this NPI is Dermatology, specializing in Dermatopathology, with taxonomy code 207ND0900X.

Is Marilyn Mehlmauer enrolled in Medicare?

Yes. Marilyn Mehlmauer is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Marilyn Mehlmauer's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Marilyn Mehlmauer reassigns Medicare benefits to Csi Medical Group (San Pedro, CA). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Marilyn Mehlmauer's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Marilyn Mehlmauer was last updated on June 16, 2011. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 15 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.