GREGORY MARK ENNS M.D.
NPI 1508961897
Medical Genetics - Medical Biochemical Genetics in Palo Alto, CA

Q: What is Gregory Enns's NPI number?

The NPI number for Gregory Enns is 1508961897. It was assigned to this individual provider in the NPPES registry on September 13, 2006.

Q: What is Gregory Enns's specialty?

The primary specialty registered for this NPI is Medical Genetics, specializing in Medical Biochemical Genetics, with taxonomy code 207SG0207X.

Q: When was this NPI record last updated?

The NPPES record for Gregory Enns was last updated on April 9, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.

Active since September 13, 2006PECOS EnrolledAccepts Medicare Assignment

85.78/100

CMS Quality Rating

725 WELCH RD, PALO ALTO, CA 94304(650) 497-8000 Get Directions Write a Review

NPPES record last updated: April 9, 2024. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Apr 9, 2024, Mar 7, 2023 (2 updates tracked since 2023).

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About Gregory Mark Enns M.d. NPPES

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

GREGORY MARK ENNS M.D. (NPI 1508961897) is an individual medical biochemical genetics provider in Palo Alto, California, licensed in California (A52095) and active in the NPI registry since September 2006. He is enrolled in Medicare PECOS, maintains a secondary practice location in Palo Alto, and is a graduate of Other (1990).

NPPES Registry Identity

NPI1508961897

Entity TypeIndividualMale

Primary Taxonomy207SG0207X

Provider Legal NameGREGORY MARK ENNSCredential: M.D.

Location Address725 WELCH RDPalo Alto, CA 94304-1601

Mailing Address725 Welch RdPalo Alto, CA 94304-1601 · (650) 497-8000

Phone(650) 497-8000

Sole ProprietorNo

Medical School CMSOtherGraduated 1990

Enumeration DateSeptember 13, 2006

Last NPPES UpdateApril 9, 20242 updates tracked since enumeration

NPPES CertifiedApril 9, 2024

✔ NPI 1508961897 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

★ Primary SpecialtyMedical Genetics · Medical Biochemical GeneticsAllopathic & Osteopathic Physicians

Taxonomy Code207SG0207X

License✔ Licensed in CA · A52095

Definition

A medical biochemical geneticist specializes in the diagnosis, evaluation, prevention, and treatment of patients with biochemical genetic disorders, defined as inborn errors of metabolism at any age of onset. Training does not include those skills and knowledge necessary to direct a clinical laboratory.

Also ListedMedical Genetics · Clinical Genetics (M.D.)Taxonomy 207SG0201X · License A52095 (CA), MD-12592 (HI)

Also ListedMedical Genetics · Clinical Biochemical GeneticsTaxonomy 207SG0202X · License A52095 (CA)

725 WELCH RD, Palo Alto, CA 94304

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Secondary Practice Location 1

Location 1300 Pasteur Dr, H315Palo Alto, CA 94305-5208 · Phone (650) 723-6858 · Fax (650) 498-4555

Other Identifiers 2

OtherA52095CA · Medical License

OtherMD-12592HI · Medical License

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include HMSA.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Gregory Mark Enns M.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID446147490

PECOS Enrollment IDI20040304000732, I20050721000542

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.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 94304 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

$206.04 typical visit price

range $70.37 – $206.04

Typical copayment $51.51 (range $17.59 – $51.51)

Most-billed visit code 99205

Established Patient

$169.60 typical visit price

range $23.96 – $169.60

Typical copayment $42.40 (range $5.99 – $42.40)

Most-billed visit code 99215

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.

85.78/100

MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program

Scored as part of a group practice

Quality

82.96

Promoting Interoperability

100

Improvement Activities

Cost

69.65

Other Providers at the Same Location NPPES 20

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

EIRI INENAGA MS, OTR/L

Occupational Therapist (Pediatrics)