DR. JOANNA MARIE DAVIES (M.D.) – Rheumatology Physician, NPI 1699746958

DR. JOANNA MARIE DAVIES (M.D.) is a healthcare provider. based in Los angeles, California. specializing in Rheumatology Physician. They hold the professional credentials M.D.. They hold a License No. G51148 (CA). The NPI Number for DR. JOANNA MARIE DAVIES (M.D.) is 1699746958

Main info

Female
44 Years Of Experience
Accepts Medicare Assignment
Name
DR. JOANNA MARIE DAVIES (M.D.)
NPI
1699746958
Phone
(213) 977-1144
Address
1136 W 6TH ST
Enumeration Date
26 January 2006
Last Update Date
8 July 2007

Doctor Profile

Medical School Name
OTHER
Secondary Phone
2139771144
Graduation Year
1982 (44 years ago)
PAC ID
2163503608
Group Practice PAC ID
2163486648
Professional Enrollment ID
I20101115001177
Data current as of
19 May 2026

Profile Insights

NPPES metrics only — not quality of care.

Methodology
Experience54
Completeness75
Years active:20State licenses:1Digital endpointsOther names

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Provider Addresses for DR. JOANNA MARIE DAVIES (M.D.)

  • 1136, West 6th Street, Downtown, Los Angeles, Los Angeles County, California, 90017, United States

    #307

    LOS ANGELES, CA 900171805

    Phone: (213) 977-1144

    Fax: (213) 482-2182

    Mailing address matches the actual address.

NPPES updates history

No NPPES updates recorded for this provider.

Prescription Activity

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Open Payments (CMS)

CMS reports 58 Open Payments records for all available years, with a total value of $962.

Total Amount is formed as General ($962) + Research ($0) + Ownership ($0) = $962.

Last reported payment date: 2024-11-20 • Largest payer in this snapshot: Novo Nordisk Inc ($318).

Total Amount

$962

General + Research + Ownership

Payments

58

Total payment records

General Amount

$962

General payments

Research Amount

$0

Research funding

Ownership Amount

$0

Ownership interests

Ownership Count

0

Ownership records

Last Payment Date

2024-11-20

Latest reported date

Top Companies

Largest payers in this snapshot

View all Open Payments →|Open Payments Risk Radar →

Medicare Enrollment & Revalidation

Source: CMS public data · Not endorsed by CMS ·

Educational use only—not medical, billing, or legal advice.

PECOS enrollment status

Participating (accepts Medicare assignment)

Enrollment effective: 2010-11-15

PECOS data refreshed: 2026-05-27

Medicare revalidation (CMS due date list)

Due date not assigned yet

CMS is tracking this Medicare enrollment for revalidation, but has not published a due date.

Enrollment records

1

Earliest due date

Not assigned (TBD)

CMS data updated

2026-06-01

Revalidation progress

  1. Medicare enrolled
  2. On CMS revalidation list
  3. Due date assigned
  4. Revalidate in PECOS

CMS enrollment records

Enrollment IDTypeSpecialtyStateDue date
I20101115001177IInternal MedicineCATBD

What to do next

  • No action required while the due date shows TBD.
  • Check the CMS Revalidation Lookup Tool periodically — CMS updates the list about every 60 days.
  • Do not submit a revalidation application in PECOS until CMS publishes a concrete due date.

Verify on CMS Revalidation Lookup Tool

Prepare CMS-855 application → · Look up this NPI in PECOS → · Verify on CMS PECOS

Medicare Utilization (FFS)

Source: CMS public data · Not endorsed by CMS · Beneficiary counts under 11 are suppressed in source data ·

Educational use only—not medical, billing, or legal advice.

Top Medicare procedures (2023) · refreshed 2026-05-27

HCPCSDescriptionServicesBeneficiariesMedicare allowed
99214Established patient office or other outpatient visit, 30-39 minutes137107$0
36415Insertion of needle into vein for collection of blood sample9377$0
85025Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count7767$0
84443Blood test, thyroid stimulating hormone (tsh)6459$0
85651Red blood cell sedimentation rate, to detect inflammation, non-automated6458$0
View full utilization report →

Insurance plans in this area (ZIP 90017)

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Provider's Procedures

DR. JOANNA MARIE DAVIES (M.D.) performs procedures in Rheumatology Physician. See the list of HCPCS codes below.
SpecialtyPractice State
HCPCS Code
Description
Service Count
Beneficiary Count
INTERNAL MEDICINECA82270Stool analysis for blood to screen for colon tumors2020
INTERNAL MEDICINECA90670Pneumococcal vaccine for injection into muscle125125
INTERNAL MEDICINECA93922Ultrasound study of arteries of both arms and legs156156

Group practice members

Group practice members are other physicians who share the same Group Practice PAC ID with this doctor. When doctors form a group practice and register in PECOS as a single entity, they receive a shared identification number. This table lists all providers in the same group practice.
PAC ID: 2163486648View full group profile
NameSpecialtyState
Endocrinology, Internal MedicineCA
Internal Medicine, EndocrinologyCA
Endocrinology, Internal MedicineCA
-CA

Reviews

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Frequently asked questions

How do payers reference DR. JOANNA MARIE DAVIES (M.D.)?
For DR. JOANNA MARIE DAVIES (M.D.), use NPI 1699746958 as the unique 10-digit identifier.
Would DR. JOANNA MARIE DAVIES (M.D.) appear as active to a payer?
You can treat DR. JOANNA MARIE DAVIES (M.D.) as active for directory purposes; confirm clinical privileges separately.
What kind of doctor is DR. JOANNA MARIE DAVIES (M.D.)?
DR. JOANNA MARIE DAVIES (M.D.) is associated with Rheumatology Physician in the directory — Clinical services aligned with this taxonomy classification.
What practice footprint exists for DR. JOANNA MARIE DAVIES (M.D.)?
Travel planning: use Los Angeles, California as the reference point for DR. JOANNA MARIE DAVIES (M.D.), then confirm.
When was this NPI issued?
Enumeration for DR. JOANNA MARIE DAVIES (M.D.) is noted as January 26, 2006 where the registry provides it.

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